# Fluorine anion

**Formula:**F^{-}**Molecular weight:**18.9989518-
**IUPAC Standard InChIKey:**KRHYYFGTRYWZRS-UHFFFAOYSA-M **CAS Registry Number:**16984-48-8**Chemical structure:**

This structure is also available as a 2d Mol file-
**Permanent link**for this species. Use this link for bookmarking this species for future reference. **Information on this page:****Other data available:**- Reaction thermochemistry data: reactions 51 to 100, reactions 101 to 150, reactions 151 to 200, reactions 201 to 235

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## Gas phase thermochemistry data

**Go To:** Top, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, References, Notes

**
Data compilation copyright
by the U.S. Secretary of Commerce on behalf of the U.S.A.
All rights reserved.
**

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

S°_{gas,1 bar} | 34.794 | cal/mol*K | Review | Chase, 1998 | Data last reviewed in June, 1982 |

## Reaction thermochemistry data

**Go To:** Top, Gas phase thermochemistry data, Gas phase ion energetics data, Ion clustering data, References, Notes

**
Data compilation copyright
by the U.S. Secretary of Commerce on behalf of the U.S.A.
All rights reserved.
**

**Data compiled as indicated in comments:**

*B* - John E. Bartmess

*M* - Michael M. Meot-Ner (Mautner) and Sharon G. Lias

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### Reactions 1 to 50

By formula: F^{-} + BF_{3} = (F^{-} BF_{3})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 82. ± 20. | kcal/mol | AVG | N/A | Average of 6 values; Individual data points |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 63.6 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

By formula: F^{-} + H^{+} = HF

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 372. ± 1. | kcal/mol | AVG | N/A | Average of 6 out of 7 values; Individual data points |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 365.67 ± 0.18 | kcal/mol | H-TS | Blondel, Delsart, et al., 2001 | gas phase; Given: 3.4011895(25) eV, or 27432.446(19) cm-1, or 78.433266(577) kcal/mol; B |

_{r}G° | 365.53 | kcal/mol | H-TS | Martin and Hepburn, 2000 | gas phase; Given: 371.334±0.003 kcal/mol (corr to 298K with data from Wagman, Evans, et al., 1982).H(0K)=370.422±0.003; B |

_{r}G° | 365.67 ± 0.18 | kcal/mol | H-TS | Blondel, Cacciani, et al., 1989 | gas phase; Reported: 3.401190±0.000004 eV. acidity includes 0.9 kcal 0 to 298 K correction.; B |

_{r}G° | 365.5 ± 2.0 | kcal/mol | IMRE | Bierbaum, Schmidt, et al., 1981 | gas phase; B |

_{r}G° | 359.40 | kcal/mol | N/A | Check, Faust, et al., 2001 | gas phase; FeCl3-; ; «DELTA»S(EA)=5.0; B |

By formula: F^{-} + O_{2}S = (F^{-} O_{2}S)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 53.8 ± 2.2 | kcal/mol | CIDT | Lobring, Check, et al., 2003 | gas phase; B |

_{r}H° | 53.0 ± 2.5 | kcal/mol | CIDT | Squires, 1992 | gas phase; B |

_{r}H° | 43.8 | kcal/mol | ICR | Larson and McMahon, 1985 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

_{r}H° | 43.8 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

_{r}H° | 59. | kcal/mol | SAMS | Robbiani and Franklin, 1979 | gas phase; Cl- + CO2ClF --> SO2F- + Cl2, «DELTA»_{r}H>; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 24. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

_{r}S° | 23.0 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 36.6 | kcal/mol | ICR | Larson and McMahon, 1985 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

_{r}G° | 36.9 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + F_{2}OS = (F^{-} F_{2}OS)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 35.8 | kcal/mol | ICR | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

_{r}H° | 37.4 | kcal/mol | ICR | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

_{r}H° | 37.4 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 24.2 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 30.2 | kcal/mol | ICR | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

_{r}G° | 30.2 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

### Free energy of reaction

_{r}G° (kcal/mol) |
T (K) | Method | Reference | Comment |
---|---|---|---|---|

27.6 | 2988. | ICR | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

By formula: F^{-} + F_{3}P = (F^{-} F_{3}P)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 40.2 | kcal/mol | ICR | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

_{r}H° | 40.2 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

_{r}H° | 50.0 ± 5.0 | kcal/mol | IMRB | Sullivan and Beauchamp, 1978 | gas phase; Fluoride Affinity: < OPF_{3}, > F, SF_{4}, Me_{3}SiF, HCN, SO_{2}; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 25. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

_{r}S° | 25.5 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 32.6 | kcal/mol | ICR | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

_{r}G° | 32.6 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + HF = (F^{-} HF)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 45.8 ± 1.6 | kcal/mol | CIDC | Wenthold and Squires, 1995 | gas phase; B |

_{r}H° | 38.6 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

_{r}H° | >34.6 ± 4.6 | kcal/mol | Ther | Heni and Illenberger, 1985 | gas phase; From CHF=CHF. Outdataed HC2. thermo used. Current value ( Berkowitz, Ellison, et al., 1994) implies Haff>57.; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 21.9 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 32.0 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

### Free energy of reaction

_{r}G° (kcal/mol) |
T (K) | Method | Reference | Comment |
---|---|---|---|---|

32.0 | 289. | ICR | Larson and McMahon, 1983 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

By formula: F^{-} + AlF_{3} = (F^{-} AlF_{3})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 120. ± 20. | kcal/mol | AVG | N/A | Average of 7 values; Individual data points |

By formula: F^{-} + F_{4}U = (F^{-} F_{4}U)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 101. ± 6. | kcal/mol | AVG | N/A | Average of 6 values; Individual data points |

By formula: F^{-} + F_{5}P = (F^{-} F_{5}P)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 78.6 ± 3.3 | kcal/mol | TDAs | Aleshina, Borshchevskii, et al., 1996 | gas phase; The discrepancy with Larson and McMahon, 1985 is discussed but not resolved.; value altered from reference due to conversion from electron convention to ion convention; B |

_{r}H° | 85. ± 10. | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

_{r}H° | 101.0 ± 8.0 | kcal/mol | Ther | Mallouk, Rosenthal, et al., 1984 | gas phase; Fluoride affinities from this method appear to be consistently about 10 kcal/mol too bound; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 74. ± 10. | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

By formula: F^{-} + CF_{2}O = (F^{-} CF_{2}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 42.6 | kcal/mol | ICR | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

_{r}H° | 42.6 | kcal/mol | ICR | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 29. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

_{r}S° | 29.0 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 34.0 | kcal/mol | ICR | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

_{r}G° | 34.0 | kcal/mol | ICR | Larson and McMahon, 1984 | gas phase; switching reaction(F-)PF3; M |

_{r}G° | 34.0 | kcal/mol | ICR | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

By formula: F^{-} + F_{3}OP = (F^{-} F_{3}OP)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 47.9 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

_{r}H° | 48.0 ± 9.0 | kcal/mol | IMRB | Rhyne and Dillard, 1971 | gas phase; Fluoride Affinity: SF_{4}>F_{3}PO>SF_{5}. Orignal value 32±10, now reval. with new affinities; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 26. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 40.1 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + F_{4}S = (F^{-} F_{4}S)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 43.8 | kcal/mol | ICR | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

_{r}H° | 43.8 | kcal/mol | ICR | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 25. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

_{r}S° | 25.6 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 36.2 | kcal/mol | ICR | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

_{r}G° | 36.2 | kcal/mol | ICR | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

By formula: F^{-} + F_{4}Si = (F^{-} F_{4}Si)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | >29.10 ± 0.50 | kcal/mol | N/A | Kawamata, Neigishi, et al., 1996 | gas phase; B |

_{r}H° | 68.0 ± 5.0 | kcal/mol | IMRB | Murphy and Beauchamp, 1977 | gas phase; Fluoride Affinity: <BF_{3}, >iPr2BF; B |

_{r}H° | 60.0 ± 4.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 54.1 ± 4.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

_{r}G° | 51. | kcal/mol | ICR | Larson and McMahon, 1984 | gas phase; switching reaction(F-)H2O, DG+-2. kcal/mol; 70 ARS/YAM; M |

By formula: (F^{-} 4294967295F_{4}S) + F_{4}S = F^{-}

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 54.9 ± 2.3 | kcal/mol | CIDT | Lobring, Check, et al., 2003, 2 | gas phase; B |

_{r}H° | 54.1 ± 6.5 | kcal/mol | Ther | Leffert, Tang, et al., 1974 | gas phase; From SF_{6}; B |

_{r}H° | >40.5 ± 3.4 | kcal/mol | IMRB | Babcock and Streit, 1981 | gas phase; Fluoride Affinity: SF_{4} > SF_{5}; B |

_{r}H° | 43.8 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 36.2 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

+ C_{3}F_{6}O = ( C_{3}F_{6}O)

By formula: F^{-} + C_{3}F_{6}O = (F^{-} C_{3}F_{6}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 47.2 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 28. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 38.8 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

_{r}G° | 38.8 | kcal/mol | ICR | Larson and McMahon, 1984 | gas phase; switching reaction(F-)CF3COF; M |

By formula: F^{-} + C_{3}H_{9}B = (F^{-} C_{3}H_{9}B)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 58.50 | kcal/mol | IMRB | Murphy and Beauchamp, 1977, 2 | gas phase; MeSiF_{3}>Me_{3}B>SF_{4}; B |

_{r}H° | 47.2 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 25. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 39.7 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + C_{6}H_{15}B = (F^{-} C_{6}H_{15}B)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 62.00 | kcal/mol | IMRB | Murphy and Beauchamp, 1977, 2 | gas phase; iPr_{3}B>Et_{3}B>MeSiF_{3}; B |

_{r}H° | 51.0 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 25. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 43.5 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + C_{3}H_{9}FSi = (F^{-} C_{3}H_{9}FSi)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 38.2 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

_{r}H° | <54. ± 10. | kcal/mol | IMRB | Murphy and Beauchamp, 1977 | gas phase; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 22. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 31.6 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + C_{2}H_{2}F_{4}O = (F^{-} C_{2}H_{2}F_{4}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 36.0 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 27.2 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 28.3 | kcal/mol | ICR | Larson and McMahon, 1984 | gas phase; switching reaction(F-)SO2F2; M |

_{r}G° | 27.9 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + CH_{3}F_{3}Si = (F^{-} CH_{3}F_{3}Si)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 61.5 ± 5.0 | kcal/mol | IMRB | Murphy and Beauchamp, 1977 | gas phase; B |

_{r}H° | 50.5 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 25. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 43.0 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + F_{2}O_{2}S = (F^{-} F_{2}O_{2}S)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 35.8 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

_{r}H° | 30.0 ± 6.0 | kcal/mol | Ther | Galembeck, Faigle, et al., 1978 | gas phase; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 27.5 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 27.6 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + H_{2}S = (F^{-} H_{2}S)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 34.6 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 18.8 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 29.0 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + AsF_{3} = (F^{-} AsF_{3})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 48.2 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 24. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 41.0 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

+ C_{2}F_{4}O = ( C_{2}F_{4}O)

By formula: F^{-} + C_{2}F_{4}O = (F^{-} C_{2}F_{4}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 45.6 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 28. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 37.2 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

+ C_{2}F_{2}O_{2} = ( C_{2}F_{2}O_{2})

By formula: F^{-} + C_{2}F_{2}O_{2} = (F^{-} C_{2}F_{2}O_{2})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 45.7 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 29. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 37.0 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + C_{3}F_{6}O = (F^{-} C_{3}F_{6}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 49.7 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 27. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 41.6 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

+ C_{3}F_{5}N = ( C_{3}F_{5}N)

By formula: F^{-} + C_{3}F_{5}N = (F^{-} C_{3}F_{5}N)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 30.1 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |

_{r}H° | 30.3 | kcal/mol | ICR | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 24. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

_{r}S° | 22.8 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 23.3 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |

_{r}G° | 23.1 | kcal/mol | ICR | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

