Fluorine anion


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
gas,1 bar34.794cal/mol*KReviewChase, 1998Data 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

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Reactions 1 to 50

Fluorine anion + Boron trifluoride = (Fluorine anion • Boron trifluoride)

By formula: F- + BF3 = (F- • BF3)

Quantity Value Units Method Reference Comment
Δr82. ± 20.kcal/molAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Δr63.6 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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

Fluorine anion + Hydrogen cation = hydrogen fluoride

By formula: F- + H+ = HF

Quantity Value Units Method Reference Comment
Δr372. ± 1.kcal/molAVGN/AAverage of 6 out of 7 values; Individual data points
Quantity Value Units Method Reference Comment
Δr365.67 ± 0.18kcal/molH-TSBlondel, Delsart, et al., 2001gas phase; Given: 3.4011895(25) eV, or 27432.446(19) cm-1, or 78.433266(577) kcal/mol; B
Δr365.53kcal/molH-TSMartin and Hepburn, 2000gas 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
Δr365.67 ± 0.18kcal/molH-TSBlondel, Cacciani, et al., 1989gas phase; Reported: 3.401190±0.000004 eV. acidity includes 0.9 kcal 0 to 298 K correction.; B
Δr365.5 ± 2.0kcal/molIMREBierbaum, Schmidt, et al., 1981gas phase; B
Δr359.40kcal/molN/ACheck, Faust, et al., 2001gas phase; FeCl3-; ; ΔS(EA)=5.0; B

Fluorine anion + Sulfur dioxide = (Fluorine anion • Sulfur dioxide)

By formula: F- + O2S = (F- • O2S)

Quantity Value Units Method Reference Comment
Δr53.8 ± 2.2kcal/molCIDTLobring, Check, et al., 2003gas phase; B
Δr53.0 ± 2.5kcal/molCIDTSquires, 1992gas phase; B
Δr43.8kcal/molICRLarson and McMahon, 1985gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr43.8 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr59.kcal/molSAMSRobbiani and Franklin, 1979gas phase; Cl- + CO2ClF --> SO2F- + Cl2, ΔrH>; M
Quantity Value Units Method Reference Comment
Δr24.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr23.0cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr36.6kcal/molICRLarson and McMahon, 1985gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr36.9 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

Fluorine anion + Thionyl fluoride = (Fluorine anion • Thionyl fluoride)

By formula: F- + F2OS = (F- • F2OS)

Quantity Value Units Method Reference Comment
Δr35.8kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr37.4kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr37.4 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr24.2cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr30.2kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr30.2 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

ΔrG° (kcal/mol) T (K) Method Reference Comment
27.62988.ICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M

Fluorine anion + Phosphorus trifluoride = (Fluorine anion • Phosphorus trifluoride)

By formula: F- + F3P = (F- • F3P)

Quantity Value Units Method Reference Comment
Δr40.2kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr40.2 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr50.0 ± 5.0kcal/molIMRBSullivan and Beauchamp, 1978gas phase; Fluoride Affinity: < OPF3, > F, SF4, Me3SiF, HCN, SO2; B
Quantity Value Units Method Reference Comment
Δr25.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr25.5cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr32.6kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr32.6 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

Fluorine anion + hydrogen fluoride = (Fluorine anion • hydrogen fluoride)

By formula: F- + HF = (F- • HF)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr45.8 ± 1.6kcal/molCIDCWenthold and Squires, 1995gas phase; B
Δr38.6 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr>34.6 ± 4.6kcal/molTherHeni and Illenberger, 1985gas 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
Δr21.9cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr32.0 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

ΔrG° (kcal/mol) T (K) Method Reference Comment
32.0289.ICRLarson and McMahon, 1983gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M

Fluorine anion + Aluminum fluoride = (Fluorine anion • Aluminum fluoride)

By formula: F- + AlF3 = (F- • AlF3)

Quantity Value Units Method Reference Comment
Δr120. ± 20.kcal/molAVGN/AAverage of 7 values; Individual data points

Fluorine anion + F4U = (Fluorine anion • F4U)

By formula: F- + F4U = (F- • F4U)

Quantity Value Units Method Reference Comment
Δr101. ± 6.kcal/molAVGN/AAverage of 6 values; Individual data points

Fluorine anion + Phosphorus pentafluoride = (Fluorine anion • Phosphorus pentafluoride)

By formula: F- + F5P = (F- • F5P)

Quantity Value Units Method Reference Comment
Δr78.6 ± 3.3kcal/molTDAsAleshina, Borshchevskii, et al., 1996gas 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
Δr85. ± 10.kcal/molIMRELarson and McMahon, 1985gas 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
Δr101.0 ± 8.0kcal/molTherMallouk, Rosenthal, et al., 1984gas phase; Fluoride affinities from this method appear to be consistently about 10 kcal/mol too bound; B
Quantity Value Units Method Reference Comment
Δr74. ± 10.kcal/molIMRELarson and McMahon, 1985gas 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

Fluorine anion + Carbonic difluoride = (Fluorine anion • Carbonic difluoride)

By formula: F- + CF2O = (F- • CF2O)

Quantity Value Units Method Reference Comment
Δr42.6kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr42.6kcal/molICRLarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr29.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr29.0cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr34.0kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr34.0kcal/molICRLarson and McMahon, 1984gas phase; switching reaction(F-)PF3; M
Δr34.0kcal/molICRLarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M

Fluorine anion + Phosphoryl fluoride = (Fluorine anion • Phosphoryl fluoride)

By formula: F- + F3OP = (F- • F3OP)

Quantity Value Units Method Reference Comment
Δr47.9 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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
Δr48.0 ± 9.0kcal/molIMRBRhyne and Dillard, 1971gas phase; Fluoride Affinity: SF4>F3PO>SF5. Orignal value 32±10, now reval. with new affinities; B
Quantity Value Units Method Reference Comment
Δr26.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr40.1 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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

Fluorine anion + Sulfur tetrafluoride = (Fluorine anion • Sulfur tetrafluoride)

By formula: F- + F4S = (F- • F4S)

Quantity Value Units Method Reference Comment
Δr43.8kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr43.8kcal/molICRLarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr25.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr25.6cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr36.2kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr36.2kcal/molICRLarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M

Fluorine anion + Silicon tetrafluoride = (Fluorine anion • Silicon tetrafluoride)

By formula: F- + F4Si = (F- • F4Si)

Quantity Value Units Method Reference Comment
Δr>29.10 ± 0.50kcal/molN/AKawamata, Neigishi, et al., 1996gas phase; B
Δr68.0 ± 5.0kcal/molIMRBMurphy and Beauchamp, 1977gas phase; Fluoride Affinity: <BF3, >iPr2BF; B
Δr60.0 ± 4.0kcal/molIMRELarson and McMahon, 1985gas 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
Δr54.1 ± 4.0kcal/molIMRELarson and McMahon, 1985gas 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
Δr51.kcal/molICRLarson and McMahon, 1984gas phase; switching reaction(F-)H2O, DG+-2. kcal/mol; 70 ARS/YAM; M

(Fluorine anion • 4294967295Sulfur tetrafluoride) + Sulfur tetrafluoride = Fluorine anion

By formula: (F- • 4294967295F4S) + F4S = F-

Quantity Value Units Method Reference Comment
Δr54.9 ± 2.3kcal/molCIDTLobring, Check, et al., 2003, 2gas phase; B
Δr54.1 ± 6.5kcal/molTherLeffert, Tang, et al., 1974gas phase; From SF6; B
Δr>40.5 ± 3.4kcal/molIMRBBabcock and Streit, 1981gas phase; Fluoride Affinity: SF4 > SF5; B
Δr43.8 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr36.2 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

Fluorine anion + C3F6O = (Fluorine anion • C3F6O)

By formula: F- + C3F6O = (F- • C3F6O)

Quantity Value Units Method Reference Comment
Δr47.2 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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
Δr28.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr38.8 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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
Δr38.8kcal/molICRLarson and McMahon, 1984gas phase; switching reaction(F-)CF3COF; M

Fluorine anion + Borane, trimethyl- = (Fluorine anion • Borane, trimethyl-)

By formula: F- + C3H9B = (F- • C3H9B)

Quantity Value Units Method Reference Comment
Δr58.50kcal/molIMRBMurphy and Beauchamp, 1977, 2gas phase; MeSiF3>Me3B>SF4; B
Δr47.2 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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
Δr25.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr39.7 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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

Fluorine anion + Borane, triethyl- = (Fluorine anion • Borane, triethyl-)

By formula: F- + C6H15B = (F- • C6H15B)

Quantity Value Units Method Reference Comment
Δr62.00kcal/molIMRBMurphy and Beauchamp, 1977, 2gas phase; iPr3B>Et3B>MeSiF3; B
Δr51.0 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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
Δr25.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr43.5 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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

Fluorine anion + Trimethylsilyl fluoride = (Fluorine anion • Trimethylsilyl fluoride)

By formula: F- + C3H9FSi = (F- • C3H9FSi)

Quantity Value Units Method Reference Comment
Δr38.2 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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
Δr<54. ± 10.kcal/molIMRBMurphy and Beauchamp, 1977gas phase; B
Quantity Value Units Method Reference Comment
Δr22.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr31.6 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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

Fluorine anion + 1,1,1',1'-Tetrafluorodimethyl ether = (Fluorine anion • 1,1,1',1'-Tetrafluorodimethyl ether)

By formula: F- + C2H2F4O = (F- • C2H2F4O)

Quantity Value Units Method Reference Comment
Δr36.0 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr27.2cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr28.3kcal/molICRLarson and McMahon, 1984gas phase; switching reaction(F-)SO2F2; M
Δr27.9 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

Fluorine anion + Silane, trifluoromethyl- = (Fluorine anion • Silane, trifluoromethyl-)

By formula: F- + CH3F3Si = (F- • CH3F3Si)

Quantity Value Units Method Reference Comment
Δr61.5 ± 5.0kcal/molIMRBMurphy and Beauchamp, 1977gas phase; B
Δr50.5 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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
Δr25.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr43.0 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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

Fluorine anion + Sulfuryl fluoride = (Fluorine anion • Sulfuryl fluoride)

By formula: F- + F2O2S = (F- • F2O2S)

Quantity Value Units Method Reference Comment
Δr35.8 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr30.0 ± 6.0kcal/molTherGalembeck, Faigle, et al., 1978gas phase; B
Quantity Value Units Method Reference Comment
Δr27.5cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr27.6 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

Fluorine anion + Hydrogen sulfide = (Fluorine anion • Hydrogen sulfide)

By formula: F- + H2S = (F- • H2S)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr34.6 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr18.8cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr29.0 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

Fluorine anion + trifluoroarsine = (Fluorine anion • trifluoroarsine)

By formula: F- + AsF3 = (F- • AsF3)

Quantity Value Units Method Reference Comment
Δr48.2 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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
Δr24.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr41.0 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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

Fluorine anion + C2F4O = (Fluorine anion • C2F4O)

By formula: F- + C2F4O = (F- • C2F4O)

Quantity Value Units Method Reference Comment
Δr45.6 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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
Δr28.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr37.2 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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

Fluorine anion + C2F2O2 = (Fluorine anion • C2F2O2)

By formula: F- + C2F2O2 = (F- • C2F2O2)

Quantity Value Units Method Reference Comment
Δr45.7 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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
Δr29.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr37.0 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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

Fluorine anion + 2-Propanone, 1,1,1,3,3,3-hexafluoro- = (Fluorine anion • 2-Propanone, 1,1,1,3,3,3-hexafluoro-)

By formula: F- + C3F6O = (F- • C3F6O)

Quantity Value Units Method Reference Comment
Δr49.7 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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
Δr27.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr41.6 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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

Fluorine anion + C3F5N = (Fluorine anion • C3F5N)

By formula: F- + C3F5N = (F- • C3F5N)

Quantity Value Units Method Reference Comment
Δr30.1 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
Δr30.3kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr24.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr22.8cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr23.3 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
Δr23.1kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M

Fluorine anion + Phenol = (Fluorine anion • Phenol)

By formula: F- + C6H6O = (F- • C6H6O)

Quantity Value Units Method Reference Comment
Δr41.3 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr26.3cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr33.5 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

Fluorine anion + Ethanol, 2-fluoro- = (Fluorine anion • Ethanol, 2-fluoro-)

By formula: F- + C2H5FO = (F- • C2H5FO)

Quantity Value Units Method Reference Comment
Δr34.8 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr26.3cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr27.0 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

Fluorine anion + Formic acid = (Fluorine anion • Formic acid)

By formula: F- + CH2O2 = (F- • CH2O2)

Quantity Value Units Method Reference Comment
Δr45.3 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr24.2cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr38.1 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

Fluorine anion + Acetic acid = (Fluorine anion • Acetic acid)

By formula: F- + C2H4O2 = (F- • C2H4O2)

Quantity Value Units Method Reference Comment
Δr44.1 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr25.6cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr36.5 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

Fluorine anion + Hydrogen cyanide = (Fluorine anion • Hydrogen cyanide)

By formula: F- + CHN = (F- • CHN)

Quantity Value Units Method Reference Comment
Δr39.5 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr22.2cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr32.9 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

Fluorine anion + Methanethiol = (Fluorine anion • Methanethiol)

By formula: F- + CH4S = (F- • CH4S)

Quantity Value Units Method Reference Comment
Δr34.2 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr23.2cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr27.3 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

Fluorine anion + Ethanol, 2,2,2-trifluoro- = (Fluorine anion • Ethanol, 2,2,2-trifluoro-)

By formula: F- + C2H3F3O = (F- • C2H3F3O)

Quantity Value Units Method Reference Comment
Δr39.1 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr26.8cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr31.1 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

Fluorine anion + F3Sc = (Fluorine anion • F3Sc)

By formula: F- + F3Sc = (F- • F3Sc)

Quantity Value Units Method Reference Comment
Δr113.3 ± 3.6kcal/molTDAsBoltalina, Borshchevskii, et al., 1992gas phase; Critical review; value altered from reference due to conversion from electron convention to ion convention; B
Δr112.3 ± 2.4kcal/molTDEqNikitin, Igolkina, et al., 1986gas phase; Reanalyzed literature data, 4.3 kcal < AlF3; B
Δr116.5 ± 2.3kcal/molTDEqNikitin, Sidorov, et al., 1981gas phase; Fluoride Affinity: 4.1 kcal < AlF3; value altered from reference due to conversion from electron convention to ion convention; B
Δr118.2 ± 2.5kcal/molTDEqSkokan, Nikitin, et al., 1981gas phase; Fluoride Affinity: 2.5 kcal < AlF3.; value altered from reference due to conversion from electron convention to ion convention; B
Δr112.kcal/molMSPyatenko, Gusarov, et al., 1981gas phase; Knudsen cell; M