By formula: F^{-} + C_{6}H_{6}O = (F^{-} C_{6}H_{6}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 41.3 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 26.3 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 33.5 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + C_{2}H_{5}FO = (F^{-} C_{2}H_{5}FO)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 34.8 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 26.3 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 27.0 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + CH_{2}O_{2} = (F^{-} CH_{2}O_{2})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 45.3 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 24.2 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 38.1 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + C_{2}H_{4}O_{2} = (F^{-} C_{2}H_{4}O_{2})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 44.1 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 25.6 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 36.5 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + CHN = (F^{-} CHN)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 39.5 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 22.2 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 32.9 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + CH_{4}S = (F^{-} CH_{4}S)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 34.2 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 23.2 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 27.3 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + C_{2}H_{3}F_{3}O = (F^{-} C_{2}H_{3}F_{3}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 39.1 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 26.8 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 31.1 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + F_{3}Sc = (F^{-} F_{3}Sc)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 113.3 ± 3.6 | kcal/mol | TDAs | Boltalina, Borshchevskii, et al., 1992 | gas phase; Critical review; value altered from reference due to conversion from electron convention to ion convention; B |

_{r}H° | 112.3 ± 2.4 | kcal/mol | TDEq | Nikitin, Igolkina, et al., 1986 | gas phase; Reanalyzed literature data, 4.3 kcal < AlF_{3}; B |

_{r}H° | 116.5 ± 2.3 | kcal/mol | TDEq | Nikitin, Sidorov, et al., 1981 | gas phase; Fluoride Affinity: 4.1 kcal < AlF_{3}; value altered from reference due to conversion from electron convention to ion convention; B |

_{r}H° | 118.2 ± 2.5 | kcal/mol | TDEq | Skokan, Nikitin, et al., 1981 | gas phase; Fluoride Affinity: 2.5 kcal < AlF_{3}.; value altered from reference due to conversion from electron convention to ion convention; B |

_{r}H° | 112. | kcal/mol | MS | Pyatenko, Gusarov, et al., 1981 | gas phase; Knudsen cell; M |

By formula: (F^{-} H_{2}O) + H_{2}O = (F^{-} 2H_{2}O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 19.20 ± 0.50 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; Stated electron affinity is the Vertical Detachment Energy; B,M |

_{r}H° | 16.6 ± 1.0 | kcal/mol | TDAs | Payzant, Yamdagni, et al., 1971 | gas phase; B |

_{r}H° | 16.6 ± 1.0 | kcal/mol | TDAs | Arshadi, Yamdagni, et al., 1970 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 22.2 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1988 | gas phase; M |

_{r}S° | 18.7 | cal/mol*K | HPMS | Arshadi, Yamdagni, et al., 1970 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 12.5 ± 1.6 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; Stated electron affinity is the Vertical Detachment Energy; B |

_{r}G° | 11.0 ± 1.4 | kcal/mol | TDAs | Payzant, Yamdagni, et al., 1971 | gas phase; B |

_{r}G° | 11.00 | kcal/mol | TDAs | Arshadi, Yamdagni, et al., 1970 | gas phase; B |

+ C_{4}H_{10}BF = ( C_{4}H_{10}BF)

By formula: F^{-} + C_{4}H_{10}BF = (F^{-} C_{4}H_{10}BF)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 64.00 | kcal/mol | IMRB | Murphy and Beauchamp, 1977, 2 | gas phase; Fluoride Affinity: iPr_{3}B > Et_{2}BF > Et_{3}B; B |

_{r}H° | 58.0 ± 5.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 51.5 ± 5.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

By formula: F^{-} + CO_{2} = (F^{-} CO_{2})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 32.07 | kcal/mol | N/A | Arnold, Bradforth, et al., 1995 | gas phase; B |

_{r}H° | 32.3 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |

_{r}H° | 31.7 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; B,M |

_{r}H° | 33.0 ± 3.0 | kcal/mol | IMRE | McMahon and Northcott, 1978 | gas phase; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 26.7 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |

_{r}S° | 24. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 24.3 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |

_{r}G° | 24.5 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; B,M |

_{r}G° | 11.6 | kcal/mol | FA | Spears and Ferguson, 1973 | gas phase; DG>; M |

By formula: F^{-} + F_{4}OS = (F^{-} F_{4}OS)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 58.0 ± 3.0 | kcal/mol | IMRE | Larson and McMahon, 1987 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

_{r}H° | 68. ± 10. | kcal/mol | IMRB | Arnold, Miller, et al., 2002 | gas phase; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 52.7 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1987 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

By formula: (F^{-} 2H_{2}O) + H_{2}O = (F^{-} 3H_{2}O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 15.30 ± 0.40 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B,M |

_{r}H° | 13.7 ± 1.0 | kcal/mol | TDAs | Payzant, Yamdagni, et al., 1971 | gas phase; B |

_{r}H° | 13.7 ± 1.0 | kcal/mol | TDAs | Arshadi, Yamdagni, et al., 1970 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 22.9 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1988 | gas phase; M |

_{r}S° | 20.4 | cal/mol*K | HPMS | Arshadi, Yamdagni, et al., 1970 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 8.4 ± 1.3 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B |

_{r}G° | 7.6 ± 1.4 | kcal/mol | TDAs | Payzant, Yamdagni, et al., 1971 | gas phase; B |

_{r}G° | 7.60 | kcal/mol | TDAs | Arshadi, Yamdagni, et al., 1970 | gas phase; B |

By formula: F^{-} + AsFS^{-} = (F^{-} AsFS^{-})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 56.0 ± 6.0 | kcal/mol | IMRB | Larson and McMahon, 1987 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 47.5 ± 6.0 | kcal/mol | IMRB | Larson and McMahon, 1987 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

By formula: F^{-} + AsFO = (F^{-} AsFO)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 54.0 ± 7.0 | kcal/mol | IMRB | Larson and McMahon, 1987 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 48.0 ± 7.0 | kcal/mol | IMRB | Larson and McMahon, 1987 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

By formula: F^{-} + OS_{2} = (F^{-} OS_{2})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 44.0 ± 3.0 | kcal/mol | IMRB | Larson and McMahon, 1987 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 37.0 ± 3.0 | kcal/mol | IMRB | Larson and McMahon, 1987 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

+ C_{4}H_{4}F_{6}O = ( C_{4}H_{4}F_{6}O)

By formula: F^{-} + C_{4}H_{4}F_{6}O = (F^{-} C_{4}H_{4}F_{6}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 46.0 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 37.9 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

By formula: F^{-} + C_{4}HF_{9}O = (F^{-} C_{4}HF_{9}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 56.3 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 47.9 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

By formula: F^{-} + C_{3}H_{9}BO_{3} = (F^{-} C_{3}H_{9}BO_{3})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 42.0 ± 4.0 | kcal/mol | IMRB | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 34.0 ± 3.0 | kcal/mol | IMRB | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

By formula: F^{-} + C_{6}H_{15}BO_{3} = (F^{-} C_{6}H_{15}BO_{3})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 44.0 ± 3.0 | kcal/mol | IMRB | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 36.6 ± 2.0 | kcal/mol | IMRB | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

By formula: F^{-} + C_{2}H_{6}BFO_{2} = (F^{-} C_{2}H_{6}BFO_{2})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 52.0 ± 5.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 45.4 ± 5.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

By formula: F^{-} + C_{3}H_{2}F_{6}O = (F^{-} C_{3}H_{2}F_{6}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 47.0 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 38.9 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

+ FPS = F_{2}PS^{-}

By formula: F^{-} + FPS = F_{2}PS^{-}

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 62.0 ± 5.0 | kcal/mol | IMRB | Larson and McMahon, 1987 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 56.0 ± 4.0 | kcal/mol | IMRB | Larson and McMahon, 1987 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

## Gas phase ion energetics data

**Go To:** Top, Gas phase thermochemistry data, Reaction thermochemistry data, Ion clustering data, References, Notes

**
Data compilation copyright
by the U.S. Secretary of Commerce on behalf of the U.S.A.
All rights reserved.
**

**Data compiled by:** John E. Bartmess

### Protonation reactions

By formula: F^{-} + H^{+} = HF

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 372. ± 1. | kcal/mol | AVG | N/A | Average of 6 out of 7 values; Individual data points |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 365.67 ± 0.18 | kcal/mol | H-TS | Blondel, Delsart, et al., 2001 | gas phase; Given: 3.4011895(25) eV, or 27432.446(19) cm-1, or 78.433266(577) kcal/mol |

_{r}G° | 365.53 | kcal/mol | H-TS | Martin and Hepburn, 2000 | gas phase; Given: 371.334±0.003 kcal/mol (corr to 298K with data from Wagman, Evans, et al., 1982).H(0K)=370.422±0.003 |

_{r}G° | 365.67 ± 0.18 | kcal/mol | H-TS | Blondel, Cacciani, et al., 1989 | gas phase; Reported: 3.401190±0.000004 eV. acidity includes 0.9 kcal 0 to 298 K correction. |

_{r}G° | 365.5 ± 2.0 | kcal/mol | IMRE | Bierbaum, Schmidt, et al., 1981 | gas phase |

_{r}G° | 359.40 | kcal/mol | N/A | Check, Faust, et al., 2001 | gas phase; FeCl3-; ; «DELTA»S(EA)=5.0 |

## Ion clustering data

**Go To:** Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, References, Notes

**Data compiled as indicated in comments:**

*B* - John E. Bartmess

*M* - Michael M. Meot-Ner (Mautner) and Sharon G. Lias

**Note:** Please consider using the
reaction search for this species. This page allows searching
of all reactions involving this species. Searches may be limited
to ion clustering reactions. A general reaction search form is
also available.

### Clustering reactions

By formula: F^{-} = H_{2}AlF_{2}^{-}

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 97.5 ± 4.0 | kcal/mol | CIDT | Williams and Wenthold, 2011 | gas phase; B |

By formula: F^{-} = H_{3}AlF^{-}

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 93. ± 50. | kcal/mol | N/A | Williams and Wenthold, 2011 | gas phase; B |

By formula: F^{-} + AlClF_{2} = (F^{-} AlClF_{2})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 117.4 ± 2.9 | kcal/mol | TDAs | Pervova, Korobov, et al., 1992 | gas phase; Thermo at 0K, experiments at 800-1100 K; value altered from reference due to conversion from electron convention to ion convention; B |

By formula: F^{-} + AlCl_{2}F = (F^{-} AlCl_{2}F)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 119.3 ± 2.9 | kcal/mol | TDAs | Pervova, Korobov, et al., 1992 | gas phase; Thermo at 0K, experiments at 800-1100 K; value altered from reference due to conversion from electron convention to ion convention; B |

By formula: F^{-} + AlCl_{3} = (F^{-} AlCl_{3})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 120.9 ± 3.0 | kcal/mol | TDAs | Pervova, Korobov, et al., 1992 | gas phase; Thermo at 0K, experiments at 800-1100 K; value altered from reference due to conversion from electron convention to ion convention; B |

By formula: F^{-} + AlF_{3} = (F^{-} AlF_{3})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 120. ± 20. | kcal/mol | AVG | N/A | Average of 7 values; Individual data points |

By formula: (F^{-} AlF_{3}) + AlF_{3} = (F^{-} 2AlF_{3})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 56. | kcal/mol | MS | Pyatenko, Gusarov, et al., 1981 | gas phase; Knudsen cell; M |

_{r}H° | 48.8 | kcal/mol | MS | Nikitin, Skokan, et al., 1979 | gas phase; Knudsen cell; M |

+ = ArF^{-}

By formula: F^{-} + Ar = ArF^{-}

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 2.00 | kcal/mol | TDAs | Wada, Kikkawa, et al., 2007 | gas phase; Entropy estimated; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | -3.96 | kcal/mol | TDAs | Wada, Kikkawa, et al., 2007 | gas phase; Entropy estimated; B |

By formula: F^{-} + AsFO = (F^{-} AsFO)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 54.0 ± 7.0 | kcal/mol | IMRB | Larson and McMahon, 1987 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 48.0 ± 7.0 | kcal/mol | IMRB | Larson and McMahon, 1987 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