(Fluorine anion • Water) + Water = (Fluorine anion • 2Water)

By formula: (F- • H2O) + H2O = (F- • 2H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr19.20 ± 0.50kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; Stated electron affinity is the Vertical Detachment Energy; B,M
Δr16.6 ± 1.0kcal/molTDAsPayzant, Yamdagni, et al., 1971gas phase; B
Δr16.6 ± 1.0kcal/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B,M
Quantity Value Units Method Reference Comment
Δr22.2cal/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Δr18.7cal/mol*KHPMSArshadi, Yamdagni, et al., 1970gas phase; M
Quantity Value Units Method Reference Comment
Δr12.5 ± 1.6kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; Stated electron affinity is the Vertical Detachment Energy; B
Δr11.0 ± 1.4kcal/molTDAsPayzant, Yamdagni, et al., 1971gas phase; B
Δr11.00kcal/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B

Fluorine anion + C4H10BF = (Fluorine anion • C4H10BF)

By formula: F- + C4H10BF = (F- • C4H10BF)

Quantity Value Units Method Reference Comment
Δr64.00kcal/molIMRBMurphy and Beauchamp, 1977, 2gas phase; Fluoride Affinity: iPr3B > Et2BF > Et3B; B
Δr58.0 ± 5.0kcal/molIMRELarson and McMahon, 1985gas 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
Δr51.5 ± 5.0kcal/molIMRELarson and McMahon, 1985gas 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

Fluorine anion + Carbon dioxide = (Fluorine anion • Carbon dioxide)

By formula: F- + CO2 = (F- • CO2)

Quantity Value Units Method Reference Comment
Δr32.07kcal/molN/AArnold, Bradforth, et al., 1995gas phase; B
Δr32.3 ± 2.0kcal/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B,M
Δr31.7 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; B,M
Δr33.0 ± 3.0kcal/molIMREMcMahon and Northcott, 1978gas phase; B
Quantity Value Units Method Reference Comment
Δr26.7cal/mol*KPHPMSHiraoka, Mizuse, et al., 1987gas phase; M
Δr24.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr24.3 ± 2.0kcal/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B
Δr24.5 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; B,M
Δr11.6kcal/molFASpears and Ferguson, 1973gas phase; DG>; M

Fluorine anion + Sulfur tetrafluoride oxide = (Fluorine anion • Sulfur tetrafluoride oxide)

By formula: F- + F4OS = (F- • F4OS)

Quantity Value Units Method Reference Comment
Δr58.0 ± 3.0kcal/molIMRELarson and McMahon, 1987gas 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
Δr68. ± 10.kcal/molIMRBArnold, Miller, et al., 2002gas phase; B
Quantity Value Units Method Reference Comment
Δr52.7 ± 2.0kcal/molIMRELarson and McMahon, 1987gas 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

(Fluorine anion • 2Water) + Water = (Fluorine anion • 3Water)

By formula: (F- • 2H2O) + H2O = (F- • 3H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr15.30 ± 0.40kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Δr13.7 ± 1.0kcal/molTDAsPayzant, Yamdagni, et al., 1971gas phase; B
Δr13.7 ± 1.0kcal/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B,M
Quantity Value Units Method Reference Comment
Δr22.9cal/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Δr20.4cal/mol*KHPMSArshadi, Yamdagni, et al., 1970gas phase; M
Quantity Value Units Method Reference Comment
Δr8.4 ± 1.3kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B
Δr7.6 ± 1.4kcal/molTDAsPayzant, Yamdagni, et al., 1971gas phase; B
Δr7.60kcal/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B

Fluorine anion + AsFS- = (Fluorine anion • AsFS-)

By formula: F- + AsFS- = (F- • AsFS-)

Quantity Value Units Method Reference Comment
Δr56.0 ± 6.0kcal/molIMRBLarson and McMahon, 1987gas 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
Δr47.5 ± 6.0kcal/molIMRBLarson and McMahon, 1987gas 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

Fluorine anion + AsFO = (Fluorine anion • AsFO)

By formula: F- + AsFO = (F- • AsFO)

Quantity Value Units Method Reference Comment
Δr54.0 ± 7.0kcal/molIMRBLarson and McMahon, 1987gas 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
Δr48.0 ± 7.0kcal/molIMRBLarson and McMahon, 1987gas 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

Fluorine anion + Disulfur monoxide = (Fluorine anion • Disulfur monoxide)

By formula: F- + OS2 = (F- • OS2)

Quantity Value Units Method Reference Comment
Δr44.0 ± 3.0kcal/molIMRBLarson and McMahon, 1987gas 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
Δr37.0 ± 3.0kcal/molIMRBLarson and McMahon, 1987gas 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

Fluorine anion + C4H4F6O = (Fluorine anion • C4H4F6O)

By formula: F- + C4H4F6O = (F- • C4H4F6O)

Quantity Value Units Method Reference Comment
Δr46.0 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr37.9 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

Fluorine anion + 1,1,1,3,3,3-Hexafluoro-2-(trifluoromethyl)-2-propanol = (Fluorine anion • 1,1,1,3,3,3-Hexafluoro-2-(trifluoromethyl)-2-propanol)

By formula: F- + C4HF9O = (F- • C4HF9O)

Quantity Value Units Method Reference Comment
Δr56.3 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr47.9 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

Fluorine anion + Boric acid, trimethyl ester = (Fluorine anion • Boric acid, trimethyl ester)

By formula: F- + C3H9BO3 = (F- • C3H9BO3)

Quantity Value Units Method Reference Comment
Δr42.0 ± 4.0kcal/molIMRBLarson and McMahon, 1985gas 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
Δr34.0 ± 3.0kcal/molIMRBLarson and McMahon, 1985gas 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

Fluorine anion + Triethyl borate = (Fluorine anion • Triethyl borate)

By formula: F- + C6H15BO3 = (F- • C6H15BO3)

Quantity Value Units Method Reference Comment
Δr44.0 ± 3.0kcal/molIMRBLarson and McMahon, 1985gas 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
Δr36.6 ± 2.0kcal/molIMRBLarson and McMahon, 1985gas 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

Fluorine anion + fluorodimethoxyborane = (Fluorine anion • fluorodimethoxyborane)

By formula: F- + C2H6BFO2 = (F- • C2H6BFO2)

Quantity Value Units Method Reference Comment
Δr52.0 ± 5.0kcal/molIMRELarson and McMahon, 1985gas 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
Δr45.4 ± 5.0kcal/molIMRELarson and McMahon, 1985gas 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

Fluorine anion + 2-Propanol, 1,1,1,3,3,3-hexafluoro- = (Fluorine anion • 2-Propanol, 1,1,1,3,3,3-hexafluoro-)

By formula: F- + C3H2F6O = (F- • C3H2F6O)

Quantity Value Units Method Reference Comment
Δr47.0 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr38.9 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

Fluorine anion + FPS = F2PS-

By formula: F- + FPS = F2PS-

Quantity Value Units Method Reference Comment
Δr62.0 ± 5.0kcal/molIMRBLarson and McMahon, 1987gas 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
Δr56.0 ± 4.0kcal/molIMRBLarson and McMahon, 1987gas 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

Fluorine anion + Hydrogen cation = hydrogen fluoride

By formula: F- + H+ = HF

Quantity Value Units Method Reference Comment
Δr372. ± 1.kcal/molAVGN/AAverage of 6 out of 7 values; Individual data points
Quantity Value Units Method Reference Comment
Δr365.67 ± 0.18kcal/molH-TSBlondel, Delsart, et al., 2001gas phase; Given: 3.4011895(25) eV, or 27432.446(19) cm-1, or 78.433266(577) kcal/mol
Δr365.53kcal/molH-TSMartin and Hepburn, 2000gas 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
Δr365.67 ± 0.18kcal/molH-TSBlondel, Cacciani, et al., 1989gas phase; Reported: 3.401190±0.000004 eV. acidity includes 0.9 kcal 0 to 298 K correction.
Δr365.5 ± 2.0kcal/molIMREBierbaum, Schmidt, et al., 1981gas phase
Δr359.40kcal/molN/ACheck, Faust, et al., 2001gas phase; FeCl3-; ; ΔS(EA)=5.0

Ion clustering data

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

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

Fluorine anion = H2AlF2-

By formula: F- = H2AlF2-

Quantity Value Units Method Reference Comment
Δr97.5 ± 4.0kcal/molCIDTWilliams and Wenthold, 2011gas phase; B

Fluorine anion = H3AlF-

By formula: F- = H3AlF-

Quantity Value Units Method Reference Comment
Δr93. ± 50.kcal/molN/AWilliams and Wenthold, 2011gas phase; B

Fluorine anion + Aluminum chloride fluoride = (Fluorine anion • Aluminum chloride fluoride)

By formula: F- + AlClF2 = (F- • AlClF2)

Quantity Value Units Method Reference Comment
Δr117.4 ± 2.9kcal/molTDAsPervova, Korobov, et al., 1992gas phase; Thermo at 0K, experiments at 800-1100 K; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + Aluminum chloride fluoride = (Fluorine anion • Aluminum chloride fluoride)

By formula: F- + AlCl2F = (F- • AlCl2F)

Quantity Value Units Method Reference Comment
Δr119.3 ± 2.9kcal/molTDAsPervova, Korobov, et al., 1992gas phase; Thermo at 0K, experiments at 800-1100 K; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + AlCl3 = (Fluorine anion • AlCl3)

By formula: F- + AlCl3 = (F- • AlCl3)

Quantity Value Units Method Reference Comment
Δr120.9 ± 3.0kcal/molTDAsPervova, Korobov, et al., 1992gas phase; Thermo at 0K, experiments at 800-1100 K; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + Aluminum fluoride = (Fluorine anion • Aluminum fluoride)

By formula: F- + AlF3 = (F- • AlF3)

Quantity Value Units Method Reference Comment
Δr120. ± 20.kcal/molAVGN/AAverage of 7 values; Individual data points

(Fluorine anion • Aluminum fluoride) + Aluminum fluoride = (Fluorine anion • 2Aluminum fluoride)

By formula: (F- • AlF3) + AlF3 = (F- • 2AlF3)

Quantity Value Units Method Reference Comment
Δr56.kcal/molMSPyatenko, Gusarov, et al., 1981gas phase; Knudsen cell; M
Δr48.8kcal/molMSNikitin, Skokan, et al., 1979gas phase; Knudsen cell; M

Fluorine anion + Argon = ArF-

By formula: F- + Ar = ArF-

Quantity Value Units Method Reference Comment
Δr2.00kcal/molTDAsWada, Kikkawa, et al., 2007gas phase; Entropy estimated; B
Quantity Value Units Method Reference Comment
Δr-3.96kcal/molTDAsWada, Kikkawa, et al., 2007gas phase; Entropy estimated; B

Fluorine anion + AsFO = (Fluorine anion • AsFO)

By formula: F- + AsFO = (F- • AsFO)

Quantity Value Units Method Reference Comment
Δr54.0 ± 7.0kcal/molIMRBLarson and McMahon, 1987gas 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
Δr48.0 ± 7.0kcal/molIMRBLarson and McMahon, 1987gas 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

Fluorine anion + AsFS- = (Fluorine anion • AsFS-)

By formula: F- + AsFS- = (F- • AsFS-)

Quantity Value Units Method Reference Comment
Δr56.0 ± 6.0kcal/molIMRBLarson and McMahon, 1987gas 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
Δr47.5 ± 6.0kcal/molIMRBLarson and McMahon, 1987gas 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

Fluorine anion + trifluoroarsine = (Fluorine anion • trifluoroarsine)

By formula: F- + AsF3 = (F- • AsF3)

Quantity Value Units Method Reference Comment
Δr48.2 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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
Δr24.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr41.0 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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

Fluorine anion + pentafluoroarsorane = (Fluorine anion • pentafluoroarsorane)

By formula: F- + AsF5 = (F- • AsF5)

Quantity Value Units Method Reference Comment
Δr>85. ± 10.kcal/molN/AHaartz and McDaniel, 1973gas phase; Greater than BCl3; B
Quantity Value Units Method Reference Comment
Δr>74. ± 10.kcal/molIMRBHaartz and McDaniel, 1973gas phase; Greater than BCl3; B

Fluorine anion + AuF3 = (Fluorine anion • AuF3)

By formula: F- + AuF3 = (F- • AuF3)

Quantity Value Units Method Reference Comment
Δr101.8 ± 6.0kcal/molTDEqChilingarov, Korobov, et al., 1986gas phase; Fluoride Affinity: 1.2±5.0 kcal/mol > MnF3; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + Boron trichloride = (Fluorine anion • Boron trichloride)

By formula: F- + BCl3 = (F- • BCl3)

Quantity Value Units Method Reference Comment
Δr>85. ± 10.kcal/molIMRBHaartz and McDaniel, 1973gas phase; Greater than PF5 ( Larson and McMahon, 1985); B
Δr>40.50kcal/molTherStockdale, Nelson, et al., 1972gas phase; Fluoride Affinity: > SF5; new value of latter from Grimsrud, Chowdhury, et al., 1985; B
Quantity Value Units Method Reference Comment
Δr>74. ± 10.kcal/molIMRBHaartz and McDaniel, 1973gas phase; Greater than PF5 ( Larson and McMahon, 1985); B

Fluorine anion + BFO = (Fluorine anion • BFO)

By formula: F- + BFO = (F- • BFO)

Quantity Value Units Method Reference Comment
Δr48. ± 3.kcal/molICRLarson and McMahon, 1987gas phase; bracketing; M

Fluorine anion + Boron trifluoride = (Fluorine anion • Boron trifluoride)

By formula: F- + BF3 = (F- • BF3)

Quantity Value Units Method Reference Comment
Δr82. ± 20.kcal/molAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Δr63.6 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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

Fluorine anion + BeF2 = (Fluorine anion • BeF2)

By formula: F- + BeF2 = (F- • BeF2)

Quantity Value Units Method Reference Comment
Δr97.3 ± 2.3kcal/molTDEqNikitin, Sorokin, et al., 1980gas phase; Fluoride Affinity: 19.9±1.7 kcal < AlF3; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + Be2F4 = (Fluorine anion • Be2F4)

By formula: F- + Be2F4 = (F- • Be2F4)

Quantity Value Units Method Reference Comment
Δr111.0 ± 2.0kcal/molTDEqNikitin, Sorokin, et al., 1980gas phase; Fluoride Affinity of Be2F4: 6.3±2 kcal < AlF3; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + Carbonic difluoride = (Fluorine anion • Carbonic difluoride)

By formula: F- + CF2O = (F- • CF2O)

Quantity Value Units Method Reference Comment
Δr42.6kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr42.6kcal/molICRLarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr29.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr29.0cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr34.0kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr34.0kcal/molICRLarson and McMahon, 1984gas phase; switching reaction(F-)PF3; M
Δr34.0kcal/molICRLarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M

Fluorine anion + Tetrafluoromethane = (Fluorine anion • Tetrafluoromethane)

By formula: F- + CF4 = (F- • CF4)

Quantity Value Units Method Reference Comment
Δr6.4kcal/molPHPMSHiraoka, Nasu, et al., 1995gas phase; M
Quantity Value Units Method Reference Comment
Δr22.cal/mol*KPHPMSHiraoka, Nasu, et al., 1995gas phase; M

(Fluorine anion • Tetrafluoromethane) + Tetrafluoromethane = (Fluorine anion • 2Tetrafluoromethane)

By formula: (F- • CF4) + CF4 = (F- • 2CF4)

Quantity Value Units Method Reference Comment
Δr5.9kcal/molPHPMSHiraoka, Nasu, et al., 1995gas phase; M
Quantity Value Units Method Reference Comment
Δr22.cal/mol*KPHPMSHiraoka, Nasu, et al., 1995gas phase; M

(Fluorine anion • 2Tetrafluoromethane) + Tetrafluoromethane = (Fluorine anion • 3Tetrafluoromethane)

By formula: (F- • 2CF4) + CF4 = (F- • 3CF4)

Quantity Value Units Method Reference Comment
Δr4.1kcal/molPHPMSHiraoka, Nasu, et al., 1995gas phase; M
Quantity Value Units Method Reference Comment
Δr17.cal/mol*KPHPMSHiraoka, Nasu, et al., 1995gas phase; M

(Fluorine anion • 3Tetrafluoromethane) + Tetrafluoromethane = (Fluorine anion • 4Tetrafluoromethane)

By formula: (F- • 3CF4) + CF4 = (F- • 4CF4)

Quantity Value Units Method Reference Comment
Δr3.9kcal/molPHPMSHiraoka, Nasu, et al., 1995gas phase; M
Quantity Value Units Method Reference Comment
Δr19.cal/mol*KPHPMSHiraoka, Nasu, et al., 1995gas phase; M

(Fluorine anion • 4Tetrafluoromethane) + Tetrafluoromethane = (Fluorine anion • 5Tetrafluoromethane)

By formula: (F- • 4CF4) + CF4 = (F- • 5CF4)

Quantity Value Units Method Reference Comment
Δr2.4kcal/molPHPMSHiraoka, Nasu, et al., 1995gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr19.cal/mol*KN/AHiraoka, Nasu, et al., 1995gas phase; Entropy change calculated or estimated; M

Fluorine anion + CHFO = (Fluorine anion • CHFO)

By formula: F- + CHFO = (F- • CHFO)

Quantity Value Units Method Reference Comment
Δr>18.10kcal/molIMRBKarpas and Klein, 1977gas phase; FCO- + HCFO ->. Computations indicate HOF(A-) ca. -134, dHaff ca. 33 kcal/mol; B

Fluorine anion + Fluoroform = (Fluorine anion • Fluoroform)

By formula: F- + CHF3 = (F- • CHF3)

Quantity Value Units Method Reference Comment
Δr27.1 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
Quantity Value Units Method Reference Comment
Δr25.2cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr19.6 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M

Fluorine anion + Hydrogen cyanide = (Fluorine anion • Hydrogen cyanide)

By formula: F- + CHN = (F- • CHN)

Quantity Value Units Method Reference Comment
Δr39.5 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr22.2cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr32.9 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

Fluorine anion + F2Si=CH2 = (Fluorine anion • F2Si=CH2)

By formula: F- + CH2F2Si = (F- • CH2F2Si)

Quantity Value Units Method Reference Comment
Δr46. ± 2.kcal/molICRAllison and McMahon, 1990gas phase; bracketing; M

Fluorine anion + Formic acid = (Fluorine anion • Formic acid)

By formula: F- + CH2O2 = (F- • CH2O2)

Quantity Value Units Method Reference Comment
Δr45.3 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr24.2cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr38.1 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

Fluorine anion + Methoxydifluoroborane = (Fluorine anion • Methoxydifluoroborane)

By formula: F- + CH3BF2O = (F- • CH3BF2O)

Quantity Value Units Method Reference Comment
Δr62.kcal/molICRLarson and McMahon, 1985gas phase; ΔrH>, bracketing; M

Fluorine anion + Silane, trifluoromethyl- = (Fluorine anion • Silane, trifluoromethyl-)

By formula: F- + CH3F3Si = (F- • CH3F3Si)

Quantity Value Units Method Reference Comment
Δr61.5 ± 5.0kcal/molIMRBMurphy and Beauchamp, 1977gas phase; B
Δr50.5 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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
Δr25.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr43.0 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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

Fluorine anion + Methyl Alcohol = CH3D4FO-

By formula: F- + CH4O = CH3D4FO-

Quantity Value Units Method Reference Comment
Δr29.8 ± 2.0kcal/molTDEqWilkinson, Szulejko, et al., 1992gas phase; Reported relative to ROH..F-, 0.5 kcal/mol weaker.; B
Quantity Value Units Method Reference Comment
Δr22.4 ± 2.0kcal/molTDEqWilkinson, Szulejko, et al., 1992gas phase; Reported relative to ROH..F-, 0.5 kcal/mol weaker.; B

Fluorine anion + Methyl Alcohol = (Fluorine anion • Methyl Alcohol)

By formula: F- + CH4O = (F- • CH4O)

Quantity Value Units Method Reference Comment
Δr29.6 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
Δr29.4 ± 2.2kcal/molCIDTDeTuri and Ervin, 1999gas phase; B
Δr23.3 ± 2.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr25.0cal/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Δr22.6cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr22.8 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
Δr15.8 ± 2.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B

(Fluorine anion • Methyl Alcohol) + Methyl Alcohol = (Fluorine anion • 2Methyl Alcohol)

By formula: (F- • CH4O) + CH4O = (F- • 2CH4O)

Quantity Value Units Method Reference Comment
Δr20.30 ± 0.30kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr19.3 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr23.2cal/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr12.97kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr12.4 ± 2.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B

(Fluorine anion • 2Methyl Alcohol) + Methyl Alcohol = (Fluorine anion • 3Methyl Alcohol)

By formula: (F- • 2CH4O) + CH4O = (F- • 3CH4O)

Quantity Value Units Method Reference Comment
Δr15.10 ± 0.60kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr14.5 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr21.2cal/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr8.06kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr8.2 ± 2.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B

(Fluorine anion • 3Methyl Alcohol) + Methyl Alcohol = (Fluorine anion • 4Methyl Alcohol)

By formula: (F- • 3CH4O) + CH4O = (F- • 4CH4O)

Quantity Value Units Method Reference Comment
Δr12.5 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr23.5cal/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr5.5 ± 2.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B

(Fluorine anion • 4Methyl Alcohol) + Methyl Alcohol = (Fluorine anion • 5Methyl Alcohol)

By formula: (F- • 4CH4O) + CH4O = (F- • 5CH4O)

Quantity Value Units Method Reference Comment
Δr11.9 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr27.3cal/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr3.8 ± 2.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B

(Fluorine anion • 5Methyl Alcohol) + Methyl Alcohol = (Fluorine anion • 6Methyl Alcohol)

By formula: (F- • 5CH4O) + CH4O = (F- • 6CH4O)

Quantity Value Units Method Reference Comment
Δr11.5 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr29.8cal/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr2.6 ± 2.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B

(Fluorine anion • 6Methyl Alcohol) + Methyl Alcohol = (Fluorine anion • 7Methyl Alcohol)

By formula: (F- • 6CH4O) + CH4O = (F- • 7CH4O)

Quantity Value Units Method Reference Comment
Δr9.8 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr25.5cal/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr2.2 ± 2.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B

(Fluorine anion • 7Methyl Alcohol) + Methyl Alcohol = (Fluorine anion • 8Methyl Alcohol)

By formula: (F- • 7CH4O) + CH4O = (F- • 8CH4O)

Quantity Value Units Method Reference Comment
Δr9.7 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr26.8cal/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr1.7 ± 2.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B

(Fluorine anion • 8Methyl Alcohol) + Methyl Alcohol = (Fluorine anion • 9Methyl Alcohol)

By formula: (F- • 8CH4O) + CH4O = (F- • 9CH4O)

Quantity Value Units Method Reference Comment
Δr9.2 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr25.7cal/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr1.5 ± 2.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B

(Fluorine anion • 9Methyl Alcohol) + Methyl Alcohol = (Fluorine anion • 10Methyl Alcohol)

By formula: (F- • 9CH4O) + CH4O = (F- • 10CH4O)

Quantity Value Units Method Reference Comment
Δr8.8 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr25.1cal/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr1.3 ± 2.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B

(Fluorine anion • 10Methyl Alcohol) + Methyl Alcohol = (Fluorine anion • 11Methyl Alcohol)

By formula: (F- • 10CH4O) + CH4O = (F- • 11CH4O)

Quantity Value Units Method Reference Comment
Δr8.6 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr25.5cal/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr1.0 ± 2.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B

(Fluorine anion • 11Methyl Alcohol) + Methyl Alcohol = (Fluorine anion • 12Methyl Alcohol)

By formula: (F- • 11CH4O) + CH4O = (F- • 12CH4O)

Quantity Value Units Method Reference Comment
Δr8.5 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; Entropy estimated.; B,M
Quantity Value Units Method Reference Comment
Δr25.cal/mol*KN/AHiraoka and Yamabe, 1991gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr1.1 ± 2.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; Entropy estimated.; B

Fluorine anion + Methanethiol = (Fluorine anion • Methanethiol)

By formula: F- + CH4S = (F- • CH4S)

Quantity Value Units Method Reference Comment
Δr34.2 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr23.2cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr27.3 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

Fluorine anion + Methane = CH4F-

By formula: F- + CH4 = CH4F-

Quantity Value Units Method Reference Comment
Δr6.70kcal/molN/AHiraoka, Mizuno, et al., 2001gas phase; B
Quantity Value Units Method Reference Comment
Δr1.63kcal/molTDAsHiraoka, Mizuno, et al., 2001gas phase; B

Fluorine anion + Carbonyl sulfide = (Fluorine anion • Carbonyl sulfide)

By formula: F- + COS = (F- • COS)

Quantity Value Units Method Reference Comment
Δr31.8 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; B,M
Quantity Value Units Method Reference Comment
Δr24.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr24.6 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; B,M

Fluorine anion + Carbon dioxide = (Fluorine anion • Carbon dioxide)

By formula: F- + CO2 = (F- • CO2)

Quantity Value Units Method Reference Comment
Δr32.07kcal/molN/AArnold, Bradforth, et al., 1995gas phase; B
Δr32.3 ± 2.0kcal/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B,M
Δr31.7 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; B,M
Δr33.0 ± 3.0kcal/molIMREMcMahon and Northcott, 1978gas phase; B
Quantity Value Units Method Reference Comment
Δr26.7cal/mol*KPHPMSHiraoka, Mizuse, et al., 1987gas phase; M
Δr24.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr24.3 ± 2.0kcal/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B
Δr24.5 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; B,M
Δr11.6kcal/molFASpears and Ferguson, 1973gas phase; DG>; M

(Fluorine anion • Carbon dioxide) + Carbon dioxide = (Fluorine anion • 2Carbon dioxide)

By formula: (F- • CO2) + CO2 = (F- • 2CO2)

Quantity Value Units Method Reference Comment
Δr7.3 ± 1.0kcal/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Δr18.2cal/mol*KPHPMSHiraoka, Mizuse, et al., 1987gas phase; M
Quantity Value Units Method Reference Comment
Δr1.9 ± 2.0kcal/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B

(Fluorine anion • 2Carbon dioxide) + Carbon dioxide = (Fluorine anion • 3Carbon dioxide)

By formula: (F- • 2CO2) + CO2 = (F- • 3CO2)

Quantity Value Units Method Reference Comment
Δr7.2 ± 1.0kcal/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Δr22.6cal/mol*KPHPMSHiraoka, Mizuse, et al., 1987gas phase; M
Quantity Value Units Method Reference Comment
Δr0.5 ± 2.0kcal/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B

(Fluorine anion • 3Carbon dioxide) + Carbon dioxide = (Fluorine anion • 4Carbon dioxide)

By formula: (F- • 3CO2) + CO2 = (F- • 4CO2)

Quantity Value Units Method Reference Comment
Δr5.8 ± 1.0kcal/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Δr20.3cal/mol*KPHPMSHiraoka, Mizuse, et al., 1987gas phase; M
Quantity Value Units Method Reference Comment
Δr-0.2 ± 2.0kcal/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B

(Fluorine anion • 4Carbon dioxide) + Carbon dioxide = (Fluorine anion • 5Carbon dioxide)

By formula: (F- • 4CO2) + CO2 = (F- • 5CO2)

Quantity Value Units Method Reference Comment
Δr5.6 ± 1.0kcal/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Δr22.3cal/mol*KPHPMSHiraoka, Mizuse, et al., 1987gas phase; M
Quantity Value Units Method Reference Comment
Δr-1.0 ± 2.0kcal/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B

(Fluorine anion • 5Carbon dioxide) + Carbon dioxide = (Fluorine anion • 6Carbon dioxide)

By formula: (F- • 5CO2) + CO2 = (F- • 6CO2)

Quantity Value Units Method Reference Comment
Δr5.3 ± 1.0kcal/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Δr22.5cal/mol*KPHPMSHiraoka, Mizuse, et al., 1987gas phase; M
Quantity Value Units Method Reference Comment
Δr-1.4 ± 2.0kcal/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B

(Fluorine anion • 6Carbon dioxide) + Carbon dioxide = (Fluorine anion • 7Carbon dioxide)

By formula: (F- • 6CO2) + CO2 = (F- • 7CO2)

Quantity Value Units Method Reference Comment
Δr3.9kcal/molPHPMSHiraoka, Mizuse, et al., 1987gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr18.cal/mol*KN/AHiraoka, Mizuse, et al., 1987gas phase; Entropy change calculated or estimated; M

Fluorine anion + Carbon disulfide = (Fluorine anion • Carbon disulfide)

By formula: F- + CS2 = (F- • CS2)