By formula: F^{-} + AsFS^{-} = (F^{-} AsFS^{-})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 56.0 ± 6.0 | kcal/mol | IMRB | Larson and McMahon, 1987 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 47.5 ± 6.0 | kcal/mol | IMRB | Larson and McMahon, 1987 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

By formula: F^{-} + AsF_{3} = (F^{-} AsF_{3})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 48.2 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 24. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 41.0 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + AsF_{5} = (F^{-} AsF_{5})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | >85. ± 10. | kcal/mol | N/A | Haartz and McDaniel, 1973 | gas phase; Greater than BCl3; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | >74. ± 10. | kcal/mol | IMRB | Haartz and McDaniel, 1973 | gas phase; Greater than BCl3; B |

By formula: F^{-} + AuF_{3} = (F^{-} AuF_{3})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 101.8 ± 6.0 | kcal/mol | TDEq | Chilingarov, Korobov, et al., 1986 | gas phase; Fluoride Affinity: 1.2±5.0 kcal/mol > MnF3; value altered from reference due to conversion from electron convention to ion convention; B |

By formula: F^{-} + BCl_{3} = (F^{-} BCl_{3})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | >85. ± 10. | kcal/mol | IMRB | Haartz and McDaniel, 1973 | gas phase; Greater than PF5 ( Larson and McMahon, 1985); B |

_{r}H° | >40.50 | kcal/mol | Ther | Stockdale, Nelson, et al., 1972 | gas phase; Fluoride Affinity: > SF_{5}; new value of latter from Grimsrud, Chowdhury, et al., 1985; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | >74. ± 10. | kcal/mol | IMRB | Haartz and McDaniel, 1973 | gas phase; Greater than PF5 ( Larson and McMahon, 1985); B |

By formula: F^{-} + BFO = (F^{-} BFO)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 48. ± 3. | kcal/mol | ICR | Larson and McMahon, 1987 | gas phase; bracketing; M |

By formula: F^{-} + BF_{3} = (F^{-} BF_{3})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 82. ± 20. | kcal/mol | AVG | N/A | Average of 6 values; Individual data points |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 63.6 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

By formula: F^{-} + BeF_{2} = (F^{-} BeF_{2})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 97.3 ± 2.3 | kcal/mol | TDEq | Nikitin, Sorokin, et al., 1980 | gas phase; Fluoride Affinity: 19.9±1.7 kcal < AlF_{3}; value altered from reference due to conversion from electron convention to ion convention; B |

+ Be_{2}F_{4} = ( Be_{2}F_{4})

By formula: F^{-} + Be_{2}F_{4} = (F^{-} Be_{2}F_{4})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 111.0 ± 2.0 | kcal/mol | TDEq | Nikitin, Sorokin, et al., 1980 | gas phase; Fluoride Affinity of Be2F4: 6.3±2 kcal < AlF_{3}; value altered from reference due to conversion from electron convention to ion convention; B |

By formula: F^{-} + CF_{2}O = (F^{-} CF_{2}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 42.6 | kcal/mol | ICR | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

_{r}H° | 42.6 | kcal/mol | ICR | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 29. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

_{r}S° | 29.0 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 34.0 | kcal/mol | ICR | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

_{r}G° | 34.0 | kcal/mol | ICR | Larson and McMahon, 1984 | gas phase; switching reaction(F-)PF3; M |

_{r}G° | 34.0 | kcal/mol | ICR | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

By formula: F^{-} + CF_{4} = (F^{-} CF_{4})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 6.4 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1995 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 22. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1995 | gas phase; M |

By formula: (F^{-} CF_{4}) + CF_{4} = (F^{-} 2CF_{4})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 5.9 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1995 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 22. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1995 | gas phase; M |

By formula: (F^{-} 2CF_{4}) + CF_{4} = (F^{-} 3CF_{4})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 4.1 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1995 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 17. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1995 | gas phase; M |

By formula: (F^{-} 3CF_{4}) + CF_{4} = (F^{-} 4CF_{4})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 3.9 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1995 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 19. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1995 | gas phase; M |

By formula: (F^{-} 4CF_{4}) + CF_{4} = (F^{-} 5CF_{4})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 2.4 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1995 | gas phase; Entropy change calculated or estimated; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 19. | cal/mol*K | N/A | Hiraoka, Nasu, et al., 1995 | gas phase; Entropy change calculated or estimated; M |

By formula: F^{-} + CHFO = (F^{-} CHFO)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | >18.10 | kcal/mol | IMRB | Karpas and Klein, 1977 | gas phase; FCO^{-} + HCFO ->. Computations indicate HOF(A-) ca. -134, dHaff ca. 33 kcal/mol; B |

By formula: F^{-} + CHF_{3} = (F^{-} CHF_{3})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 27.1 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 25.2 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 19.6 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |

By formula: F^{-} + CHN = (F^{-} CHN)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 39.5 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 22.2 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 32.9 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + CH_{2}F_{2}Si = (F^{-} CH_{2}F_{2}Si)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 46. ± 2. | kcal/mol | ICR | Allison and McMahon, 1990 | gas phase; bracketing; M |

By formula: F^{-} + CH_{2}O_{2} = (F^{-} CH_{2}O_{2})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 45.3 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 24.2 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 38.1 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + CH_{3}BF_{2}O = (F^{-} CH_{3}BF_{2}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 62. | kcal/mol | ICR | Larson and McMahon, 1985 | gas phase; «DELTA»_{r}H>, bracketing; M |

By formula: F^{-} + CH_{3}F_{3}Si = (F^{-} CH_{3}F_{3}Si)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 61.5 ± 5.0 | kcal/mol | IMRB | Murphy and Beauchamp, 1977 | gas phase; B |

_{r}H° | 50.5 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 25. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 43.0 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + CH_{4}O = CH_{3}D_{4}FO^{-}

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 29.8 ± 2.0 | kcal/mol | TDEq | Wilkinson, Szulejko, et al., 1992 | gas phase; Reported relative to ROH..F-, 0.5 kcal/mol weaker.; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 22.4 ± 2.0 | kcal/mol | TDEq | Wilkinson, Szulejko, et al., 1992 | gas phase; Reported relative to ROH..F-, 0.5 kcal/mol weaker.; B |

By formula: F^{-} + CH_{4}O = (F^{-} CH_{4}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 29.6 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |

_{r}H° | 29.4 ± 2.2 | kcal/mol | CIDT | DeTuri and Ervin, 1999 | gas phase; B |

_{r}H° | 23.3 ± 2.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 25.0 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1991 | gas phase; M |

_{r}S° | 22.6 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 22.8 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |

_{r}G° | 15.8 ± 2.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B |

By formula: (F^{-} CH_{4}O) + CH_{4}O = (F^{-} 2CH_{4}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 20.30 ± 0.30 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |

_{r}H° | 19.3 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 23.2 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1991 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 12.97 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |

_{r}G° | 12.4 ± 2.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B |

By formula: (F^{-} 2CH_{4}O) + CH_{4}O = (F^{-} 3CH_{4}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 15.10 ± 0.60 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |

_{r}H° | 14.5 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 21.2 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1991 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 8.06 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |

_{r}G° | 8.2 ± 2.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B |

By formula: (F^{-} 3CH_{4}O) + CH_{4}O = (F^{-} 4CH_{4}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 12.5 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 23.5 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1991 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 5.5 ± 2.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B |

By formula: (F^{-} 4CH_{4}O) + CH_{4}O = (F^{-} 5CH_{4}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 11.9 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 27.3 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1991 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 3.8 ± 2.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B |

By formula: (F^{-} 5CH_{4}O) + CH_{4}O = (F^{-} 6CH_{4}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 11.5 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 29.8 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1991 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 2.6 ± 2.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B |

By formula: (F^{-} 6CH_{4}O) + CH_{4}O = (F^{-} 7CH_{4}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 9.8 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 25.5 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1991 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 2.2 ± 2.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B |

By formula: (F^{-} 7CH_{4}O) + CH_{4}O = (F^{-} 8CH_{4}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 9.7 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 26.8 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1991 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 1.7 ± 2.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B |

By formula: (F^{-} 8CH_{4}O) + CH_{4}O = (F^{-} 9CH_{4}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 9.2 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 25.7 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1991 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 1.5 ± 2.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B |

By formula: (F^{-} 9CH_{4}O) + CH_{4}O = (F^{-} 10CH_{4}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 8.8 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 25.1 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1991 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 1.3 ± 2.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B |

By formula: (F^{-} 10CH_{4}O) + CH_{4}O = (F^{-} 11CH_{4}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 8.6 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 25.5 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1991 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 1.0 ± 2.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; B |

By formula: (F^{-} 11CH_{4}O) + CH_{4}O = (F^{-} 12CH_{4}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 8.5 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; Entropy estimated.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 25. | cal/mol*K | N/A | Hiraoka and Yamabe, 1991 | gas phase; Entropy change calculated or estimated; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 1.1 ± 2.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1991 | gas phase; Entropy estimated.; B |

By formula: F^{-} + CH_{4}S = (F^{-} CH_{4}S)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 34.2 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 23.2 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 27.3 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

+ = CH_{4}F^{-}

By formula: F^{-} + CH_{4} = CH_{4}F^{-}

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 6.70 | kcal/mol | N/A | Hiraoka, Mizuno, et al., 2001 | gas phase; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 1.63 | kcal/mol | TDAs | Hiraoka, Mizuno, et al., 2001 | gas phase; B |

By formula: F^{-} + COS = (F^{-} COS)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 31.8 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 24. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 24.6 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; B,M |

By formula: F^{-} + CO_{2} = (F^{-} CO_{2})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 32.07 | kcal/mol | N/A | Arnold, Bradforth, et al., 1995 | gas phase; B |

_{r}H° | 32.3 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |

_{r}H° | 31.7 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; B,M |

_{r}H° | 33.0 ± 3.0 | kcal/mol | IMRE | McMahon and Northcott, 1978 | gas phase; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 26.7 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |

_{r}S° | 24. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 24.3 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |

_{r}G° | 24.5 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; B,M |

_{r}G° | 11.6 | kcal/mol | FA | Spears and Ferguson, 1973 | gas phase; DG>; M |

By formula: (F^{-} CO_{2}) + CO_{2} = (F^{-} 2CO_{2})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 7.3 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 18.2 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 1.9 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |

By formula: (F^{-} 2CO_{2}) + CO_{2} = (F^{-} 3CO_{2})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 7.2 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 22.6 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 0.5 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |

By formula: (F^{-} 3CO_{2}) + CO_{2} = (F^{-} 4CO_{2})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 5.8 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 20.3 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | -0.2 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |

By formula: (F^{-} 4CO_{2}) + CO_{2} = (F^{-} 5CO_{2})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 5.6 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 22.3 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | -1.0 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |

By formula: (F^{-} 5CO_{2}) + CO_{2} = (F^{-} 6CO_{2})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 5.3 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 22.5 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | -1.4 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |

By formula: (F^{-} 6CO_{2}) + CO_{2} = (F^{-} 7CO_{2})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 3.9 | kcal/mol | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; Entropy change calculated or estimated; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 18. | cal/mol*K | N/A | Hiraoka, Mizuse, et al., 1987 | gas phase; Entropy change calculated or estimated; M |

By formula: F^{-} + CS_{2} = (F^{-} CS_{2})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 35.0 ± 1.5 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1993 | gas phase; B,M |

_{r}H° | 31.3 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 28.2 | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1993 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 26.5 ± 1.5 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1993 | gas phase; B |

_{r}G° | 24.1 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; B |

By formula: (F^{-} CS_{2}) + CS_{2} = (F^{-} 2CS_{2})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 6.70 ± 0.20 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1993 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 15.3 | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1993 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 2.1 ± 1.0 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1993 | gas phase; B |

By formula: (F^{-} 2CS_{2}) + CS_{2} = (F^{-} 3CS_{2})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 5.4 ± 1.0 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1993 | gas phase; Estimated entropy; single temperature measurement; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 17. | cal/mol*K | N/A | Hiraoka, Fujimaki, et al., 1993 | gas phase; Entropy change calculated or estimated; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 0.3 ± 1.0 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1993 | gas phase; Estimated entropy; single temperature measurement; B |