Quantity Value Units Method Reference Comment
Δr35.0 ± 1.5kcal/molTDAsHiraoka, Fujimaki, et al., 1993gas phase; B,M
Δr31.3 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; B
Quantity Value Units Method Reference Comment
Δr28.2cal/mol*KPHPMSHiraoka, Fujimaki, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Δr26.5 ± 1.5kcal/molTDAsHiraoka, Fujimaki, et al., 1993gas phase; B
Δr24.1 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; B

(Fluorine anion • Carbon disulfide) + Carbon disulfide = (Fluorine anion • 2Carbon disulfide)

By formula: (F- • CS2) + CS2 = (F- • 2CS2)

Quantity Value Units Method Reference Comment
Δr6.70 ± 0.20kcal/molTDAsHiraoka, Fujimaki, et al., 1993gas phase; B,M
Quantity Value Units Method Reference Comment
Δr15.3cal/mol*KPHPMSHiraoka, Fujimaki, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Δr2.1 ± 1.0kcal/molTDAsHiraoka, Fujimaki, et al., 1993gas phase; B

(Fluorine anion • 2Carbon disulfide) + Carbon disulfide = (Fluorine anion • 3Carbon disulfide)

By formula: (F- • 2CS2) + CS2 = (F- • 3CS2)

Quantity Value Units Method Reference Comment
Δr5.4 ± 1.0kcal/molTDAsHiraoka, Fujimaki, et al., 1993gas phase; Estimated entropy; single temperature measurement; B,M
Quantity Value Units Method Reference Comment
Δr17.cal/mol*KN/AHiraoka, Fujimaki, et al., 1993gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr0.3 ± 1.0kcal/molTDAsHiraoka, Fujimaki, et al., 1993gas phase; Estimated entropy; single temperature measurement; B

Fluorine anion + C2F2O2 = (Fluorine anion • C2F2O2)

By formula: F- + C2F2O2 = (F- • C2F2O2)

Quantity Value Units Method Reference Comment
Δr45.7 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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
Δr29.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr37.0 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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

Fluorine anion + Acetonitrile, trifluoro- = (Fluorine anion • Acetonitrile, trifluoro-)

By formula: F- + C2F3N = (F- • C2F3N)

Quantity Value Units Method Reference Comment
Δr29.2 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; B,M
Quantity Value Units Method Reference Comment
Δr24.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr21.9 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; B,M

Fluorine anion + C2F4O = (Fluorine anion • C2F4O)

By formula: F- + C2F4O = (F- • C2F4O)

Quantity Value Units Method Reference Comment
Δr45.6 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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
Δr28.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr37.2 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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

Fluorine anion + Ethene, trifluoro- = (Fluorine anion • Ethene, trifluoro-)

By formula: F- + C2HF3 = (F- • C2HF3)

Quantity Value Units Method Reference Comment
Δr26.3 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
Δr24.3 ± 6.0kcal/molIMRBSullivan and Beauchamp, 1976gas phase; B
Quantity Value Units Method Reference Comment
Δr25.6cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr18.7 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M

Fluorine anion + Pentafluorodimethyl ether = (Fluorine anion • Pentafluorodimethyl ether)

By formula: F- + C2HF5O = (F- • C2HF5O)

Quantity Value Units Method Reference Comment
Δr27.0 ± 2.0kcal/molIMRELarson and McMahon, 1984gas phase; B,M

Fluorine anion + Ethane, pentafluoro- = (Fluorine anion • Ethane, pentafluoro-)

By formula: F- + C2HF5 = (F- • C2HF5)

Quantity Value Units Method Reference Comment
Δr30.4 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
Quantity Value Units Method Reference Comment
Δr26.6cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr22.5 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M

Fluorine anion + Ethene, 1,1-difluoro- = (Fluorine anion • Ethene, 1,1-difluoro-)

By formula: F- + C2H2F2 = (F- • C2H2F2)

Quantity Value Units Method Reference Comment
Δr26.7 ± 5.0kcal/molTherSullivan and Beauchamp, 1976gas phase; From CH3CF3; B

Fluorine anion + 1,1,1',1'-Tetrafluorodimethyl ether = (Fluorine anion • 1,1,1',1'-Tetrafluorodimethyl ether)

By formula: F- + C2H2F4O = (F- • C2H2F4O)

Quantity Value Units Method Reference Comment
Δr36.0 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr27.2cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr28.3kcal/molICRLarson and McMahon, 1984gas phase; switching reaction(F-)SO2F2; M
Δr27.9 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

Fluorine anion + Ketene = (Fluorine anion • Ketene)

By formula: F- + C2H2O = (F- • C2H2O)

Quantity Value Units Method Reference Comment
Δr35.3kcal/molICRLarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr26.5cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr27.4kcal/molICRLarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M

Fluorine anion + Ethene, fluoro- = (Fluorine anion • Ethene, fluoro-)

By formula: F- + C2H3F = (F- • C2H3F)

Quantity Value Units Method Reference Comment
Δr15.6 ± 4.0kcal/molIMRBSullivan and Beauchamp, 1976gas phase; B

Fluorine anion + Ethanol, 2,2,2-trifluoro- = C2H2D3F4O-

By formula: F- + C2H3F3O = C2H2D3F4O-

Quantity Value Units Method Reference Comment
Δr30.5 ± 2.0kcal/molIMREWilkinson, Szulejko, et al., 1992gas phase; Reported relative to ROH..F-, 0.5 kcal/mol weaker.; B

Fluorine anion + Ethanol, 2,2,2-trifluoro- = (Fluorine anion • Ethanol, 2,2,2-trifluoro-)

By formula: F- + C2H3F3O = (F- • C2H3F3O)

Quantity Value Units Method Reference Comment
Δr39.1 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr26.8cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr31.1 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

Fluorine anion + 1,1,2-Trifluoroethane = (Fluorine anion • 1,1,2-Trifluoroethane)

By formula: F- + C2H3F3 = (F- • C2H3F3)

Quantity Value Units Method Reference Comment
Δr26.5kcal/molICRLarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr25.9cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr18.8kcal/molICRLarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M

Fluorine anion + Acetonitrile = (Fluorine anion • Acetonitrile)

By formula: F- + C2H3N = (F- • C2H3N)

Quantity Value Units Method Reference Comment
Δr24.5 ± 2.0kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; Discrepancy with Yamdagni and Kebarle, 1972 "not resolved; B,M
Δr16.0 ± 2.0kcal/molTDAsYamdagni and Kebarle, 1972gas phase; B,M
Quantity Value Units Method Reference Comment
Δr22.9cal/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Δr13.4cal/mol*KPHPMSYamdagni and Kebarle, 1972gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr17.6 ± 3.3kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; Discrepancy with Yamdagni and Kebarle, 1972 "not resolved; B
Δr12.0 ± 2.0kcal/molTDAsYamdagni and Kebarle, 1972gas phase; B

(Fluorine anion • Acetonitrile) + Acetonitrile = (Fluorine anion • 2Acetonitrile)

By formula: (F- • C2H3N) + C2H3N = (F- • 2C2H3N)

Quantity Value Units Method Reference Comment
Δr17.7 ± 1.5kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Δr12.90kcal/molTDAsYamdagni and Kebarle, 1972gas phase; B,M
Quantity Value Units Method Reference Comment
Δr22.9cal/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Δr14.8cal/mol*KPHPMSYamdagni and Kebarle, 1972gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr10.8 ± 3.4kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B
Δr8.50kcal/molTDAsYamdagni and Kebarle, 1972gas phase; B

(Fluorine anion • 2Acetonitrile) + Acetonitrile = (Fluorine anion • 3Acetonitrile)

By formula: (F- • 2C2H3N) + C2H3N = (F- • 3C2H3N)

Quantity Value Units Method Reference Comment
Δr15.1 ± 1.0kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Δr11.70kcal/molTDAsYamdagni and Kebarle, 1972gas phase; B,M
Quantity Value Units Method Reference Comment
Δr22.4cal/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Δr17.9cal/mol*KPHPMSYamdagni and Kebarle, 1972gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr8.4 ± 2.5kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B
Δr6.40kcal/molTDAsYamdagni and Kebarle, 1972gas phase; B

(Fluorine anion • 3Acetonitrile) + Acetonitrile = (Fluorine anion • 4Acetonitrile)

By formula: (F- • 3C2H3N) + C2H3N = (F- • 4C2H3N)

Quantity Value Units Method Reference Comment
Δr12.80 ± 0.50kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Δr10.40kcal/molTDAsYamdagni and Kebarle, 1972gas phase; B,M
Quantity Value Units Method Reference Comment
Δr26.3cal/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Δr19.6cal/mol*KPHPMSYamdagni and Kebarle, 1972gas phase; M
Quantity Value Units Method Reference Comment
Δr4.9 ± 1.9kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B
Δr4.50kcal/molTDAsYamdagni and Kebarle, 1972gas phase; B

(Fluorine anion • 4Acetonitrile) + Acetonitrile = (Fluorine anion • 5Acetonitrile)

By formula: (F- • 4C2H3N) + C2H3N = (F- • 5C2H3N)

Quantity Value Units Method Reference Comment
Δr11.50 ± 0.20kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Δr5.30kcal/molTDAsYamdagni and Kebarle, 1972gas phase; B,M
Quantity Value Units Method Reference Comment
Δr29.6cal/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Δr7.4cal/mol*KPHPMSYamdagni and Kebarle, 1972gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr2.60 ± 0.80kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B
Δr3.10kcal/molTDAsYamdagni and Kebarle, 1972gas phase; B

(Fluorine anion • 5Acetonitrile) + Acetonitrile = (Fluorine anion • 6Acetonitrile)

By formula: (F- • 5C2H3N) + C2H3N = (F- • 6C2H3N)

Quantity Value Units Method Reference Comment
Δr9.70 ± 0.20kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Δr27.8cal/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Quantity Value Units Method Reference Comment
Δr1.40 ± 0.90kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B

(Fluorine anion • 6Acetonitrile) + Acetonitrile = (Fluorine anion • 7Acetonitrile)

By formula: (F- • 6C2H3N) + C2H3N = (F- • 7C2H3N)

Quantity Value Units Method Reference Comment
Δr8.50kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; Entropy estimated; B,M
Quantity Value Units Method Reference Comment
Δr28.cal/mol*KN/AHiraoka, Mizuse, et al., 1988gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr0.10kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; Entropy estimated; B

Fluorine anion + 2,2,2-Trifluoroethylamine = (Fluorine anion • 2,2,2-Trifluoroethylamine)

By formula: F- + C2H4F3N = (F- • C2H4F3N)

Quantity Value Units Method Reference Comment
Δr28.1 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
Quantity Value Units Method Reference Comment
Δr26.0cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr20.3 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M

Fluorine anion + Acetic acid = (Fluorine anion • Acetic acid)

By formula: F- + C2H4O2 = (F- • C2H4O2)

Quantity Value Units Method Reference Comment
Δr44.1 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr25.6cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr36.5 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

Fluorine anion + Ethylene = (Fluorine anion • Ethylene)

By formula: F- + C2H4 = (F- • C2H4)

Quantity Value Units Method Reference Comment
Δr6.0 ± 3.0kcal/molIMRBSullivan and Beauchamp, 1976gas phase; Structure: Roy and McMahon, 1985; B

Fluorine anion + Ethanol, 2-fluoro- = C2H4D5F2O-

By formula: F- + C2H5FO = C2H4D5F2O-

Quantity Value Units Method Reference Comment
Δr26.5 ± 2.0kcal/molIMREWilkinson, Szulejko, et al., 1992gas phase; Reported relative to ROH..F-, 0.5 kcal/mol weaker.; B

Fluorine anion + Ethanol, 2-fluoro- = (Fluorine anion • Ethanol, 2-fluoro-)

By formula: F- + C2H5FO = (F- • C2H5FO)

Quantity Value Units Method Reference Comment
Δr34.8 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr26.3cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr27.0 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

Fluorine anion + F(CH3)Si=CH2 = (Fluorine anion • F(CH3)Si=CH2)

By formula: F- + C2H5FSi = (F- • C2H5FSi)

Quantity Value Units Method Reference Comment
Δr40. ± 2.kcal/molICRAllison and McMahon, 1990gas phase; bracketing; M

Fluorine anion + fluorodimethoxyborane = (Fluorine anion • fluorodimethoxyborane)

By formula: F- + C2H6BFO2 = (F- • C2H6BFO2)

Quantity Value Units Method Reference Comment
Δr52.0 ± 5.0kcal/molIMRELarson and McMahon, 1985gas 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
Δr45.4 ± 5.0kcal/molIMRELarson and McMahon, 1985gas 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

Fluorine anion + C2H6BF = (Fluorine anion • C2H6BF)

By formula: F- + C2H6BF = (F- • C2H6BF)

Quantity Value Units Method Reference Comment
Δr61.80kcal/molIMRBMurphy and Beauchamp, 1977, 2gas phase; Fluoride Affinity: Et3B > Me2BF > MeSiF3 > Me3B > SF4; B

Fluorine anion + Silane, difluorodimethyl- = (Fluorine anion • Silane, difluorodimethyl-)

By formula: F- + C2H6F2Si = (F- • C2H6F2Si)

Quantity Value Units Method Reference Comment
Δr55.5 ± 5.0kcal/molIMRBMurphy and Beauchamp, 1977gas phase; Fluoride Affinity: SF4<Me2SiF2<Me3B; B

Fluorine anion + Ethanol = C2H5D6FO-

By formula: F- + C2H6O = C2H5D6FO-

Quantity Value Units Method Reference Comment
Δr23.7 ± 2.0kcal/molIMREWilkinson, Szulejko, et al., 1992gas phase; Reported relative to ROH..F-, 0.5 kcal/mol weaker.; B

Fluorine anion + Ethanol = (Fluorine anion • Ethanol)

By formula: F- + C2H6O = (F- • C2H6O)

Quantity Value Units Method Reference Comment
Δr32.40 ± 0.70kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr31.5 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
Δr32.5 ± 2.2kcal/molCIDTDeTuri and Ervin, 1999gas phase; B
Quantity Value Units Method Reference Comment
Δr24.9cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr24.74kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr24.1 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M

Fluorine anion + C3F5N = (Fluorine anion • C3F5N)

By formula: F- + C3F5N = (F- • C3F5N)

Quantity Value Units Method Reference Comment
Δr30.1 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
Δr30.3kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr24.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr22.8cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr23.3 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
Δr23.1kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M

Fluorine anion + C3F6O = (Fluorine anion • C3F6O)

By formula: F- + C3F6O = (F- • C3F6O)

Quantity Value Units Method Reference Comment
Δr47.2 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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
Δr28.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr38.8 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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
Δr38.8kcal/molICRLarson and McMahon, 1984gas phase; switching reaction(F-)CF3COF; M

Fluorine anion + 2-Propanone, 1,1,1,3,3,3-hexafluoro- = (Fluorine anion • 2-Propanone, 1,1,1,3,3,3-hexafluoro-)

By formula: F- + C3F6O = (F- • C3F6O)

Quantity Value Units Method Reference Comment
Δr49.7 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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
Δr27.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr41.6 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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

Fluorine anion + 2-Propanol, 1,1,1,3,3,3-hexafluoro- = (Fluorine anion • 2-Propanol, 1,1,1,3,3,3-hexafluoro-)

By formula: F- + C3H2F6O = (F- • C3H2F6O)

Quantity Value Units Method Reference Comment
Δr47.0 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr38.9 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

Fluorine anion + Oxirane, (fluoromethyl)- = (Fluorine anion • Oxirane, (fluoromethyl)-)

By formula: F- + C3H5FO = (F- • C3H5FO)

Quantity Value Units Method Reference Comment
Δr25.5 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
Quantity Value Units Method Reference Comment
Δr23.7cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr18.4 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M

Fluorine anion + 1,3-Difluoro-2-propanol = (Fluorine anion • 1,3-Difluoro-2-propanol)

By formula: F- + C3H6F2O = (F- • C3H6F2O)

Quantity Value Units Method Reference Comment
Δr37.8kcal/molICRLarson and McMahon, 1983gas phase; switching reaction(H2O), Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr26.5cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(H2O), Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr29.9kcal/molICRLarson and McMahon, 1983gas phase; switching reaction(H2O), Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M

Fluorine anion + Isopropyl Alcohol = C3H7D8FO-

By formula: F- + C3H8O = C3H7D8FO-

Quantity Value Units Method Reference Comment
Δr24.3 ± 2.0kcal/molIMREWilkinson, Szulejko, et al., 1992gas phase; Reported relative to ROH..F-, 0.5 kcal/mol weaker.; B

Fluorine anion + Isopropyl Alcohol = (Fluorine anion • Isopropyl Alcohol)

By formula: F- + C3H8O = (F- • C3H8O)

Quantity Value Units Method Reference Comment
Δr33.50 ± 0.70kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr32.3 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
Δr33.2 ± 2.2kcal/molCIDTDeTuri and Ervin, 1999gas phase; B
Quantity Value Units Method Reference Comment
Δr25.6cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr25.69kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr24.7 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M

Fluorine anion + 2Isopropyl Alcohol = C6H16FO2-

By formula: F- + 2C3H8O = C6H16FO2-

Quantity Value Units Method Reference Comment
Δr20.80 ± 0.20kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Quantity Value Units Method Reference Comment
Δr13.26kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B

Fluorine anion + 3Isopropyl Alcohol = C9H24FO3-

By formula: F- + 3C3H8O = C9H24FO3-

Quantity Value Units Method Reference Comment
Δr17.60 ± 0.20kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Quantity Value Units Method Reference Comment
Δr8.36kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B

Fluorine anion + 1-Propanol = C3H7D8FO-

By formula: F- + C3H8O = C3H7D8FO-

Quantity Value Units Method Reference Comment
Δr24.3 ± 2.0kcal/molIMREWilkinson, Szulejko, et al., 1992gas phase; Reported relative to ROH..F-, 0.5 kcal/mol weaker.; B

Fluorine anion + 1-Propanol = (Fluorine anion • 1-Propanol)

By formula: F- + C3H8O = (F- • C3H8O)

Quantity Value Units Method Reference Comment
Δr32.3 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
Quantity Value Units Method Reference Comment
Δr25.4cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr24.7 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M

Fluorine anion + 2-Silaisobutene = (Fluorine anion • 2-Silaisobutene)

By formula: F- + C3H8Si = (F- • C3H8Si)

Quantity Value Units Method Reference Comment
Δr37. ± 2.kcal/molICRAllison and McMahon, 1990gas phase; bracketing; M

Fluorine anion + Boric acid, trimethyl ester = (Fluorine anion • Boric acid, trimethyl ester)

By formula: F- + C3H9BO3 = (F- • C3H9BO3)

Quantity Value Units Method Reference Comment
Δr42.0 ± 4.0kcal/molIMRBLarson and McMahon, 1985gas 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
Δr34.0 ± 3.0kcal/molIMRBLarson and McMahon, 1985gas 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

Fluorine anion + Borane, trimethyl- = (Fluorine anion • Borane, trimethyl-)

By formula: F- + C3H9B = (F- • C3H9B)

Quantity Value Units Method Reference Comment
Δr58.50kcal/molIMRBMurphy and Beauchamp, 1977, 2gas phase; MeSiF3>Me3B>SF4; B
Δr47.2 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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
Δr25.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr39.7 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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

Fluorine anion + Trimethylsilyl fluoride = (Fluorine anion • Trimethylsilyl fluoride)

By formula: F- + C3H9FSi = (F- • C3H9FSi)

Quantity Value Units Method Reference Comment
Δr38.2 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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
Δr<54. ± 10.kcal/molIMRBMurphy and Beauchamp, 1977gas phase; B
Quantity Value Units Method Reference Comment
Δr22.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr31.6 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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

Fluorine anion + C4F7N = (Fluorine anion • C4F7N)

By formula: F- + C4F7N = (F- • C4F7N)

Quantity Value Units Method Reference Comment
Δr30.8 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; B,M
Quantity Value Units Method Reference Comment
Δr24.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr23.6 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; B,M

Fluorine anion + 1,1,1,3,3,3-Hexafluoro-2-(trifluoromethyl)-2-propanol = (Fluorine anion • 1,1,1,3,3,3-Hexafluoro-2-(trifluoromethyl)-2-propanol)

By formula: F- + C4HF9O = (F- • C4HF9O)

Quantity Value Units Method Reference Comment
Δr56.3 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr47.9 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

Fluorine anion + C4H4F6O = (Fluorine anion • C4H4F6O)

By formula: F- + C4H4F6O = (F- • C4H4F6O)

Quantity Value Units Method Reference Comment
Δr46.0 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr37.9 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

Fluorine anion + Pyrrole = (Fluorine anion • Pyrrole)

By formula: F- + C4H5N = (F- • C4H5N)

Quantity Value Units Method Reference Comment
Δr34.2 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
Quantity Value Units Method Reference Comment
Δr25.5cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr26.6 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M

Fluorine anion + Propane, 2-bromo-2-methyl- = (Fluorine anion • Propane, 2-bromo-2-methyl-)

By formula: F- + C4H9Br = (F- • C4H9Br)

Quantity Value Units Method Reference Comment
Δr22.3 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B
Quantity Value Units Method Reference Comment
Δr15.3 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B

Fluorine anion + Propane, 2-fluoro-2-methyl- = (Fluorine anion • Propane, 2-fluoro-2-methyl-)

By formula: F- + C4H9F = (F- • C4H9F)

Quantity Value Units Method Reference Comment
Δr22.3kcal/molICRLarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr23.6cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr15.3kcal/molICRLarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M

Fluorine anion + C4H10BF = (Fluorine anion • C4H10BF)

By formula: F- + C4H10BF = (F- • C4H10BF)

Quantity Value Units Method Reference Comment
Δr64.00kcal/molIMRBMurphy and Beauchamp, 1977, 2gas phase; Fluoride Affinity: iPr3B > Et2BF > Et3B; B
Δr58.0 ± 5.0kcal/molIMRELarson and McMahon, 1985gas 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
Δr51.5 ± 5.0kcal/molIMRELarson and McMahon, 1985gas 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

Fluorine anion + 1-Butanol = C4H9D10FO-

By formula: F- + C4H10O = C4H9D10FO-

Quantity Value Units Method Reference Comment
Δr24.1 ± 2.0kcal/molIMREWilkinson, Szulejko, et al., 1992gas phase; Reported relative to ROH..F-, 0.5 kcal/mol weaker.; B

Fluorine anion + 1-Butanol = (Fluorine anion • 1-Butanol)

By formula: F- + C4H10O = (F- • C4H10O)

Quantity Value Units Method Reference Comment
Δr32.2 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
Quantity Value Units Method Reference Comment
Δr25.9cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr24.5 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M

Fluorine anion + 2-Propanol, 2-methyl- = C4H9D10FO-

By formula: F- + C4H10O = C4H9D10FO-

Quantity Value Units Method Reference Comment
Δr25.1 ± 2.0kcal/molIMREWilkinson, Szulejko, et al., 1992gas phase; Reported relative to ROH..F-, 0.5 kcal/mol weaker.; B

Fluorine anion + 2-Propanol, 2-methyl- = (Fluorine anion • 2-Propanol, 2-methyl-)

By formula: F- + C4H10O = (F- • C4H10O)

Quantity Value Units Method Reference Comment
Δr33.40 ± 0.70kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr33.3 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
Δr32.7 ± 2.2kcal/molCIDTDeTuri and Ervin, 1999gas phase; B
Quantity Value Units Method Reference Comment
Δr26.1cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr26.01kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr25.5 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M

Fluorine anion + 22-Propanol, 2-methyl- = C8H20FO2-

By formula: F- + 2C4H10O = C8H20FO2-

Quantity Value Units Method Reference Comment
Δr22.00 ± 0.40kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Quantity Value Units Method Reference Comment
Δr13.59kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B

Fluorine anion + 32-Propanol, 2-methyl- = C12H30FO3-

By formula: F- + 3C4H10O = C12H30FO3-

Quantity Value Units Method Reference Comment
Δr18.3 ± 1.0kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Quantity Value Units Method Reference Comment
Δr7.81kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B

Fluorine anion + Silane, tetramethyl- = (Fluorine anion • Silane, tetramethyl-)

By formula: F- + C4H12Si = (F- • C4H12Si)

Quantity Value Units Method Reference Comment
Δr29.9 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; B,M
Quantity Value Units Method Reference Comment
Δr21.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr23.6 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; B,M

Fluorine anion + Pyridine, pentafluoro- = (Fluorine anion • Pyridine, pentafluoro-)

By formula: F- + C5F5N = (F- • C5F5N)

Quantity Value Units Method Reference Comment
Δr34.2 ± 2.0kcal/molTDEqDillow and Kebarle, 1988gas phase; B
Quantity Value Units Method Reference Comment
Δr25.7 ± 2.0kcal/molTDEqDillow and Kebarle, 1988gas phase; B

Fluorine anion + hexafluoroglutaryl difluoride = (Fluorine anion • hexafluoroglutaryl difluoride)

By formula: F- + C5F8O2 = (F- • C5F8O2)

Quantity Value Units Method Reference Comment
Δr46.0 ± 4.5kcal/molIMRELarson and McMahon, 1984gas phase; B,M

Fluorine anion + Cyclopentene, octafluoro- = C5F9-

By formula: F- + C5F8 = C5F9-

Quantity Value Units Method Reference Comment
Δr>30.00kcal/molTDAsHiraoka, Fujita, et al., 1905gas phase; B

Fluorine anion + Iron pentacarbonyl = (Fluorine anion • Iron pentacarbonyl)

By formula: F- + C5FeO5 = (F- • C5FeO5)

Quantity Value Units Method Reference Comment
Δr40.9 ± 2.0kcal/molIMRELane, Sallans, et al., 1985gas phase; B
Quantity Value Units Method Reference Comment
Δr34.4 ± 2.0kcal/molIMRELane, Sallans, et al., 1985gas phase; B

Fluorine anion + Propanal, 2,2-dimethyl- = (Fluorine anion • Propanal, 2,2-dimethyl-)

By formula: F- + C5H10O = (F- • C5H10O)

Quantity Value Units Method Reference Comment
Δr24.6 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
Quantity Value Units Method Reference Comment
Δr26.2cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr16.8 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M

Fluorine anion + 1,1-Dimethyl-1-silacyclobutane = (Fluorine anion • 1,1-Dimethyl-1-silacyclobutane)

By formula: F- + C5H12Si = (F- • C5H12Si)

Quantity Value Units Method Reference Comment
Δr37.7 ± 2.2kcal/molIMRESullivan, DePuy, et al., 1981gas phase; B
Quantity Value Units Method Reference Comment
Δr31.1 ± 2.2kcal/molIMRESullivan, DePuy, et al., 1981gas phase; B

Fluorine anion + Benzene, pentafluoronitro- = (Fluorine anion • Benzene, pentafluoronitro-)

By formula: F- + C6F5NO2 = (F- • C6F5NO2)

Quantity Value Units Method Reference Comment
Δr41.1 ± 2.0kcal/molIMREDillow and Kebarle, 1988gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B,M
Quantity Value Units Method Reference Comment
Δr19.6cal/mol*KN/ADillow and Kebarle, 1988gas 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
Δr32.8 ± 2.0kcal/molIMREDillow and Kebarle, 1988gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
32.8423.PHPMSDillow and Kebarle, 1988gas phase; switching reaction,Thermochemical ladder(F-)C6F6, Entropy change calculated or estimated; Hiraoka, Mizuse, et al., 1987, 2; M

Fluorine anion + Benzene, hexafluoro- = (Fluorine anion • Benzene, hexafluoro-)

By formula: F- + C6F6 = (F- • C6F6)

Quantity Value Units Method Reference Comment
Δr27.5 ± 1.0kcal/molTDAsHiraoka, Mizuse, et al., 1987, 2gas phase; B,M
Quantity Value Units Method Reference Comment
Δr23.7cal/mol*KPHPMSHiraoka, Mizuse, et al., 1987, 3gas phase; M
Quantity Value Units Method Reference Comment
Δr20.4 ± 1.6kcal/molTDAsHiraoka, Mizuse, et al., 1987, 2gas phase; B

(Fluorine anion • Benzene, hexafluoro-) + Benzene, hexafluoro- = (Fluorine anion • 2Benzene, hexafluoro-)

By formula: (F- • C6F6) + C6F6 = (F- • 2C6F6)

Quantity Value Units Method Reference Comment
Δr7.5kcal/molPHPMSHiraoka, Mizuse, et al., 1987, 3gas phase; M
Quantity Value Units Method Reference Comment
Δr12.6cal/mol*KPHPMSHiraoka, Mizuse, et al., 1987, 3gas phase; M

Fluorine anion + Benzene, pentafluoro- = (Fluorine anion • Benzene, pentafluoro-)

By formula: F- + C6HF5 = (F- • C6HF5)