+ C_{2}F_{2}O_{2} = ( C_{2}F_{2}O_{2})

By formula: F^{-} + C_{2}F_{2}O_{2} = (F^{-} C_{2}F_{2}O_{2})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 45.7 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 29. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 37.0 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + C_{2}F_{3}N = (F^{-} C_{2}F_{3}N)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 29.2 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 24. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 21.9 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; B,M |

+ C_{2}F_{4}O = ( C_{2}F_{4}O)

By formula: F^{-} + C_{2}F_{4}O = (F^{-} C_{2}F_{4}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 45.6 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 28. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 37.2 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + C_{2}HF_{3} = (F^{-} C_{2}HF_{3})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 26.3 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |

_{r}H° | 24.3 ± 6.0 | kcal/mol | IMRB | Sullivan and Beauchamp, 1976 | gas phase; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 25.6 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 18.7 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |

By formula: F^{-} + C_{2}HF_{5}O = (F^{-} C_{2}HF_{5}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}G° | 27.0 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1984 | gas phase; B,M |

By formula: F^{-} + C_{2}HF_{5} = (F^{-} C_{2}HF_{5})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 30.4 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 26.6 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 22.5 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |

By formula: F^{-} + C_{2}H_{2}F_{2} = (F^{-} C_{2}H_{2}F_{2})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 26.7 ± 5.0 | kcal/mol | Ther | Sullivan and Beauchamp, 1976 | gas phase; From CH3CF3; B |

By formula: F^{-} + C_{2}H_{2}F_{4}O = (F^{-} C_{2}H_{2}F_{4}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 36.0 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 27.2 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 28.3 | kcal/mol | ICR | Larson and McMahon, 1984 | gas phase; switching reaction(F-)SO2F2; M |

_{r}G° | 27.9 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + C_{2}H_{2}O = (F^{-} C_{2}H_{2}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 35.3 | kcal/mol | ICR | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 26.5 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 27.4 | kcal/mol | ICR | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

By formula: F^{-} + C_{2}H_{3}F = (F^{-} C_{2}H_{3}F)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 15.6 ± 4.0 | kcal/mol | IMRB | Sullivan and Beauchamp, 1976 | gas phase; B |

By formula: F^{-} + C_{2}H_{3}F_{3}O = C_{2}H_{2}D_{3}F_{4}O^{-}

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}G° | 30.5 ± 2.0 | kcal/mol | IMRE | Wilkinson, Szulejko, et al., 1992 | gas phase; Reported relative to ROH..F-, 0.5 kcal/mol weaker.; B |

By formula: F^{-} + C_{2}H_{3}F_{3}O = (F^{-} C_{2}H_{3}F_{3}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 39.1 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 26.8 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 31.1 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + C_{2}H_{3}F_{3} = (F^{-} C_{2}H_{3}F_{3})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 26.5 | kcal/mol | ICR | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 25.9 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 18.8 | kcal/mol | ICR | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

By formula: F^{-} + C_{2}H_{3}N = (F^{-} C_{2}H_{3}N)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 24.5 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; Discrepancy with Yamdagni and Kebarle, 1972 "not resolved; B,M |

_{r}H° | 16.0 ± 2.0 | kcal/mol | TDAs | Yamdagni and Kebarle, 1972 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 22.9 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1988 | gas phase; M |

_{r}S° | 13.4 | cal/mol*K | PHPMS | Yamdagni and Kebarle, 1972 | gas phase; Entropy change is questionable; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 17.6 ± 3.3 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; Discrepancy with Yamdagni and Kebarle, 1972 "not resolved; B |

_{r}G° | 12.0 ± 2.0 | kcal/mol | TDAs | Yamdagni and Kebarle, 1972 | gas phase; B |

By formula: (F^{-} C_{2}H_{3}N) + C_{2}H_{3}N = (F^{-} 2C_{2}H_{3}N)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 17.7 ± 1.5 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B,M |

_{r}H° | 12.90 | kcal/mol | TDAs | Yamdagni and Kebarle, 1972 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 22.9 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1988 | gas phase; M |

_{r}S° | 14.8 | cal/mol*K | PHPMS | Yamdagni and Kebarle, 1972 | gas phase; Entropy change is questionable; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 10.8 ± 3.4 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B |

_{r}G° | 8.50 | kcal/mol | TDAs | Yamdagni and Kebarle, 1972 | gas phase; B |

By formula: (F^{-} 2C_{2}H_{3}N) + C_{2}H_{3}N = (F^{-} 3C_{2}H_{3}N)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 15.1 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B,M |

_{r}H° | 11.70 | kcal/mol | TDAs | Yamdagni and Kebarle, 1972 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 22.4 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1988 | gas phase; M |

_{r}S° | 17.9 | cal/mol*K | PHPMS | Yamdagni and Kebarle, 1972 | gas phase; Entropy change is questionable; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 8.4 ± 2.5 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B |

_{r}G° | 6.40 | kcal/mol | TDAs | Yamdagni and Kebarle, 1972 | gas phase; B |

By formula: (F^{-} 3C_{2}H_{3}N) + C_{2}H_{3}N = (F^{-} 4C_{2}H_{3}N)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 12.80 ± 0.50 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B,M |

_{r}H° | 10.40 | kcal/mol | TDAs | Yamdagni and Kebarle, 1972 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 26.3 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1988 | gas phase; M |

_{r}S° | 19.6 | cal/mol*K | PHPMS | Yamdagni and Kebarle, 1972 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 4.9 ± 1.9 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B |

_{r}G° | 4.50 | kcal/mol | TDAs | Yamdagni and Kebarle, 1972 | gas phase; B |

By formula: (F^{-} 4C_{2}H_{3}N) + C_{2}H_{3}N = (F^{-} 5C_{2}H_{3}N)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 11.50 ± 0.20 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B,M |

_{r}H° | 5.30 | kcal/mol | TDAs | Yamdagni and Kebarle, 1972 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 29.6 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1988 | gas phase; M |

_{r}S° | 7.4 | cal/mol*K | PHPMS | Yamdagni and Kebarle, 1972 | gas phase; Entropy change is questionable; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 2.60 ± 0.80 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B |

_{r}G° | 3.10 | kcal/mol | TDAs | Yamdagni and Kebarle, 1972 | gas phase; B |

By formula: (F^{-} 5C_{2}H_{3}N) + C_{2}H_{3}N = (F^{-} 6C_{2}H_{3}N)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 9.70 ± 0.20 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 27.8 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1988 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 1.40 ± 0.90 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B |

By formula: (F^{-} 6C_{2}H_{3}N) + C_{2}H_{3}N = (F^{-} 7C_{2}H_{3}N)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 8.50 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; Entropy estimated; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 28. | cal/mol*K | N/A | Hiraoka, Mizuse, et al., 1988 | gas phase; Entropy change calculated or estimated; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 0.10 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; Entropy estimated; B |

By formula: F^{-} + C_{2}H_{4}F_{3}N = (F^{-} C_{2}H_{4}F_{3}N)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 28.1 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 26.0 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 20.3 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |

By formula: F^{-} + C_{2}H_{4}O_{2} = (F^{-} C_{2}H_{4}O_{2})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 44.1 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 25.6 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 36.5 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + C_{2}H_{4} = (F^{-} C_{2}H_{4})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 6.0 ± 3.0 | kcal/mol | IMRB | Sullivan and Beauchamp, 1976 | gas phase; Structure: Roy and McMahon, 1985; B |

By formula: F^{-} + C_{2}H_{5}FO = C_{2}H_{4}D_{5}F_{2}O^{-}

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}G° | 26.5 ± 2.0 | kcal/mol | IMRE | Wilkinson, Szulejko, et al., 1992 | gas phase; Reported relative to ROH..F-, 0.5 kcal/mol weaker.; B |

By formula: F^{-} + C_{2}H_{5}FO = (F^{-} C_{2}H_{5}FO)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 34.8 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 26.3 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 27.0 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + C_{2}H_{5}FSi = (F^{-} C_{2}H_{5}FSi)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 40. ± 2. | kcal/mol | ICR | Allison and McMahon, 1990 | gas phase; bracketing; M |

By formula: F^{-} + C_{2}H_{6}BFO_{2} = (F^{-} C_{2}H_{6}BFO_{2})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 52.0 ± 5.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 45.4 ± 5.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

+ C_{2}H_{6}BF = ( C_{2}H_{6}BF)

By formula: F^{-} + C_{2}H_{6}BF = (F^{-} C_{2}H_{6}BF)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 61.80 | kcal/mol | IMRB | Murphy and Beauchamp, 1977, 2 | gas phase; Fluoride Affinity: Et_{3}B > Me_{2}BF > MeSiF_{3} > Me_{3}B > SF_{4}; B |

By formula: F^{-} + C_{2}H_{6}F_{2}Si = (F^{-} C_{2}H_{6}F_{2}Si)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 55.5 ± 5.0 | kcal/mol | IMRB | Murphy and Beauchamp, 1977 | gas phase; Fluoride Affinity: SF_{4}<Me_{2}SiF_{2}<Me_{3}B; B |

By formula: F^{-} + C_{2}H_{6}O = C_{2}H_{5}D_{6}FO^{-}

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}G° | 23.7 ± 2.0 | kcal/mol | IMRE | Wilkinson, Szulejko, et al., 1992 | gas phase; Reported relative to ROH..F-, 0.5 kcal/mol weaker.; B |

By formula: F^{-} + C_{2}H_{6}O = (F^{-} C_{2}H_{6}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 32.40 ± 0.70 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |

_{r}H° | 31.5 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |

_{r}H° | 32.5 ± 2.2 | kcal/mol | CIDT | DeTuri and Ervin, 1999 | gas phase; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 24.9 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 24.74 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |

_{r}G° | 24.1 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |

+ C_{3}F_{5}N = ( C_{3}F_{5}N)

By formula: F^{-} + C_{3}F_{5}N = (F^{-} C_{3}F_{5}N)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 30.1 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |

_{r}H° | 30.3 | kcal/mol | ICR | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 24. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

_{r}S° | 22.8 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 23.3 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |

_{r}G° | 23.1 | kcal/mol | ICR | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

+ C_{3}F_{6}O = ( C_{3}F_{6}O)

By formula: F^{-} + C_{3}F_{6}O = (F^{-} C_{3}F_{6}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 47.2 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 28. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 38.8 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

_{r}G° | 38.8 | kcal/mol | ICR | Larson and McMahon, 1984 | gas phase; switching reaction(F-)CF3COF; M |

By formula: F^{-} + C_{3}F_{6}O = (F^{-} C_{3}F_{6}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 49.7 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 27. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 41.6 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + C_{3}H_{2}F_{6}O = (F^{-} C_{3}H_{2}F_{6}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 47.0 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 38.9 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

By formula: F^{-} + C_{3}H_{5}FO = (F^{-} C_{3}H_{5}FO)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 25.5 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 23.7 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 18.4 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |

By formula: F^{-} + C_{3}H_{6}F_{2}O = (F^{-} C_{3}H_{6}F_{2}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 37.8 | kcal/mol | ICR | Larson and McMahon, 1983 | gas phase; switching reaction(H2O), Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 26.5 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(H2O), Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 29.9 | kcal/mol | ICR | Larson and McMahon, 1983 | gas phase; switching reaction(H2O), Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

By formula: F^{-} + C_{3}H_{8}O = C_{3}H_{7}D_{8}FO^{-}

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}G° | 24.3 ± 2.0 | kcal/mol | IMRE | Wilkinson, Szulejko, et al., 1992 | gas phase; Reported relative to ROH..F-, 0.5 kcal/mol weaker.; B |

By formula: F^{-} + C_{3}H_{8}O = (F^{-} C_{3}H_{8}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 33.50 ± 0.70 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |

_{r}H° | 32.3 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |

_{r}H° | 33.2 ± 2.2 | kcal/mol | CIDT | DeTuri and Ervin, 1999 | gas phase; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 25.6 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 25.69 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |

_{r}G° | 24.7 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |

+ 2 = C_{6}H_{16}FO_{2}^{-}

By formula: F^{-} + 2C_{3}H_{8}O = C_{6}H_{16}FO_{2}^{-}

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 20.80 ± 0.20 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 13.26 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |

+ 3 = C_{9}H_{24}FO_{3}^{-}

By formula: F^{-} + 3C_{3}H_{8}O = C_{9}H_{24}FO_{3}^{-}

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 17.60 ± 0.20 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 8.36 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |

By formula: F^{-} + C_{3}H_{8}O = C_{3}H_{7}D_{8}FO^{-}

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}G° | 24.3 ± 2.0 | kcal/mol | IMRE | Wilkinson, Szulejko, et al., 1992 | gas phase; Reported relative to ROH..F-, 0.5 kcal/mol weaker.; B |

By formula: F^{-} + C_{3}H_{8}O = (F^{-} C_{3}H_{8}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 32.3 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 25.4 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 24.7 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |

By formula: F^{-} + C_{3}H_{8}Si = (F^{-} C_{3}H_{8}Si)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 37. ± 2. | kcal/mol | ICR | Allison and McMahon, 1990 | gas phase; bracketing; M |

By formula: F^{-} + C_{3}H_{9}BO_{3} = (F^{-} C_{3}H_{9}BO_{3})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 42.0 ± 4.0 | kcal/mol | IMRB | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 34.0 ± 3.0 | kcal/mol | IMRB | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

By formula: F^{-} + C_{3}H_{9}B = (F^{-} C_{3}H_{9}B)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 58.50 | kcal/mol | IMRB | Murphy and Beauchamp, 1977, 2 | gas phase; MeSiF_{3}>Me_{3}B>SF_{4}; B |

_{r}H° | 47.2 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 25. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 39.7 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + C_{3}H_{9}FSi = (F^{-} C_{3}H_{9}FSi)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 38.2 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

_{r}H° | <54. ± 10. | kcal/mol | IMRB | Murphy and Beauchamp, 1977 | gas phase; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 22. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 31.6 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

+ C_{4}F_{7}N = ( C_{4}F_{7}N)

By formula: F^{-} + C_{4}F_{7}N = (F^{-} C_{4}F_{7}N)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 30.8 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 24. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 23.6 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; B,M |

By formula: F^{-} + C_{4}HF_{9}O = (F^{-} C_{4}HF_{9}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 56.3 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 47.9 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

+ C_{4}H_{4}F_{6}O = ( C_{4}H_{4}F_{6}O)

By formula: F^{-} + C_{4}H_{4}F_{6}O = (F^{-} C_{4}H_{4}F_{6}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 46.0 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 37.9 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

By formula: F^{-} + C_{4}H_{5}N = (F^{-} C_{4}H_{5}N)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 34.2 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 25.5 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 26.6 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |

By formula: F^{-} + C_{4}H_{9}Br = (F^{-} C_{4}H_{9}Br)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 22.3 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 15.3 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B |

By formula: F^{-} + C_{4}H_{9}F = (F^{-} C_{4}H_{9}F)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 22.3 | kcal/mol | ICR | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 23.6 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 15.3 | kcal/mol | ICR | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

+ C_{4}H_{10}BF = ( C_{4}H_{10}BF)

By formula: F^{-} + C_{4}H_{10}BF = (F^{-} C_{4}H_{10}BF)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 64.00 | kcal/mol | IMRB | Murphy and Beauchamp, 1977, 2 | gas phase; Fluoride Affinity: iPr_{3}B > Et_{2}BF > Et_{3}B; B |

_{r}H° | 58.0 ± 5.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 51.5 ± 5.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

By formula: F^{-} + C_{4}H_{10}O = C_{4}H_{9}D_{10}FO^{-}

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}G° | 24.1 ± 2.0 | kcal/mol | IMRE | Wilkinson, Szulejko, et al., 1992 | gas phase; Reported relative to ROH..F-, 0.5 kcal/mol weaker.; B |

By formula: F^{-} + C_{4}H_{10}O = (F^{-} C_{4}H_{10}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 32.2 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 25.9 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 24.5 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |

By formula: F^{-} + C_{4}H_{10}O = C_{4}H_{9}D_{10}FO^{-}

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}G° | 25.1 ± 2.0 | kcal/mol | IMRE | Wilkinson, Szulejko, et al., 1992 | gas phase; Reported relative to ROH..F-, 0.5 kcal/mol weaker.; B |

By formula: F^{-} + C_{4}H_{10}O = (F^{-} C_{4}H_{10}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 33.40 ± 0.70 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |

_{r}H° | 33.3 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |

_{r}H° | 32.7 ± 2.2 | kcal/mol | CIDT | DeTuri and Ervin, 1999 | gas phase; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 26.1 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 26.01 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |

_{r}G° | 25.5 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |

+ 2 = C_{8}H_{20}FO_{2}^{-}

By formula: F^{-} + 2C_{4}H_{10}O = C_{8}H_{20}FO_{2}^{-}

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 22.00 ± 0.40 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 13.59 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |

+ 3 = C_{12}H_{30}FO_{3}^{-}

By formula: F^{-} + 3C_{4}H_{10}O = C_{12}H_{30}FO_{3}^{-}

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 18.3 ± 1.0 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 7.81 | kcal/mol | TDAs | Bogdanov, Peschke, et al., 1999 | gas phase; B |

By formula: F^{-} + C_{4}H_{12}Si = (F^{-} C_{4}H_{12}Si)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 29.9 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 21. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 23.6 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; B,M |

By formula: F^{-} + C_{5}F_{5}N = (F^{-} C_{5}F_{5}N)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 34.2 ± 2.0 | kcal/mol | TDEq | Dillow and Kebarle, 1988 | gas phase; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 25.7 ± 2.0 | kcal/mol | TDEq | Dillow and Kebarle, 1988 | gas phase; B |

By formula: F^{-} + C_{5}F_{8}O_{2} = (F^{-} C_{5}F_{8}O_{2})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}G° | 46.0 ± 4.5 | kcal/mol | IMRE | Larson and McMahon, 1984 | gas phase; B,M |

+ = C_{5}F_{9}^{-}

By formula: F^{-} + C_{5}F_{8} = C_{5}F_{9}^{-}

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | >30.00 | kcal/mol | TDAs | Hiraoka, Fujita, et al., 1905 | gas phase; B |

By formula: F^{-} + C_{5}FeO_{5} = (F^{-} C_{5}FeO_{5})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 40.9 ± 2.0 | kcal/mol | IMRE | Lane, Sallans, et al., 1985 | gas phase; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 34.4 ± 2.0 | kcal/mol | IMRE | Lane, Sallans, et al., 1985 | gas phase; B |

By formula: F^{-} + C_{5}H_{10}O = (F^{-} C_{5}H_{10}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 24.6 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 26.2 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 16.8 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |

By formula: F^{-} + C_{5}H_{12}Si = (F^{-} C_{5}H_{12}Si)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 37.7 ± 2.2 | kcal/mol | IMRE | Sullivan, DePuy, et al., 1981 | gas phase; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 31.1 ± 2.2 | kcal/mol | IMRE | Sullivan, DePuy, et al., 1981 | gas phase; B |

By formula: F^{-} + C_{6}F_{5}NO_{2} = (F^{-} C_{6}F_{5}NO_{2})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 41.1 ± 2.0 | kcal/mol | IMRE | Dillow and Kebarle, 1988 | gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 19.6 | cal/mol*K | N/A | Dillow and Kebarle, 1988 | gas phase; switching reaction,Thermochemical ladder(F-)C6F6, Entropy change calculated or estimated; Hiraoka, Mizuse, et al., 1987, 2; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 32.8 ± 2.0 | kcal/mol | IMRE | Dillow and Kebarle, 1988 | gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B |

### Free energy of reaction

_{r}G° (kcal/mol) |
T (K) | Method | Reference | Comment |
---|---|---|---|---|

32.8 | 423. | PHPMS | Dillow and Kebarle, 1988 | gas phase; switching reaction,Thermochemical ladder(F-)C6F6, Entropy change calculated or estimated; Hiraoka, Mizuse, et al., 1987, 2; M |

By formula: F^{-} + C_{6}F_{6} = (F^{-} C_{6}F_{6})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 27.5 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987, 2 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 23.7 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987, 3 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 20.4 ± 1.6 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987, 2 | gas phase; B |

By formula: (F^{-} C_{6}F_{6}) + C_{6}F_{6} = (F^{-} 2C_{6}F_{6})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 7.5 | kcal/mol | PHPMS | Hiraoka, Mizuse, et al., 1987, 3 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 12.6 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987, 3 | gas phase; M |

By formula: F^{-} + C_{6}HF_{5} = (F^{-} C_{6}HF_{5})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 29.2 ± 2.0 | kcal/mol | IMRE | Dillow and Kebarle, 1988 | gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 20.1 | cal/mol*K | N/A | Dillow and Kebarle, 1988 | gas phase; switching reaction,Thermochemical ladder(F-)C6F6, Entropy change calculated or estimated; Hiraoka, Mizuse, et al., 1987, 2; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 20.7 ± 2.0 | kcal/mol | IMRE | Dillow and Kebarle, 1988 | gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B |

### Free energy of reaction

_{r}G° (kcal/mol) |
T (K) | Method | Reference | Comment |
---|---|---|---|---|

20.7 | 423. | PHPMS | Dillow and Kebarle, 1988 | gas phase; switching reaction,Thermochemical ladder(F-)C6F6, Entropy change calculated or estimated; Hiraoka, Mizuse, et al., 1987, 2; M |

By formula: F^{-} + C_{6}H_{5}F_{3}Si = C_{6}H_{5}F_{4}Si^{-}

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 79.4 ± 3.3 | kcal/mol | CIDT | Krouse, Lardin, et al., 2003 | gas phase; B |

By formula: F^{-} + C_{6}H_{6}O = (F^{-} C_{6}H_{6}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 41.3 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 26.3 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 33.5 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + C_{6}H_{6} = (F^{-} C_{6}H_{6})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 15.30 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987, 2 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 19.5 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987, 2 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 9.40 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987, 2 | gas phase; B |

By formula: F^{-} + C_{6}H_{7}N = (F^{-} C_{6}H_{7}N)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 31.2 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 26.2 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 23.4 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |

+ C_{6}H_{14}BF_{2} = ( C_{6}H_{14}BF_{2})

By formula: F^{-} + C_{6}H_{14}BF_{2} = (F^{-} C_{6}H_{14}BF_{2})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 66.50 | kcal/mol | IMRB | Murphy and Beauchamp, 1977, 2 | gas phase; Fluoride Affinity: SiF_{4}>iPr_{2}BF>iPr_{3}B; B |

By formula: F^{-} + C_{6}H_{14}O = (F^{-} C_{6}H_{14}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 34.90 | kcal/mol | N/A | Mihalick, Gatev, et al., 1996 | gas phase; affinity derived using a ROH..F. neutral binding energy of 10.3 kcal/mol.; B |

By formula: F^{-} + C_{6}H_{15}BO_{3} = (F^{-} C_{6}H_{15}BO_{3})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 44.0 ± 3.0 | kcal/mol | IMRB | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 36.6 ± 2.0 | kcal/mol | IMRB | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

By formula: F^{-} + C_{6}H_{15}B = (F^{-} C_{6}H_{15}B)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 62.00 | kcal/mol | IMRB | Murphy and Beauchamp, 1977, 2 | gas phase; iPr_{3}B>Et_{3}B>MeSiF_{3}; B |

_{r}H° | 51.0 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 25. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 43.5 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + C_{7}F_{5}N = (F^{-} C_{7}F_{5}N)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 39.3 ± 2.0 | kcal/mol | IMRE | Dillow and Kebarle, 1988 | gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 20.1 | cal/mol*K | N/A | Dillow and Kebarle, 1988 | gas phase; switching reaction,Thermochemical ladder(F-)C6F6, Entropy change calculated or estimated; Hiraoka, Mizuse, et al., 1987, 2; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 30.8 ± 2.0 | kcal/mol | IMRE | Dillow and Kebarle, 1988 | gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B |