Quantity Value Units Method Reference Comment
Δr29.2 ± 2.0kcal/molIMREDillow and Kebarle, 1988gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B,M
Quantity Value Units Method Reference Comment
Δr20.1cal/mol*KN/ADillow and Kebarle, 1988gas 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
Δr20.7 ± 2.0kcal/molIMREDillow and Kebarle, 1988gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
20.7423.PHPMSDillow and Kebarle, 1988gas phase; switching reaction,Thermochemical ladder(F-)C6F6, Entropy change calculated or estimated; Hiraoka, Mizuse, et al., 1987, 2; M

Fluorine anion + Trifluorophenylsilane = C6H5F4Si-

By formula: F- + C6H5F3Si = C6H5F4Si-

Quantity Value Units Method Reference Comment
Δr79.4 ± 3.3kcal/molCIDTKrouse, Lardin, et al., 2003gas phase; B

Fluorine anion + Phenol = (Fluorine anion • Phenol)

By formula: F- + C6H6O = (F- • C6H6O)

Quantity Value Units Method Reference Comment
Δr41.3 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr26.3cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr33.5 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

Fluorine anion + Benzene = (Fluorine anion • Benzene)

By formula: F- + C6H6 = (F- • C6H6)

Quantity Value Units Method Reference Comment
Δr15.30kcal/molTDAsHiraoka, Mizuse, et al., 1987, 2gas phase; B,M
Quantity Value Units Method Reference Comment
Δr19.5cal/mol*KPHPMSHiraoka, Mizuse, et al., 1987, 2gas phase; M
Quantity Value Units Method Reference Comment
Δr9.40kcal/molTDAsHiraoka, Mizuse, et al., 1987, 2gas phase; B

Fluorine anion + Aniline = (Fluorine anion • Aniline)

By formula: F- + C6H7N = (F- • C6H7N)

Quantity Value Units Method Reference Comment
Δr31.2 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
Quantity Value Units Method Reference Comment
Δr26.2cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr23.4 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M

Fluorine anion + C6H14BF2 = (Fluorine anion • C6H14BF2)

By formula: F- + C6H14BF2 = (F- • C6H14BF2)

Quantity Value Units Method Reference Comment
Δr66.50kcal/molIMRBMurphy and Beauchamp, 1977, 2gas phase; Fluoride Affinity: SiF4>iPr2BF>iPr3B; B

Fluorine anion + 3,3-Dimethylbutane-2-ol = (Fluorine anion • 3,3-Dimethylbutane-2-ol)

By formula: F- + C6H14O = (F- • C6H14O)

Quantity Value Units Method Reference Comment
Δr34.90kcal/molN/AMihalick, Gatev, et al., 1996gas phase; affinity derived using a ROH..F. neutral binding energy of 10.3 kcal/mol.; B

Fluorine anion + Triethyl borate = (Fluorine anion • Triethyl borate)

By formula: F- + C6H15BO3 = (F- • C6H15BO3)

Quantity Value Units Method Reference Comment
Δr44.0 ± 3.0kcal/molIMRBLarson and McMahon, 1985gas 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
Δr36.6 ± 2.0kcal/molIMRBLarson and McMahon, 1985gas 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

Fluorine anion + Borane, triethyl- = (Fluorine anion • Borane, triethyl-)

By formula: F- + C6H15B = (F- • C6H15B)

Quantity Value Units Method Reference Comment
Δr62.00kcal/molIMRBMurphy and Beauchamp, 1977, 2gas phase; iPr3B>Et3B>MeSiF3; B
Δr51.0 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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
Δr25.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr43.5 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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

Fluorine anion + Benzonitrile, pentafluoro- = (Fluorine anion • Benzonitrile, pentafluoro-)

By formula: F- + C7F5N = (F- • C7F5N)

Quantity Value Units Method Reference Comment
Δr39.3 ± 2.0kcal/molIMREDillow and Kebarle, 1988gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B,M
Quantity Value Units Method Reference Comment
Δr20.1cal/mol*KN/ADillow and Kebarle, 1988gas 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
Δr30.8 ± 2.0kcal/molIMREDillow and Kebarle, 1988gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
30.8423.PHPMSDillow and Kebarle, 1988gas phase; switching reaction,Thermochemical ladder(F-)C6F6, Entropy change calculated or estimated; Hiraoka, Mizuse, et al., 1987, 2; M

Fluorine anion + Benzene, pentafluoro(trifluoromethyl)- = (Fluorine anion • Benzene, pentafluoro(trifluoromethyl)-)

By formula: F- + C7F8 = (F- • C7F8)

Quantity Value Units Method Reference Comment
Δr33.6 ± 2.0kcal/molIMREDillow and Kebarle, 1988gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B,M
Quantity Value Units Method Reference Comment
Δr20.1cal/mol*KN/ADillow and Kebarle, 1988gas phase; switching reaction,Thermochemical ladder(C6F6), Entropy change calculated or estimated; Hiraoka, Mizuse, et al., 1987, 2; M
Quantity Value Units Method Reference Comment
Δr25.1 ± 2.0kcal/molIMREDillow and Kebarle, 1988gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
25.1423.PHPMSDillow and Kebarle, 1988gas phase; switching reaction,Thermochemical ladder(C6F6), Entropy change calculated or estimated; Hiraoka, Mizuse, et al., 1987, 2; M

Fluorine anion + Benzene, pentafluoromethoxy- = (Fluorine anion • Benzene, pentafluoromethoxy-)

By formula: F- + C7H3F5O = (F- • C7H3F5O)

Quantity Value Units Method Reference Comment
Δr37.5kcal/molPHPMSDillow and Kebarle, 1988gas 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
Δr20.1cal/mol*KN/ADillow and Kebarle, 1988gas phase; switching reaction,Thermochemical ladder(F-)C6F6, Entropy change calculated or estimated; Hiraoka, Mizuse, et al., 1987, 2; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
29.0423.PHPMSDillow and Kebarle, 1988gas phase; switching reaction,Thermochemical ladder(F-)C6F6, Entropy change calculated or estimated; Hiraoka, Mizuse, et al., 1987, 2; M

Fluorine anion + Benzene, (fluoromethyl)- = (Fluorine anion • Benzene, (fluoromethyl)-)

By formula: F- + C7H7F = (F- • C7H7F)

Quantity Value Units Method Reference Comment
Δr24.4 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B
Quantity Value Units Method Reference Comment
Δr16.5 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B

Fluorine anion + Toluene, α-fluoro-, = (Fluorine anion • Toluene, α-fluoro-,)

By formula: F- + C7H7F = (F- • C7H7F)

Quantity Value Units Method Reference Comment
Δr24.4kcal/molICRLarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr26.6cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr16.5kcal/molICRLarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M

Fluorine anion + Benzyl alcohol = (Fluorine anion • Benzyl alcohol)

By formula: F- + C7H8O = (F- • C7H8O)

Quantity Value Units Method Reference Comment
Δr32.40kcal/molN/AMihalick, Gatev, et al., 1996gas phase; affinity derived using a ROH..F. neutral binding energy of 10.3 kcal/mol.; B

Fluorine anion + 3-Pentanol, 2,2-dimethyl- = (Fluorine anion • 3-Pentanol, 2,2-dimethyl-)

By formula: F- + C7H16O = (F- • C7H16O)

Quantity Value Units Method Reference Comment
Δr33.80kcal/molN/AMihalick, Gatev, et al., 1996gas phase; affinity derived using a ROH..F. neutral binding energy of 10.3 kcal/mol.; B

Fluorine anion + 2',3',4',5',6'-Pentafluoroacetophenone = (Fluorine anion • 2',3',4',5',6'-Pentafluoroacetophenone)

By formula: F- + C8H3F5O = (F- • C8H3F5O)

Quantity Value Units Method Reference Comment
Δr37.5 ± 2.0kcal/molIMREDillow and Kebarle, 1988gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B
Quantity Value Units Method Reference Comment
Δr29.0 ± 2.0kcal/molIMREDillow and Kebarle, 1988gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B

Fluorine anion + Borane, tris(1-methylethyl)- = (Fluorine anion • Borane, tris(1-methylethyl)-)

By formula: F- + C9H21B = (F- • C9H21B)

Quantity Value Units Method Reference Comment
Δr65.00kcal/molIMRBMurphy and Beauchamp, 1977, 2gas phase; Fluoride Affinity: iPr2BF > iPr3B > Et2BF > Et3B; B

Fluorine anion + CeF3 = (Fluorine anion • CeF3)

By formula: F- + CeF3 = (F- • CeF3)

Quantity Value Units Method Reference Comment
Δr109.7 ± 7.0kcal/molTherSidorov, Sorokin, et al., 1981gas phase; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + Iodine monochloride = (Fluorine anion • Iodine monochloride)

By formula: F- + ClI = (F- • ClI)

Quantity Value Units Method Reference Comment
Δr94.40kcal/molTherFinch, Gates, et al., 1977gas phase; This value is far more strongly bound than expected from other X3- data; B
Δr43.30kcal/molN/ACheck, Faust, et al., 2001gas phase; FeH2-(q); ; ΔS(EA)=8.2; B
Quantity Value Units Method Reference Comment
Δr33.00kcal/molN/ACheck, Faust, et al., 2001gas phase; FeH2-(q); ; ΔS(EA)=8.2; B

Fluorine anion + cobalt trifluoride = (Fluorine anion • cobalt trifluoride)

By formula: F- + CoF3 = (F- • CoF3)

Quantity Value Units Method Reference Comment
Δr105.7 ± 6.0kcal/molTDAsRau, Chilingarov, et al., 1997gas phase; Values are at 0K; value altered from reference due to conversion from electron convention to ion convention; B
Δr105.4 ± 2.0kcal/molTDEqSidorov, Nikulin, et al., 1987gas phase; Fluoride Affinity: 11.2 kcal/mol < AlF3; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + CrF2 = (Fluorine anion • CrF2)

By formula: F- + CrF2 = (F- • CrF2)

Quantity Value Units Method Reference Comment
Δr86.3 ± 3.8kcal/molTDEqBoltalina, Borshchevskii, et al., 1991gas 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
Δr157.7 ± 7.7kcal/molTherIgolkinagas phase; The derived values do not seem reasonable - JEB.; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + CrF3 = (Fluorine anion • CrF3)

By formula: F- + CrF3 = (F- • CrF3)

Quantity Value Units Method Reference Comment
Δr92.5 ± 3.5kcal/molTDEqBoltalina, Borshchevskii, et al., 1991gas 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

Fluorine anion + CrF4 = (Fluorine anion • CrF4)

By formula: F- + CrF4 = (F- • CrF4)

Quantity Value Units Method Reference Comment
Δr98.2 ± 9.6kcal/molTDEqBoltalina, Borshchevskii, et al., 1991gas 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

Fluorine anion + CuF2 = (Fluorine anion • CuF2)

By formula: F- + CuF2 = (F- • CuF2)

Quantity Value Units Method Reference Comment
Δr83.8 ± 4.1kcal/molTDEqKuznetsov, Korobov, et al., 1986gas phase; Anchor:F-(FeF3) Chilingarov, Korobov, et al., 1984; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + Deuterium oxide = (Fluorine anion • Deuterium oxide)

By formula: F- + D2O = (F- • D2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr23.0 ± 2.0kcal/molIMRELarson and McMahon, 1988gas phase; Anchored to Arshadi, Yamdagni, et al., 1970: HOH..F- + DOD <=> DOD..F- + HOH, Keq=0.66; B
Quantity Value Units Method Reference Comment
Δr17.8 ± 2.0kcal/molIMRELarson and McMahon, 1988gas phase; Anchored to Arshadi, Yamdagni, et al., 1970: HOH..F- + DOD <=> DOD..F- + HOH, Keq=0.66; B,M

Fluorine anion + Potassium fluoride = (Fluorine anion • Potassium fluoride)

By formula: F- + FK = (F- • FK)

Quantity Value Units Method Reference Comment
Δr53.50 ± 0.80kcal/molTDAsNikitin, Sidorov, et al., 1981gas phase; value altered from reference due to conversion from electron convention to ion convention; B
Δr47.9 ± 1.0kcal/molTDEqSidorov, Nikitin, et al., 1980gas phase; Fluoride Affinity:1100K, ΔHf(KF2-):298K; value altered from reference due to conversion from electron convention to ion convention; B
Δr>52.6 ± 5.0kcal/molTDEqGusarov, Gorokhov, et al., 1979gas phase; value altered from reference due to conversion from electron convention to ion convention; B
Δr46.4kcal/molMSNikitin, Skokan, et al., 1979gas phase; Knudsen cell; M

Fluorine anion + FOP = (Fluorine anion • FOP)

By formula: F- + FOP = (F- • FOP)

Quantity Value Units Method Reference Comment
Δr56. ± 4.kcal/molICRLarson and McMahon, 1987gas phase; bracketing; M

Fluorine anion + FO2P = (Fluorine anion • FO2P)

By formula: F- + FO2P = (F- • FO2P)

Quantity Value Units Method Reference Comment
Δr90. ± 15.kcal/molICRLarson and McMahon, 1987gas phase; bracketing; M

Fluorine anion + FPS = (Fluorine anion • FPS)

By formula: F- + FPS = (F- • FPS)

Quantity Value Units Method Reference Comment
Δr62. ± 5.kcal/molICRLarson and McMahon, 1987gas phase; bracketing; M

Fluorine anion + FPS = F2PS-

By formula: F- + FPS = F2PS-

Quantity Value Units Method Reference Comment
Δr62.0 ± 5.0kcal/molIMRBLarson and McMahon, 1987gas 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
Δr56.0 ± 4.0kcal/molIMRBLarson and McMahon, 1987gas 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

Fluorine anion + F2Mn = (Fluorine anion • F2Mn)

By formula: F- + F2Mn = (F- • F2Mn)

Quantity Value Units Method Reference Comment
Δr83.9 ± 3.8kcal/molTDAsBoltalina, Borshchevskii, et al., 1992gas phase; Critical review; value altered from reference due to conversion from electron convention to ion convention; B
Δr93.4 ± 2.0kcal/molTDEqSidorov and Gubarevich, 1982gas phase; Fluoride Affinity: 23.2±0.8 kcal/mol < AlF3; value altered from reference due to conversion from electron convention to ion convention; B
Δr102.70kcal/molTDEqSidorov, Sorokin, et al., 1981gas phase; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + nickel difluoride = (Fluorine anion • nickel difluoride)

By formula: F- + F2Ni = (F- • F2Ni)

Quantity Value Units Method Reference Comment
Δr80.8 ± 3.6kcal/molTDEqNikitin, Igolkina, et al., 1986gas phase; Reanalyzed literature data, 35.9 kcal < AlF3; B

Fluorine anion + Thionyl fluoride = (Fluorine anion • Thionyl fluoride)

By formula: F- + F2OS = (F- • F2OS)

Quantity Value Units Method Reference Comment
Δr35.8kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr37.4kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr37.4 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr24.2cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr30.2kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr30.2 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

ΔrG° (kcal/mol) T (K) Method Reference Comment
27.62988.ICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M

Fluorine anion + Difluorooxosilane = (Fluorine anion • Difluorooxosilane)

By formula: F- + F2OSi = (F- • F2OSi)

Quantity Value Units Method Reference Comment
Δr123.40kcal/molTherDamrauer, Simon, et al., 1991gas phase; Between HCO2H, HCl; B
Δr102. ± 17.kcal/molIMRBLarson and McMahon, 1987gas 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

Fluorine anion + Sulfuryl fluoride = (Fluorine anion • Sulfuryl fluoride)

By formula: F- + F2O2S = (F- • F2O2S)

Quantity Value Units Method Reference Comment
Δr35.8 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr30.0 ± 6.0kcal/molTherGalembeck, Faigle, et al., 1978gas phase; B
Quantity Value Units Method Reference Comment
Δr27.5cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr27.6 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

Fluorine anion + F2SSi = (Fluorine anion • F2SSi)

By formula: F- + F2SSi = (F- • F2SSi)

Quantity Value Units Method Reference Comment
Δr>72.00kcal/molIMRBLarson and McMahon, 1987gas 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

Fluorine anion + Thiothionyl fluoride = (Fluorine anion • Thiothionyl fluoride)

By formula: F- + F2S2 = (F- • F2S2)

Quantity Value Units Method Reference Comment
Δr36.0 ± 3.0kcal/molIMRBLarson and McMahon, 1987gas 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

Fluorine anion + F2Xe = F3Xe-

By formula: F- + F2Xe = F3Xe-

Quantity Value Units Method Reference Comment
Δr138.43kcal/molN/AKrouse, Hao, et al., 2007gas phase; B

Fluorine anion + F2Zn = (Fluorine anion • F2Zn)

By formula: F- + F2Zn = (F- • F2Zn)

Quantity Value Units Method Reference Comment
Δr80.5 ± 4.5kcal/molTDAsBoltalina, Borshchevskii, et al., 1992gas phase; Critical review; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + fluorine = F3-

By formula: F- + F2 = F3-

Quantity Value Units Method Reference Comment
Δr23.3 ± 2.5kcal/molCIDTArtau, Nizzi, et al., 2000gas phase; B

Fluorine anion + F3Fe = (Fluorine anion • F3Fe)

By formula: F- + F3Fe = (F- • F3Fe)

Quantity Value Units Method Reference Comment
Δr108.3 ± 3.6kcal/molTDAsBoltalina, Borshchevskii, et al., 1992gas phase; Critical review; value altered from reference due to conversion from electron convention to ion convention; B
Δr104.9 ± 3.4kcal/molTDEqSorokin, Sidorov, et al., 1981gas phase; Fluoride Affinity: 14.9 kcal < AlF3; value altered from reference due to conversion from electron convention to ion convention; B
Δr109.0 ± 3.3kcal/molTDEqChilingarov, Korobov, et al., 1984gas phase; Fluoride Affinity: 8.8 kcal < AlF3; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + F3Ga = (Fluorine anion • F3Ga)

By formula: F- + F3Ga = (F- • F3Ga)

Quantity Value Units Method Reference Comment
Δr110.3 ± 4.1kcal/molTDAsZhuravleva, Nikitin, et al., 1985gas phase; Fluoride Affinity: 7.5 kcal < AlF3; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + Nitrogen trifluoride = (Fluorine anion • Nitrogen trifluoride)

By formula: F- + F3N = (F- • F3N)

Quantity Value Units Method Reference Comment
Δr7.20 ± 0.30kcal/molTDAsHiraoka, Shimizu, et al., 1995gas phase; B

Fluorine anion + Phosphoryl fluoride = (Fluorine anion • Phosphoryl fluoride)

By formula: F- + F3OP = (F- • F3OP)

Quantity Value Units Method Reference Comment
Δr47.9 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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
Δr48.0 ± 9.0kcal/molIMRBRhyne and Dillard, 1971gas phase; Fluoride Affinity: SF4>F3PO>SF5. Orignal value 32±10, now reval. with new affinities; B
Quantity Value Units Method Reference Comment
Δr26.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr40.1 ± 2.0kcal/molIMRELarson and McMahon, 1985gas 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

Fluorine anion + Thiophosphoryl fluoride = (Fluorine anion • Thiophosphoryl fluoride)

By formula: F- + F3PS = (F- • F3PS)

Quantity Value Units Method Reference Comment
Δr48.0 ± 9.0kcal/molIMRBRhyne and Dillard, 1971gas phase; Fluoride Affinity: between SF4, SF5. Original value 32±10, now altered with new aff.; B

Fluorine anion + Phosphorus trifluoride = (Fluorine anion • Phosphorus trifluoride)

By formula: F- + F3P = (F- • F3P)

Quantity Value Units Method Reference Comment
Δr40.2kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr40.2 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr50.0 ± 5.0kcal/molIMRBSullivan and Beauchamp, 1978gas phase; Fluoride Affinity: < OPF3, > F, SF4, Me3SiF, HCN, SO2; B
Quantity Value Units Method Reference Comment
Δr25.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr25.5cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr32.6kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr32.6 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

Fluorine anion + F3Rh = (Fluorine anion • F3Rh)

By formula: F- + F3Rh = (F- • F3Rh)

Quantity Value Units Method Reference Comment
Δr95.8 ± 3.4kcal/molTDEqChilingarov, Korobov, et al., 1984gas phase; Fluoride Affinity: 5.3 kcal <MnF3; B

Fluorine anion + F3Sc = (Fluorine anion • F3Sc)

By formula: F- + F3Sc = (F- • F3Sc)

Quantity Value Units Method Reference Comment
Δr113.3 ± 3.6kcal/molTDAsBoltalina, Borshchevskii, et al., 1992gas phase; Critical review; value altered from reference due to conversion from electron convention to ion convention; B
Δr112.3 ± 2.4kcal/molTDEqNikitin, Igolkina, et al., 1986gas phase; Reanalyzed literature data, 4.3 kcal < AlF3; B
Δr116.5 ± 2.3kcal/molTDEqNikitin, Sidorov, et al., 1981gas phase; Fluoride Affinity: 4.1 kcal < AlF3; value altered from reference due to conversion from electron convention to ion convention; B
Δr118.2 ± 2.5kcal/molTDEqSkokan, Nikitin, et al., 1981gas phase; Fluoride Affinity: 2.5 kcal < AlF3.; value altered from reference due to conversion from electron convention to ion convention; B
Δr112.kcal/molMSPyatenko, Gusarov, et al., 1981gas phase; Knudsen cell; M

Fluorine anion + vanadium trifluoride = (Fluorine anion • vanadium trifluoride)

By formula: F- + F3V = (F- • F3V)

Quantity Value Units Method Reference Comment
Δr102.5 ± 4.3kcal/molTDAsBoltalina, Borshchevskii, et al., 1992gas phase; Critical review; value altered from reference due to conversion from electron convention to ion convention; B
Δr100.9 ± 6.7kcal/molTDEqSidorov, Boltalina, et al., 1989gas phase; Fluoride Affinity: 16.0±2.4 kcal/mol > CrF2; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + F3Y = (Fluorine anion • F3Y)

By formula: F- + F3Y = (F- • F3Y)

Quantity Value Units Method Reference Comment
Δr114.0 ± 5.0kcal/molTDEqPyatenko, Gusarov, et al., 1981, 2gas phase; F-A at 0 K; ΔHf at 298 K. Equilibrium measured vs. AlF4-; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + tetrafluorogermane = (Fluorine anion • tetrafluorogermane)

By formula: F- + F4Ge = (F- • F4Ge)

Quantity Value Units Method Reference Comment
Δr100.0 ± 7.0kcal/molTherMallouk, Rosenthal, et al., 1984gas phase; Fluoride affinities from this method appear to be consistently about 10 kcal/mol too bound; B
Δr>96.70kcal/molIMRBHarland, Cradock, et al., 1972gas phase; B

Fluorine anion + HfF4 = (Fluorine anion • HfF4)

By formula: F- + HfF4 = (F- • HfF4)

Quantity Value Units Method Reference Comment
Δr102.5 ± 4.0kcal/molTDEqNikitin, Igolkina, et al., 1986gas phase; Reanalyzed literature data, 14.1 kcal < AlF3; value altered from reference due to conversion from electron convention to ion convention; B
Δr96.9 ± 2.1kcal/molTDEqNikitin, Sorokin, et al., 1980gas phase; Fluoride Affinity: 20.1 kcal < AlF3; B

Fluorine anion + Manganese, tetrafluoro- = (Fluorine anion • Manganese, tetrafluoro-)

By formula: F- + F4Mn = (F- • F4Mn)

Quantity Value Units Method Reference Comment
Δr83. ± 20.kcal/molTDEqKorobov, Chilingarov, et al., 1984gas phase; Fluoride Affinity: 17.5 kcal < MnF3; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + F4MoO = (Fluorine anion • F4MoO)

By formula: F- + F4MoO = (F- • F4MoO)

Quantity Value Units Method Reference Comment
Δr96.20kcal/molTDEqBorchevsky and Sidorov, 1985gas 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

Fluorine anion + F4Mo = (Fluorine anion • F4Mo)

By formula: F- + F4Mo = (F- • F4Mo)

Quantity Value Units Method Reference Comment
Δr91.5 ± 3.3kcal/molTDEqBorshchevskii, Boltalina, et al., 1988gas phase; value altered from reference due to conversion from electron convention to ion convention; B
Δr91.8 ± 4.0kcal/molTDEqBorchevsky and Sidorov, 1985gas phase; Fluoride Affinity: MoF4 > UF4 by 7.1 kcal/mol; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + Sulfur tetrafluoride oxide = (Fluorine anion • Sulfur tetrafluoride oxide)

By formula: F- + F4OS = (F- • F4OS)

Quantity Value Units Method Reference Comment
Δr58.0 ± 3.0kcal/molIMRELarson and McMahon, 1987gas 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
Δr68. ± 10.kcal/molIMRBArnold, Miller, et al., 2002gas phase; B
Quantity Value Units Method Reference Comment
Δr52.7 ± 2.0kcal/molIMRELarson and McMahon, 1987gas 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

Fluorine anion + F4Os = (Fluorine anion • F4Os)

By formula: F- + F4Os = (F- • F4Os)

Quantity Value Units Method Reference Comment
Δr87.0 ± 6.4kcal/molTDEqKuznetsov, Korobov, et al., 1989gas phase; Fluoride Affinity: 0.2±2.6 kcal/mol < VF4; B

Fluorine anion + F4Ru = (Fluorine anion • F4Ru)

By formula: F- + F4Ru = (F- • F4Ru)

Quantity Value Units Method Reference Comment
Δr97.0 ± 4.2kcal/molTDEqKuznetsov, Korobov, et al., 1989gas phase; Fluoride Affinity: 11.0±2.6 kcal.mol < FeF3; B

Fluorine anion + Sulfur tetrafluoride = (Fluorine anion • Sulfur tetrafluoride)

By formula: F- + F4S = (F- • F4S)

Quantity Value Units Method Reference Comment
Δr43.8kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr43.8kcal/molICRLarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr25.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr25.6cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr36.2kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr36.2kcal/molICRLarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M

(Fluorine anion • 4294967295Sulfur tetrafluoride) + Sulfur tetrafluoride = Fluorine anion

By formula: (F- • 4294967295F4S) + F4S = F-

Quantity Value Units Method Reference Comment
Δr54.9 ± 2.3kcal/molCIDTLobring, Check, et al., 2003, 2gas phase; B
Δr54.1 ± 6.5kcal/molTherLeffert, Tang, et al., 1974gas phase; From SF6; B
Δr>40.5 ± 3.4kcal/molIMRBBabcock and Streit, 1981gas phase; Fluoride Affinity: SF4 > SF5; B
Δr43.8 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr36.2 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

Fluorine anion + Silicon tetrafluoride = (Fluorine anion • Silicon tetrafluoride)

By formula: F- + F4Si = (F- • F4Si)

Quantity Value Units Method Reference Comment
Δr>29.10 ± 0.50kcal/molN/AKawamata, Neigishi, et al., 1996gas phase; B
Δr68.0 ± 5.0kcal/molIMRBMurphy and Beauchamp, 1977gas phase; Fluoride Affinity: <BF3, >iPr2BF; B
Δr60.0 ± 4.0kcal/molIMRELarson and McMahon, 1985gas 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
Δr54.1 ± 4.0kcal/molIMRELarson and McMahon, 1985gas 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
Δr51.kcal/molICRLarson and McMahon, 1984gas phase; switching reaction(F-)H2O, DG+-2. kcal/mol; 70 ARS/YAM; M

Fluorine anion + F4Th = (Fluorine anion • F4Th)

By formula: F- + F4Th = (F- • F4Th)

Quantity Value Units Method Reference Comment
Δr104.2 ± 3.5kcal/molTherSidirov, Zhuravlena, et al., 1983gas phase; Fluoride Affinity: 21.1 kcal < AlF3, 3.6 kcal < ZrF4; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + titanium tetrafluoride = (Fluorine anion • titanium tetrafluoride)

By formula: F- + F4Ti = (F- • F4Ti)

Quantity Value Units Method Reference Comment
Δr86.3 ± 3.8kcal/molTDAsBoltalina, Borshchevskii, et al., 1992gas phase; Critical review; value altered from reference due to conversion from electron convention to ion convention; B
Δr86.0 ± 5.3kcal/molTDEqBoltalina, Borshchevskii, et al., 1991, 2gas 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

Fluorine anion + F4U = (Fluorine anion • F4U)

By formula: F- + F4U = (F- • F4U)

Quantity Value Units Method Reference Comment
Δr101. ± 6.kcal/molAVGN/AAverage of 6 values; Individual data points

Fluorine anion + zirconium tetrafluoride = (Fluorine anion • zirconium tetrafluoride)

By formula: F- + F4Zr = (F- • F4Zr)

Quantity Value Units Method Reference Comment
Δr99.3 ± 2.0kcal/molTDEqSkokan, Sorokin, et al., 1982gas phase; Fluoride Affinity: 22±1 kcal < AlF3; value altered from reference due to conversion from electron convention to ion convention; B
Δr96.3 ± 1.0kcal/molTDEqSkokan, Nikitin, et al., 1981gas phase; Fluoride Affinity: 23.12 kcal < AlF3; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + Phosphorus pentafluoride = (Fluorine anion • Phosphorus pentafluoride)