### Free energy of reaction

_{r}G° (kcal/mol) |
T (K) | Method | Reference | Comment |
---|---|---|---|---|

30.8 | 423. | PHPMS | Dillow and Kebarle, 1988 | gas phase; switching reaction,Thermochemical ladder(F-)C6F6, Entropy change calculated or estimated; Hiraoka, Mizuse, et al., 1987, 2; M |

By formula: F^{-} + C_{7}F_{8} = (F^{-} C_{7}F_{8})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 33.6 ± 2.0 | kcal/mol | IMRE | Dillow and Kebarle, 1988 | gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 20.1 | cal/mol*K | N/A | Dillow and Kebarle, 1988 | gas phase; switching reaction,Thermochemical ladder(C6F6), Entropy change calculated or estimated; Hiraoka, Mizuse, et al., 1987, 2; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 25.1 ± 2.0 | kcal/mol | IMRE | Dillow and Kebarle, 1988 | gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B |

### Free energy of reaction

_{r}G° (kcal/mol) |
T (K) | Method | Reference | Comment |
---|---|---|---|---|

25.1 | 423. | PHPMS | Dillow and Kebarle, 1988 | gas phase; switching reaction,Thermochemical ladder(C6F6), Entropy change calculated or estimated; Hiraoka, Mizuse, et al., 1987, 2; M |

By formula: F^{-} + C_{7}H_{3}F_{5}O = (F^{-} C_{7}H_{3}F_{5}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 37.5 | kcal/mol | PHPMS | Dillow and Kebarle, 1988 | gas phase; switching reaction,Thermochemical ladder(F-)C6F6, Entropy change calculated or estimated; Hiraoka, Mizuse, et al., 1987, 2; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 20.1 | cal/mol*K | N/A | Dillow and Kebarle, 1988 | gas phase; switching reaction,Thermochemical ladder(F-)C6F6, Entropy change calculated or estimated; Hiraoka, Mizuse, et al., 1987, 2; M |

### Free energy of reaction

_{r}G° (kcal/mol) |
T (K) | Method | Reference | Comment |
---|---|---|---|---|

29.0 | 423. | PHPMS | Dillow and Kebarle, 1988 | gas phase; switching reaction,Thermochemical ladder(F-)C6F6, Entropy change calculated or estimated; Hiraoka, Mizuse, et al., 1987, 2; M |

By formula: F^{-} + C_{7}H_{7}F = (F^{-} C_{7}H_{7}F)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 24.4 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 16.5 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; B |

By formula: F^{-} + C_{7}H_{7}F = (F^{-} C_{7}H_{7}F)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 24.4 | kcal/mol | ICR | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 26.6 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 16.5 | kcal/mol | ICR | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

By formula: F^{-} + C_{7}H_{8}O = (F^{-} C_{7}H_{8}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 32.40 | kcal/mol | N/A | Mihalick, Gatev, et al., 1996 | gas phase; affinity derived using a ROH..F. neutral binding energy of 10.3 kcal/mol.; B |

By formula: F^{-} + C_{7}H_{16}O = (F^{-} C_{7}H_{16}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 33.80 | kcal/mol | N/A | Mihalick, Gatev, et al., 1996 | gas phase; affinity derived using a ROH..F. neutral binding energy of 10.3 kcal/mol.; B |

By formula: F^{-} + C_{8}H_{3}F_{5}O = (F^{-} C_{8}H_{3}F_{5}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 37.5 ± 2.0 | kcal/mol | IMRE | Dillow and Kebarle, 1988 | gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 29.0 ± 2.0 | kcal/mol | IMRE | Dillow and Kebarle, 1988 | gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B |

By formula: F^{-} + C_{9}H_{21}B = (F^{-} C_{9}H_{21}B)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 65.00 | kcal/mol | IMRB | Murphy and Beauchamp, 1977, 2 | gas phase; Fluoride Affinity: iPr_{2}BF > iPr_{3}B > Et_{2}BF > Et_{3}B; B |

By formula: F^{-} + CeF_{3} = (F^{-} CeF_{3})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 109.7 ± 7.0 | kcal/mol | Ther | Sidorov, Sorokin, et al., 1981 | gas phase; value altered from reference due to conversion from electron convention to ion convention; B |

By formula: F^{-} + ClI = (F^{-} ClI)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 94.40 | kcal/mol | Ther | Finch, Gates, et al., 1977 | gas phase; This value is far more strongly bound than expected from other X3- data; B |

_{r}H° | 43.30 | kcal/mol | N/A | Check, Faust, et al., 2001 | gas phase; FeH2-(q); ; «DELTA»S(EA)=8.2; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 33.00 | kcal/mol | N/A | Check, Faust, et al., 2001 | gas phase; FeH2-(q); ; «DELTA»S(EA)=8.2; B |

By formula: F^{-} + CoF_{3} = (F^{-} CoF_{3})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 105.7 ± 6.0 | kcal/mol | TDAs | Rau, Chilingarov, et al., 1997 | gas phase; Values are at 0K; value altered from reference due to conversion from electron convention to ion convention; B |

_{r}H° | 105.4 ± 2.0 | kcal/mol | TDEq | Sidorov, Nikulin, et al., 1987 | gas phase; Fluoride Affinity: 11.2 kcal/mol < AlF3; value altered from reference due to conversion from electron convention to ion convention; B |

By formula: F^{-} + CrF_{2} = (F^{-} CrF_{2})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 86.3 ± 3.8 | kcal/mol | TDEq | Boltalina, Borshchevskii, et al., 1991 | gas phase; Data at 0 K. See also Pramann and Rademann, 1999; value altered from reference due to conversion from electron convention to ion convention; B |

_{r}H° | 157.7 ± 7.7 | kcal/mol | Ther | Igolkina | gas phase; The derived values do not seem reasonable - JEB.; value altered from reference due to conversion from electron convention to ion convention; B |

By formula: F^{-} + CrF_{3} = (F^{-} CrF_{3})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 92.5 ± 3.5 | kcal/mol | TDEq | Boltalina, Borshchevskii, et al., 1991 | gas phase; Data at 0 K. See also Pramann and Rademann, 1999; value altered from reference due to conversion from electron convention to ion convention; B |

By formula: F^{-} + CrF_{4} = (F^{-} CrF_{4})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 98.2 ± 9.6 | kcal/mol | TDEq | Boltalina, Borshchevskii, et al., 1991 | gas phase; Data at 0 K. See also Pramann and Rademann, 1999; value altered from reference due to conversion from electron convention to ion convention; B |

By formula: F^{-} + CuF_{2} = (F^{-} CuF_{2})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 83.8 ± 4.1 | kcal/mol | TDEq | Kuznetsov, Korobov, et al., 1986 | gas phase; Anchor:F-(FeF_{3}) Chilingarov, Korobov, et al., 1984; value altered from reference due to conversion from electron convention to ion convention; B |

By formula: F^{-} + D_{2}O = (F^{-} D_{2}O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 23.0 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1988 | gas phase; Anchored to Arshadi, Yamdagni, et al., 1970: HOH..F- + DOD <=> DOD..F- + HOH, Keq=0.66; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 17.8 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1988 | gas phase; Anchored to Arshadi, Yamdagni, et al., 1970: HOH..F- + DOD <=> DOD..F- + HOH, Keq=0.66; B,M |

By formula: F^{-} + FK = (F^{-} FK)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 53.50 ± 0.80 | kcal/mol | TDAs | Nikitin, Sidorov, et al., 1981 | gas phase; value altered from reference due to conversion from electron convention to ion convention; B |

_{r}H° | 47.9 ± 1.0 | kcal/mol | TDEq | Sidorov, Nikitin, et al., 1980 | gas phase; Fluoride Affinity:1100K, «DELTA»Hf(KF_{2}^{-}):298K; value altered from reference due to conversion from electron convention to ion convention; B |

_{r}H° | >52.6 ± 5.0 | kcal/mol | TDEq | Gusarov, Gorokhov, et al., 1979 | gas phase; value altered from reference due to conversion from electron convention to ion convention; B |

_{r}H° | 46.4 | kcal/mol | MS | Nikitin, Skokan, et al., 1979 | gas phase; Knudsen cell; M |

By formula: F^{-} + FOP = (F^{-} FOP)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 56. ± 4. | kcal/mol | ICR | Larson and McMahon, 1987 | gas phase; bracketing; M |

By formula: F^{-} + FO_{2}P = (F^{-} FO_{2}P)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 90. ± 15. | kcal/mol | ICR | Larson and McMahon, 1987 | gas phase; bracketing; M |

By formula: F^{-} + FPS = (F^{-} FPS)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 62. ± 5. | kcal/mol | ICR | Larson and McMahon, 1987 | gas phase; bracketing; M |

+ FPS = F_{2}PS^{-}

By formula: F^{-} + FPS = F_{2}PS^{-}

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 62.0 ± 5.0 | kcal/mol | IMRB | Larson and McMahon, 1987 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 56.0 ± 4.0 | kcal/mol | IMRB | Larson and McMahon, 1987 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

By formula: F^{-} + F_{2}Mn = (F^{-} F_{2}Mn)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 83.9 ± 3.8 | kcal/mol | TDAs | Boltalina, Borshchevskii, et al., 1992 | gas phase; Critical review; value altered from reference due to conversion from electron convention to ion convention; B |

_{r}H° | 93.4 ± 2.0 | kcal/mol | TDEq | Sidorov and Gubarevich, 1982 | gas phase; Fluoride Affinity: 23.2±0.8 kcal/mol < AlF3; value altered from reference due to conversion from electron convention to ion convention; B |

_{r}H° | 102.70 | kcal/mol | TDEq | Sidorov, Sorokin, et al., 1981 | gas phase; value altered from reference due to conversion from electron convention to ion convention; B |

By formula: F^{-} + F_{2}Ni = (F^{-} F_{2}Ni)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 80.8 ± 3.6 | kcal/mol | TDEq | Nikitin, Igolkina, et al., 1986 | gas phase; Reanalyzed literature data, 35.9 kcal < AlF_{3}; B |

By formula: F^{-} + F_{2}OS = (F^{-} F_{2}OS)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 35.8 | kcal/mol | ICR | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

_{r}H° | 37.4 | kcal/mol | ICR | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

_{r}H° | 37.4 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 24.2 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 30.2 | kcal/mol | ICR | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

_{r}G° | 30.2 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

### Free energy of reaction

_{r}G° (kcal/mol) |
T (K) | Method | Reference | Comment |
---|---|---|---|---|

27.6 | 2988. | ICR | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

By formula: F^{-} + F_{2}OSi = (F^{-} F_{2}OSi)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 123.40 | kcal/mol | Ther | Damrauer, Simon, et al., 1991 | gas phase; Between HCO2H, HCl; B |

_{r}H° | 102. ± 17. | kcal/mol | IMRB | Larson and McMahon, 1987 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + F_{2}O_{2}S = (F^{-} F_{2}O_{2}S)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 35.8 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

_{r}H° | 30.0 ± 6.0 | kcal/mol | Ther | Galembeck, Faigle, et al., 1978 | gas phase; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 27.5 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 27.6 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + F_{2}SSi = (F^{-} F_{2}SSi)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | >72.00 | kcal/mol | IMRB | Larson and McMahon, 1987 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + F_{2}S_{2} = (F^{-} F_{2}S_{2})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 36.0 ± 3.0 | kcal/mol | IMRB | Larson and McMahon, 1987 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

+ F_{2}Xe = F_{3}Xe^{-}

By formula: F^{-} + F_{2}Xe = F_{3}Xe^{-}

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 138.43 | kcal/mol | N/A | Krouse, Hao, et al., 2007 | gas phase; B |