By formula: F- + F5P = (F- • F5P)

Quantity Value Units Method Reference Comment
Δr78.6 ± 3.3kcal/molTDAsAleshina, Borshchevskii, et al., 1996gas 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
Δr85. ± 10.kcal/molIMRELarson and McMahon, 1985gas 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
Δr101.0 ± 8.0kcal/molTherMallouk, Rosenthal, et al., 1984gas phase; Fluoride affinities from this method appear to be consistently about 10 kcal/mol too bound; B
Quantity Value Units Method Reference Comment
Δr74. ± 10.kcal/molIMRELarson and McMahon, 1985gas 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

Fluorine anion + antimony pentafluoride = (Fluorine anion • antimony pentafluoride)

By formula: F- + F5Sb = (F- • F5Sb)

Quantity Value Units Method Reference Comment
Δr117.10kcal/molN/ACheck, Faust, et al., 2001gas phase; MnH2-(t); ; ΔS(EA)=5.4; B
Quantity Value Units Method Reference Comment
Δr107.00kcal/molN/ACheck, Faust, et al., 2001gas phase; MnH2-(t); ; ΔS(EA)=5.4; B

Fluorine anion + F6S- = (Fluorine anion • F6S-)

By formula: F- + F6S- = (F- • F6S-)

Quantity Value Units Method Reference Comment
Δr5.4kcal/molPHPMSHiraoka, Shimizu, et al., 1995gas phase; M
Quantity Value Units Method Reference Comment
Δr20.cal/mol*KPHPMSHiraoka, Shimizu, et al., 1995gas phase; M

(Fluorine anion • F6S-) + F6S- = (Fluorine anion • 2F6S-)

By formula: (F- • F6S-) + F6S- = (F- • 2F6S-)

Quantity Value Units Method Reference Comment
Δr4.0kcal/molPHPMSHiraoka, Shimizu, et al., 1995gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr18.cal/mol*KN/AHiraoka, Shimizu, et al., 1995gas phase; Entropy change calculated or estimated; M

Fluorine anion + Sulfur hexafluoride = (Fluorine anion • Sulfur hexafluoride)

By formula: F- + F6S = (F- • F6S)

Quantity Value Units Method Reference Comment
Δr5.40 ± 0.30kcal/molTDAsHiraoka, Shimizu, et al., 1995gas phase; B
Quantity Value Units Method Reference Comment
Δr-0.6 ± 3.0kcal/molTDAsHiraoka, Shimizu, et al., 1995gas phase; B

(Fluorine anion • Sulfur hexafluoride) + Sulfur hexafluoride = (Fluorine anion • 2Sulfur hexafluoride)

By formula: (F- • F6S) + F6S = (F- • 2F6S)

Quantity Value Units Method Reference Comment
Δr4.00 ± 0.30kcal/molTDAsHiraoka, Shimizu, et al., 1995gas phase; Entropy estimated. Gaff = +1.4 at 141 K; B
Quantity Value Units Method Reference Comment
Δr-1.40 ± 0.30kcal/molTDAsHiraoka, Shimizu, et al., 1995gas phase; Entropy estimated. Gaff = +1.4 at 141 K; B

Fluorine anion + Uranium hexafluoride = (Fluorine anion • Uranium hexafluoride)

By formula: F- + F6U = (F- • F6U)

Quantity Value Units Method Reference Comment
Δr56.6 ± 7.2kcal/molTherPyatenko, Guasarov, et al., 1984gas phase; Critical review; value altered from reference due to conversion from electron convention to ion convention; B
Δr46. ± 10.kcal/molIMRBBeauchamp, 1976gas phase; B

Fluorine anion + Tungsten hexafluoride = (Fluorine anion • Tungsten hexafluoride)

By formula: F- + F6W = (F- • F6W)

Quantity Value Units Method Reference Comment
Δr69.0 ± 5.0kcal/molTherGeorge and Beauchamp, 1979gas phase; Fluoride Affinity: SiF4 < WF6 < BF3; B

Fluorine anion + F9Mo2 = (Fluorine anion • F9Mo2)

By formula: F- + F9Mo2 = (F- • F9Mo2)

Quantity Value Units Method Reference Comment
Δr96.1 ± 8.6kcal/molTDEqBorshchevskii, Boltalina, et al., 1988gas phase; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + F10U2 = (Fluorine anion • F10U2)

By formula: F- + F10U2 = (F- • F10U2)

Quantity Value Units Method Reference Comment
Δr129. ± 12.kcal/molTherPyatenko and Gorokhov, 1984gas phase; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + Hydrogen chloride = (Fluorine anion • Hydrogen chloride)

By formula: F- + HCl = (F- • HCl)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr60. ± 2.kcal/molICRLarson and McMahon, 1985gas phase; bracketing; M

Fluorine anion + hydrogen fluoride = (Fluorine anion • hydrogen fluoride)

By formula: F- + HF = (F- • HF)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr45.8 ± 1.6kcal/molCIDCWenthold and Squires, 1995gas phase; B
Δr38.6 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr>34.6 ± 4.6kcal/molTherHeni and Illenberger, 1985gas 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
Δr21.9cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr32.0 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

ΔrG° (kcal/mol) T (K) Method Reference Comment
32.0289.ICRLarson and McMahon, 1983gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M

Fluorine anion + Nitrosyl hydride = (Fluorine anion • Nitrosyl hydride)

By formula: F- + HNO = (F- • HNO)

Quantity Value Units Method Reference Comment
Δr33.0 ± 3.0kcal/molIMRBJanaway, Zhong, et al., 1997gas phase; Actual structure probably HF..NO-; B

Fluorine anion + Hydroxyl radical = HFO-

By formula: F- + HO = HFO-

Quantity Value Units Method Reference Comment
Δr32.4 ± 2.3kcal/molLPESDeyerl and Continetti, 2005gas phase; affinity at 0 K; B

Fluorine anion + Water = (Fluorine anion • Water)

By formula: F- + H2O = (F- • H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr27.40 ± 0.50kcal/molTDAsWeis, Kemper, et al., 1999gas phase; B
Δr23.30kcal/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B,M
Quantity Value Units Method Reference Comment
Δr17.4cal/mol*KHPMSArshadi, Yamdagni, et al., 1970gas phase; M
Quantity Value Units Method Reference Comment
Δr21.90 ± 0.50kcal/molTDAsWeis, Kemper, et al., 1999gas phase; B
Δr18.1 ± 2.0kcal/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B

(Fluorine anion • Water) + Water = (Fluorine anion • 2Water)

By formula: (F- • H2O) + H2O = (F- • 2H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr19.20 ± 0.50kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; Stated electron affinity is the Vertical Detachment Energy; B,M
Δr16.6 ± 1.0kcal/molTDAsPayzant, Yamdagni, et al., 1971gas phase; B
Δr16.6 ± 1.0kcal/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B,M
Quantity Value Units Method Reference Comment
Δr22.2cal/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Δr18.7cal/mol*KHPMSArshadi, Yamdagni, et al., 1970gas phase; M
Quantity Value Units Method Reference Comment
Δr12.5 ± 1.6kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; Stated electron affinity is the Vertical Detachment Energy; B
Δr11.0 ± 1.4kcal/molTDAsPayzant, Yamdagni, et al., 1971gas phase; B
Δr11.00kcal/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B

(Fluorine anion • 2Water) + Water = (Fluorine anion • 3Water)

By formula: (F- • 2H2O) + H2O = (F- • 3H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr15.30 ± 0.40kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Δr13.7 ± 1.0kcal/molTDAsPayzant, Yamdagni, et al., 1971gas phase; B
Δr13.7 ± 1.0kcal/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B,M
Quantity Value Units Method Reference Comment
Δr22.9cal/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Δr20.4cal/mol*KHPMSArshadi, Yamdagni, et al., 1970gas phase; M
Quantity Value Units Method Reference Comment
Δr8.4 ± 1.3kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B
Δr7.6 ± 1.4kcal/molTDAsPayzant, Yamdagni, et al., 1971gas phase; B
Δr7.60kcal/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B

(Fluorine anion • 3Water) + Water = (Fluorine anion • 4Water)

By formula: (F- • 3H2O) + H2O = (F- • 4H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr13.90 ± 0.40kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Δr13.5 ± 1.0kcal/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B,M
Quantity Value Units Method Reference Comment
Δr26.6cal/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Δr26.9cal/mol*KHPMSArshadi, Yamdagni, et al., 1970gas phase; M
Quantity Value Units Method Reference Comment
Δr5.9 ± 1.3kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B
Δr5.50kcal/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B
Δr6.1 ± 2.0kcal/molTDAsKebarle, Arshadi, et al., 1968gas phase; B,M

(Fluorine anion • 4Water) + Water = (Fluorine anion • 5Water)

By formula: (F- • 4H2O) + H2O = (F- • 5H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr12.30 ± 0.40kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Δr13.2 ± 1.0kcal/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B,M
Quantity Value Units Method Reference Comment
Δr26.0cal/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Δr30.7cal/mol*KHPMSArshadi, Yamdagni, et al., 1970gas phase; M
Quantity Value Units Method Reference Comment
Δr4.5 ± 1.3kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B
Δr7.10kcal/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B
Δr4.6 ± 2.0kcal/molTDAsKebarle, Arshadi, et al., 1968gas phase; B,M

(Fluorine anion • 5Water) + Water = (Fluorine anion • 6Water)

By formula: (F- • 5H2O) + H2O = (F- • 6H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr10.90 ± 0.30kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Δr24.8cal/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Quantity Value Units Method Reference Comment
Δr3.5 ± 1.0kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B

(Fluorine anion • 6Water) + Water = (Fluorine anion • 7Water)

By formula: (F- • 6H2O) + H2O = (F- • 7H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr10.40 ± 0.30kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Δr26.0cal/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Quantity Value Units Method Reference Comment
Δr2.6 ± 1.0kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B

(Fluorine anion • 7Water) + Water = (Fluorine anion • 8Water)

By formula: (F- • 7H2O) + H2O = (F- • 8H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr11.20 ± 0.40kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Δr31.2cal/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; 0.4; M
Quantity Value Units Method Reference Comment
Δr1.8 ± 1.6kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B

(Fluorine anion • 8Water) + Water = (Fluorine anion • 9Water)

By formula: (F- • 8H2O) + H2O = (F- • 9H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr11.10 ± 0.50kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Δr32.8cal/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Quantity Value Units Method Reference Comment
Δr1.3 ± 2.1kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B

(Fluorine anion • 9Water) + Water = (Fluorine anion • 10Water)

By formula: (F- • 9H2O) + H2O = (F- • 10H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr11.00kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; Entropy estimated; B,M
Quantity Value Units Method Reference Comment
Δr33.cal/mol*KN/AHiraoka, Mizuse, et al., 1988gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr1.10kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; Entropy estimated; B

Fluorine anion + Hydrogen sulfide = (Fluorine anion • Hydrogen sulfide)

By formula: F- + H2S = (F- • H2S)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr34.6 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr18.8cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr29.0 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

Fluorine anion + Ammonia = (Fluorine anion • Ammonia)

By formula: F- + H3N = (F- • H3N)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr23.kcal/molFASpears and Ferguson, 1973gas phase; ΔrH>; M

Fluorine anion + H16B4U = (Fluorine anion • H16B4U)

By formula: F- + H16B4U = (F- • H16B4U)

Quantity Value Units Method Reference Comment
Δr45.0 ± 8.1kcal/molIMRBBabcock, Herd, et al., 1984gas phase; Obs. F- transfer from SF6-, not from UF5-; B

Fluorine anion + Nitrous oxide = (Fluorine anion • Nitrous oxide)

By formula: F- + N2O = (F- • N2O)

Quantity Value Units Method Reference Comment
Δr9.9 ± 0.3kcal/molPHPMSHiraoka, Aruga, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Δr23.9cal/mol*KPHPMSHiraoka, Aruga, et al., 1993gas phase; M

(Fluorine anion • Nitrous oxide) + Nitrous oxide = (Fluorine anion • 2Nitrous oxide)

By formula: (F- • N2O) + N2O = (F- • 2N2O)

Quantity Value Units Method Reference Comment
Δr9.2 ± 0.3kcal/molPHPMSHiraoka, Aruga, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Δr22.7cal/mol*KPHPMSHiraoka, Aruga, et al., 1993gas phase; M

(Fluorine anion • 2Nitrous oxide) + Nitrous oxide = (Fluorine anion • 3Nitrous oxide)

By formula: (F- • 2N2O) + N2O = (F- • 3N2O)

Quantity Value Units Method Reference Comment
Δr8.4 ± 0.3kcal/molPHPMSHiraoka, Aruga, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Δr23.6cal/mol*KPHPMSHiraoka, Aruga, et al., 1993gas phase; M

(Fluorine anion • 3Nitrous oxide) + Nitrous oxide = (Fluorine anion • 4Nitrous oxide)

By formula: (F- • 3N2O) + N2O = (F- • 4N2O)

Quantity Value Units Method Reference Comment
Δr7.4 ± 0.3kcal/molPHPMSHiraoka, Aruga, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Δr24.4cal/mol*KPHPMSHiraoka, Aruga, et al., 1993gas phase; M

(Fluorine anion • 4Nitrous oxide) + Nitrous oxide = (Fluorine anion • 5Nitrous oxide)

By formula: (F- • 4N2O) + N2O = (F- • 5N2O)

Quantity Value Units Method Reference Comment
Δr6.3 ± 0.3kcal/molPHPMSHiraoka, Aruga, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Δr25.5cal/mol*KPHPMSHiraoka, Aruga, et al., 1993gas phase; M

(Fluorine anion • 5Nitrous oxide) + Nitrous oxide = (Fluorine anion • 6Nitrous oxide)

By formula: (F- • 5N2O) + N2O = (F- • 6N2O)

Quantity Value Units Method Reference Comment
Δr6.0 ± 0.3kcal/molPHPMSHiraoka, Aruga, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Δr25.8cal/mol*KPHPMSHiraoka, Aruga, et al., 1993gas phase; M

(Fluorine anion • 6Nitrous oxide) + Nitrous oxide = (Fluorine anion • 7Nitrous oxide)

By formula: (F- • 6N2O) + N2O = (F- • 7N2O)

Quantity Value Units Method Reference Comment
Δr3.3kcal/molPHPMSHiraoka, Aruga, et al., 1993gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr20.cal/mol*KN/AHiraoka, Aruga, et al., 1993gas phase; Entropy change calculated or estimated; M