By formula: F^{-} + F_{2}Zn = (F^{-} F_{2}Zn)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 80.5 ± 4.5 | kcal/mol | TDAs | Boltalina, Borshchevskii, et al., 1992 | gas phase; Critical review; value altered from reference due to conversion from electron convention to ion convention; B |

+ = F_{3}^{-}

By formula: F^{-} + F_{2} = F_{3}^{-}

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 23.3 ± 2.5 | kcal/mol | CIDT | Artau, Nizzi, et al., 2000 | gas phase; B |

By formula: F^{-} + F_{3}Fe = (F^{-} F_{3}Fe)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 108.3 ± 3.6 | kcal/mol | TDAs | Boltalina, Borshchevskii, et al., 1992 | gas phase; Critical review; value altered from reference due to conversion from electron convention to ion convention; B |

_{r}H° | 104.9 ± 3.4 | kcal/mol | TDEq | Sorokin, Sidorov, et al., 1981 | gas phase; Fluoride Affinity: 14.9 kcal < AlF_{3}; value altered from reference due to conversion from electron convention to ion convention; B |

_{r}H° | 109.0 ± 3.3 | kcal/mol | TDEq | Chilingarov, Korobov, et al., 1984 | gas phase; Fluoride Affinity: 8.8 kcal < AlF_{3}; value altered from reference due to conversion from electron convention to ion convention; B |

By formula: F^{-} + F_{3}Ga = (F^{-} F_{3}Ga)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 110.3 ± 4.1 | kcal/mol | TDAs | Zhuravleva, Nikitin, et al., 1985 | gas phase; Fluoride Affinity: 7.5 kcal < AlF3; value altered from reference due to conversion from electron convention to ion convention; B |

By formula: F^{-} + F_{3}N = (F^{-} F_{3}N)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 7.20 ± 0.30 | kcal/mol | TDAs | Hiraoka, Shimizu, et al., 1995 | gas phase; B |

By formula: F^{-} + F_{3}OP = (F^{-} F_{3}OP)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 47.9 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

_{r}H° | 48.0 ± 9.0 | kcal/mol | IMRB | Rhyne and Dillard, 1971 | gas phase; Fluoride Affinity: SF_{4}>F_{3}PO>SF_{5}. Orignal value 32±10, now reval. with new affinities; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 26. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 40.1 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + F_{3}PS = (F^{-} F_{3}PS)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 48.0 ± 9.0 | kcal/mol | IMRB | Rhyne and Dillard, 1971 | gas phase; Fluoride Affinity: between SF_{4}, SF_{5}. Original value 32±10, now altered with new aff.; B |

By formula: F^{-} + F_{3}P = (F^{-} F_{3}P)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 40.2 | kcal/mol | ICR | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

_{r}H° | 40.2 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

_{r}H° | 50.0 ± 5.0 | kcal/mol | IMRB | Sullivan and Beauchamp, 1978 | gas phase; Fluoride Affinity: < OPF_{3}, > F, SF_{4}, Me_{3}SiF, HCN, SO_{2}; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 25. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

_{r}S° | 25.5 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 32.6 | kcal/mol | ICR | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

_{r}G° | 32.6 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + F_{3}Rh = (F^{-} F_{3}Rh)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 95.8 ± 3.4 | kcal/mol | TDEq | Chilingarov, Korobov, et al., 1984 | gas phase; Fluoride Affinity: 5.3 kcal <MnF_{3}; B |

By formula: F^{-} + F_{3}Sc = (F^{-} F_{3}Sc)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 113.3 ± 3.6 | kcal/mol | TDAs | Boltalina, Borshchevskii, et al., 1992 | gas phase; Critical review; value altered from reference due to conversion from electron convention to ion convention; B |

_{r}H° | 112.3 ± 2.4 | kcal/mol | TDEq | Nikitin, Igolkina, et al., 1986 | gas phase; Reanalyzed literature data, 4.3 kcal < AlF_{3}; B |

_{r}H° | 116.5 ± 2.3 | kcal/mol | TDEq | Nikitin, Sidorov, et al., 1981 | gas phase; Fluoride Affinity: 4.1 kcal < AlF_{3}; value altered from reference due to conversion from electron convention to ion convention; B |

_{r}H° | 118.2 ± 2.5 | kcal/mol | TDEq | Skokan, Nikitin, et al., 1981 | gas phase; Fluoride Affinity: 2.5 kcal < AlF_{3}.; value altered from reference due to conversion from electron convention to ion convention; B |

_{r}H° | 112. | kcal/mol | MS | Pyatenko, Gusarov, et al., 1981 | gas phase; Knudsen cell; M |

By formula: F^{-} + F_{3}V = (F^{-} F_{3}V)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 102.5 ± 4.3 | kcal/mol | TDAs | Boltalina, Borshchevskii, et al., 1992 | gas phase; Critical review; value altered from reference due to conversion from electron convention to ion convention; B |

_{r}H° | 100.9 ± 6.7 | kcal/mol | TDEq | Sidorov, Boltalina, et al., 1989 | gas phase; Fluoride Affinity: 16.0±2.4 kcal/mol > CrF2; value altered from reference due to conversion from electron convention to ion convention; B |

By formula: F^{-} + F_{3}Y = (F^{-} F_{3}Y)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 114.0 ± 5.0 | kcal/mol | TDEq | Pyatenko, Gusarov, et al., 1981, 2 | gas phase; F-A at 0 K; «DELTA»Hf at 298 K. Equilibrium measured vs. AlF4-; value altered from reference due to conversion from electron convention to ion convention; B |

By formula: F^{-} + F_{4}Ge = (F^{-} F_{4}Ge)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 100.0 ± 7.0 | kcal/mol | Ther | Mallouk, Rosenthal, et al., 1984 | gas phase; Fluoride affinities from this method appear to be consistently about 10 kcal/mol too bound; B |

_{r}H° | >96.70 | kcal/mol | IMRB | Harland, Cradock, et al., 1972 | gas phase; B |

By formula: F^{-} + HfF_{4} = (F^{-} HfF_{4})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 102.5 ± 4.0 | kcal/mol | TDEq | Nikitin, Igolkina, et al., 1986 | gas phase; Reanalyzed literature data, 14.1 kcal < AlF_{3}; value altered from reference due to conversion from electron convention to ion convention; B |

_{r}H° | 96.9 ± 2.1 | kcal/mol | TDEq | Nikitin, Sorokin, et al., 1980 | gas phase; Fluoride Affinity: 20.1 kcal < AlF_{3}; B |

By formula: F^{-} + F_{4}Mn = (F^{-} F_{4}Mn)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 83. ± 20. | kcal/mol | TDEq | Korobov, Chilingarov, et al., 1984 | gas phase; Fluoride Affinity: 17.5 kcal < MnF_{3}; value altered from reference due to conversion from electron convention to ion convention; B |

By formula: F^{-} + F_{4}MoO = (F^{-} F_{4}MoO)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 96.20 | kcal/mol | TDEq | Borchevsky and Sidorov, 1985 | gas phase; Fluoride Affinity: MoOF3 < MoF5 by 4.0±2.0 kcal/mol; value altered from reference due to conversion from electron convention to ion convention; B |

By formula: F^{-} + F_{4}Mo = (F^{-} F_{4}Mo)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 91.5 ± 3.3 | kcal/mol | TDEq | Borshchevskii, Boltalina, et al., 1988 | gas phase; value altered from reference due to conversion from electron convention to ion convention; B |

_{r}H° | 91.8 ± 4.0 | kcal/mol | TDEq | Borchevsky and Sidorov, 1985 | gas phase; Fluoride Affinity: MoF4 > UF4 by 7.1 kcal/mol; value altered from reference due to conversion from electron convention to ion convention; B |

By formula: F^{-} + F_{4}OS = (F^{-} F_{4}OS)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 58.0 ± 3.0 | kcal/mol | IMRE | Larson and McMahon, 1987 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

_{r}H° | 68. ± 10. | kcal/mol | IMRB | Arnold, Miller, et al., 2002 | gas phase; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 52.7 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1987 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

By formula: F^{-} + F_{4}Os = (F^{-} F_{4}Os)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 87.0 ± 6.4 | kcal/mol | TDEq | Kuznetsov, Korobov, et al., 1989 | gas phase; Fluoride Affinity: 0.2±2.6 kcal/mol < VF4; B |

By formula: F^{-} + F_{4}Ru = (F^{-} F_{4}Ru)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 97.0 ± 4.2 | kcal/mol | TDEq | Kuznetsov, Korobov, et al., 1989 | gas phase; Fluoride Affinity: 11.0±2.6 kcal.mol < FeF3; B |

By formula: F^{-} + F_{4}S = (F^{-} F_{4}S)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 43.8 | kcal/mol | ICR | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

_{r}H° | 43.8 | kcal/mol | ICR | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 25. | cal/mol*K | N/A | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

_{r}S° | 25.6 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 36.2 | kcal/mol | ICR | Larson and McMahon, 1985 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

_{r}G° | 36.2 | kcal/mol | ICR | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

By formula: (F^{-} 4294967295F_{4}S) + F_{4}S = F^{-}

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 54.9 ± 2.3 | kcal/mol | CIDT | Lobring, Check, et al., 2003, 2 | gas phase; B |

_{r}H° | 54.1 ± 6.5 | kcal/mol | Ther | Leffert, Tang, et al., 1974 | gas phase; From SF_{6}; B |

_{r}H° | >40.5 ± 3.4 | kcal/mol | IMRB | Babcock and Streit, 1981 | gas phase; Fluoride Affinity: SF_{4} > SF_{5}; B |

_{r}H° | 43.8 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 36.2 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

By formula: F^{-} + F_{4}Si = (F^{-} F_{4}Si)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | >29.10 ± 0.50 | kcal/mol | N/A | Kawamata, Neigishi, et al., 1996 | gas phase; B |

_{r}H° | 68.0 ± 5.0 | kcal/mol | IMRB | Murphy and Beauchamp, 1977 | gas phase; Fluoride Affinity: <BF_{3}, >iPr2BF; B |

_{r}H° | 60.0 ± 4.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 54.1 ± 4.0 | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

_{r}G° | 51. | kcal/mol | ICR | Larson and McMahon, 1984 | gas phase; switching reaction(F-)H2O, DG+-2. kcal/mol; 70 ARS/YAM; M |

By formula: F^{-} + F_{4}Th = (F^{-} F_{4}Th)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 104.2 ± 3.5 | kcal/mol | Ther | Sidirov, Zhuravlena, et al., 1983 | gas phase; Fluoride Affinity: 21.1 kcal < AlF_{3}, 3.6 kcal < ZrF_{4}; value altered from reference due to conversion from electron convention to ion convention; B |

By formula: F^{-} + F_{4}Ti = (F^{-} F_{4}Ti)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 86.3 ± 3.8 | kcal/mol | TDAs | Boltalina, Borshchevskii, et al., 1992 | gas phase; Critical review; value altered from reference due to conversion from electron convention to ion convention; B |

_{r}H° | 86.0 ± 5.3 | kcal/mol | TDEq | Boltalina, Borshchevskii, et al., 1991, 2 | gas phase; Fluoride Affinity: 30.3 kcal/mol < AlF3 (Data at 0 K); value altered from reference due to conversion from electron convention to ion convention; B |

By formula: F^{-} + F_{4}U = (F^{-} F_{4}U)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 101. ± 6. | kcal/mol | AVG | N/A | Average of 6 values; Individual data points |

By formula: F^{-} + F_{4}Zr = (F^{-} F_{4}Zr)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 99.3 ± 2.0 | kcal/mol | TDEq | Skokan, Sorokin, et al., 1982 | gas phase; Fluoride Affinity: 22±1 kcal < AlF_{3}; value altered from reference due to conversion from electron convention to ion convention; B |

_{r}H° | 96.3 ± 1.0 | kcal/mol | TDEq | Skokan, Nikitin, et al., 1981 | gas phase; Fluoride Affinity: 23.12 kcal < AlF_{3}; value altered from reference due to conversion from electron convention to ion convention; B |

By formula: F^{-} + F_{5}P = (F^{-} F_{5}P)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 78.6 ± 3.3 | kcal/mol | TDAs | Aleshina, Borshchevskii, et al., 1996 | gas phase; The discrepancy with Larson and McMahon, 1985 is discussed but not resolved.; value altered from reference due to conversion from electron convention to ion convention; B |

_{r}H° | 85. ± 10. | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

_{r}H° | 101.0 ± 8.0 | kcal/mol | Ther | Mallouk, Rosenthal, et al., 1984 | gas phase; Fluoride affinities from this method appear to be consistently about 10 kcal/mol too bound; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 74. ± 10. | kcal/mol | IMRE | Larson and McMahon, 1985 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

By formula: F^{-} + F_{5}Sb = (F^{-} F_{5}Sb)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 117.10 | kcal/mol | N/A | Check, Faust, et al., 2001 | gas phase; MnH2-(t); ; «DELTA»S(EA)=5.4; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 107.00 | kcal/mol | N/A | Check, Faust, et al., 2001 | gas phase; MnH2-(t); ; «DELTA»S(EA)=5.4; B |

+ F_{6}S^{-} = ( F_{6}S^{-})

By formula: F^{-} + F_{6}S^{-} = (F^{-} F_{6}S^{-})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 5.4 | kcal/mol | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 20. | cal/mol*K | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; M |

( F_{6}S^{-}) + F_{6}S^{-} = ( 2F_{6}S^{-})

By formula: (F^{-} F_{6}S^{-}) + F_{6}S^{-} = (F^{-} 2F_{6}S^{-})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 4.0 | kcal/mol | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; Entropy change calculated or estimated; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 18. | cal/mol*K | N/A | Hiraoka, Shimizu, et al., 1995 | gas phase; Entropy change calculated or estimated; M |

By formula: F^{-} + F_{6}S = (F^{-} F_{6}S)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 5.40 ± 0.30 | kcal/mol | TDAs | Hiraoka, Shimizu, et al., 1995 | gas phase; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | -0.6 ± 3.0 | kcal/mol | TDAs | Hiraoka, Shimizu, et al., 1995 | gas phase; B |

By formula: (F^{-} F_{6}S) + F_{6}S = (F^{-} 2F_{6}S)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 4.00 ± 0.30 | kcal/mol | TDAs | Hiraoka, Shimizu, et al., 1995 | gas phase; Entropy estimated. Gaff = +1.4 at 141 K; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | -1.40 ± 0.30 | kcal/mol | TDAs | Hiraoka, Shimizu, et al., 1995 | gas phase; Entropy estimated. Gaff = +1.4 at 141 K; B |

By formula: F^{-} + F_{6}U = (F^{-} F_{6}U)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 56.6 ± 7.2 | kcal/mol | Ther | Pyatenko, Guasarov, et al., 1984 | gas phase; Critical review; value altered from reference due to conversion from electron convention to ion convention; B |

_{r}H° | 46. ± 10. | kcal/mol | IMRB | Beauchamp, 1976 | gas phase; B |

By formula: F^{-} + F_{6}W = (F^{-} F_{6}W)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 69.0 ± 5.0 | kcal/mol | Ther | George and Beauchamp, 1979 | gas phase; Fluoride Affinity: SiF_{4} < WF_{6} < BF_{3}; B |

+ F_{9}Mo_{2} = ( F_{9}Mo_{2})

By formula: F^{-} + F_{9}Mo_{2} = (F^{-} F_{9}Mo_{2})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 96.1 ± 8.6 | kcal/mol | TDEq | Borshchevskii, Boltalina, et al., 1988 | gas phase; value altered from reference due to conversion from electron convention to ion convention; B |

+ F_{10}U_{2} = ( F_{10}U_{2})

By formula: F^{-} + F_{10}U_{2} = (F^{-} F_{10}U_{2})

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 129. ± 12. | kcal/mol | Ther | Pyatenko and Gorokhov, 1984 | gas phase; value altered from reference due to conversion from electron convention to ion convention; B |

By formula: F^{-} + HCl = (F^{-} HCl)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 60. ± 2. | kcal/mol | ICR | Larson and McMahon, 1985 | gas phase; bracketing; M |

By formula: F^{-} + HF = (F^{-} HF)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 45.8 ± 1.6 | kcal/mol | CIDC | Wenthold and Squires, 1995 | gas phase; B |

_{r}H° | 38.6 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

_{r}H° | >34.6 ± 4.6 | kcal/mol | Ther | Heni and Illenberger, 1985 | gas phase; From CHF=CHF. Outdataed HC2. thermo used. Current value ( Berkowitz, Ellison, et al., 1994) implies Haff>57.; B |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 21.9 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 32.0 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |

### Free energy of reaction

_{r}G° (kcal/mol) |
T (K) | Method | Reference | Comment |
---|---|---|---|---|

32.0 | 289. | ICR | Larson and McMahon, 1983 | gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

By formula: F^{-} + HNO = (F^{-} HNO)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 33.0 ± 3.0 | kcal/mol | IMRB | Janaway, Zhong, et al., 1997 | gas phase; Actual structure probably HF..NO-; B |

+ = HFO^{-}

By formula: F^{-} + HO = HFO^{-}

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 32.4 ± 2.3 | kcal/mol | LPES | Deyerl and Continetti, 2005 | gas phase; affinity at 0 K; B |

By formula: F^{-} + H_{2}O = (F^{-} H_{2}O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 27.40 ± 0.50 | kcal/mol | TDAs | Weis, Kemper, et al., 1999 | gas phase; B |

_{r}H° | 23.30 | kcal/mol | TDAs | Arshadi, Yamdagni, et al., 1970 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 17.4 | cal/mol*K | HPMS | Arshadi, Yamdagni, et al., 1970 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 21.90 ± 0.50 | kcal/mol | TDAs | Weis, Kemper, et al., 1999 | gas phase; B |

_{r}G° | 18.1 ± 2.0 | kcal/mol | TDAs | Arshadi, Yamdagni, et al., 1970 | gas phase; B |

By formula: (F^{-} H_{2}O) + H_{2}O = (F^{-} 2H_{2}O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 19.20 ± 0.50 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; Stated electron affinity is the Vertical Detachment Energy; B,M |

_{r}H° | 16.6 ± 1.0 | kcal/mol | TDAs | Payzant, Yamdagni, et al., 1971 | gas phase; B |

_{r}H° | 16.6 ± 1.0 | kcal/mol | TDAs | Arshadi, Yamdagni, et al., 1970 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 22.2 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1988 | gas phase; M |

_{r}S° | 18.7 | cal/mol*K | HPMS | Arshadi, Yamdagni, et al., 1970 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 12.5 ± 1.6 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; Stated electron affinity is the Vertical Detachment Energy; B |

_{r}G° | 11.0 ± 1.4 | kcal/mol | TDAs | Payzant, Yamdagni, et al., 1971 | gas phase; B |

_{r}G° | 11.00 | kcal/mol | TDAs | Arshadi, Yamdagni, et al., 1970 | gas phase; B |

By formula: (F^{-} 2H_{2}O) + H_{2}O = (F^{-} 3H_{2}O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 15.30 ± 0.40 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B,M |

_{r}H° | 13.7 ± 1.0 | kcal/mol | TDAs | Payzant, Yamdagni, et al., 1971 | gas phase; B |

_{r}H° | 13.7 ± 1.0 | kcal/mol | TDAs | Arshadi, Yamdagni, et al., 1970 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 22.9 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1988 | gas phase; M |

_{r}S° | 20.4 | cal/mol*K | HPMS | Arshadi, Yamdagni, et al., 1970 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 8.4 ± 1.3 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B |

_{r}G° | 7.6 ± 1.4 | kcal/mol | TDAs | Payzant, Yamdagni, et al., 1971 | gas phase; B |

_{r}G° | 7.60 | kcal/mol | TDAs | Arshadi, Yamdagni, et al., 1970 | gas phase; B |

By formula: (F^{-} 3H_{2}O) + H_{2}O = (F^{-} 4H_{2}O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 13.90 ± 0.40 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B,M |

_{r}H° | 13.5 ± 1.0 | kcal/mol | TDAs | Arshadi, Yamdagni, et al., 1970 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 26.6 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1988 | gas phase; M |

_{r}S° | 26.9 | cal/mol*K | HPMS | Arshadi, Yamdagni, et al., 1970 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 5.9 ± 1.3 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B |

_{r}G° | 5.50 | kcal/mol | TDAs | Arshadi, Yamdagni, et al., 1970 | gas phase; B |

_{r}G° | 6.1 ± 2.0 | kcal/mol | TDAs | Kebarle, Arshadi, et al., 1968 | gas phase; B,M |

By formula: (F^{-} 4H_{2}O) + H_{2}O = (F^{-} 5H_{2}O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 12.30 ± 0.40 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B,M |

_{r}H° | 13.2 ± 1.0 | kcal/mol | TDAs | Arshadi, Yamdagni, et al., 1970 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 26.0 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1988 | gas phase; M |

_{r}S° | 30.7 | cal/mol*K | HPMS | Arshadi, Yamdagni, et al., 1970 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 4.5 ± 1.3 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B |

_{r}G° | 7.10 | kcal/mol | TDAs | Arshadi, Yamdagni, et al., 1970 | gas phase; B |

_{r}G° | 4.6 ± 2.0 | kcal/mol | TDAs | Kebarle, Arshadi, et al., 1968 | gas phase; B,M |

By formula: (F^{-} 5H_{2}O) + H_{2}O = (F^{-} 6H_{2}O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 10.90 ± 0.30 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 24.8 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1988 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 3.5 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B |

By formula: (F^{-} 6H_{2}O) + H_{2}O = (F^{-} 7H_{2}O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 10.40 ± 0.30 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 26.0 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1988 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 2.6 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B |

By formula: (F^{-} 7H_{2}O) + H_{2}O = (F^{-} 8H_{2}O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 11.20 ± 0.40 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 31.2 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1988 | gas phase; 0.4; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 1.8 ± 1.6 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B |

By formula: (F^{-} 8H_{2}O) + H_{2}O = (F^{-} 9H_{2}O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 11.10 ± 0.50 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 32.8 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1988 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 1.3 ± 2.1 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B |

By formula: (F^{-} 9H_{2}O) + H_{2}O = (F^{-} 10H_{2}O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 11.00 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; Entropy estimated; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 33. | cal/mol*K | N/A | Hiraoka, Mizuse, et al., 1988 | gas phase; Entropy change calculated or estimated; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 1.10 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; Entropy estimated; B |

By formula: F^{-} + H_{2}S = (F^{-} H_{2}S)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 34.6 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 18.8 | cal/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}G° | 29.0 ± 2.0 | kcal/mol | IMRE | Larson and McMahon, 1983 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M |

By formula: F^{-} + H_{3}N = (F^{-} H_{3}N)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 23. | kcal/mol | FA | Spears and Ferguson, 1973 | gas phase; «DELTA»_{r}H>; M |

+ H_{16}B_{4}U = ( H_{16}B_{4}U)

By formula: F^{-} + H_{16}B_{4}U = (F^{-} H_{16}B_{4}U)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 45.0 ± 8.1 | kcal/mol | IMRB | Babcock, Herd, et al., 1984 | gas phase; Obs. F- transfer from SF6-, not from UF5-; B |

By formula: F^{-} + N_{2}O = (F^{-} N_{2}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 9.9 ± 0.3 | kcal/mol | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 23.9 | cal/mol*K | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |

By formula: (F^{-} N_{2}O) + N_{2}O = (F^{-} 2N_{2}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 9.2 ± 0.3 | kcal/mol | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 22.7 | cal/mol*K | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |

By formula: (F^{-} 2N_{2}O) + N_{2}O = (F^{-} 3N_{2}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 8.4 ± 0.3 | kcal/mol | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 23.6 | cal/mol*K | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |

By formula: (F^{-} 3N_{2}O) + N_{2}O = (F^{-} 4N_{2}O)

Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|

_{r}H° | 7.4 ± 0.3 | kcal/mol | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |

Quantity | Value | Units | Method | Reference | Comment |

_{r}S° | 24.4 | cal/mol*K | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |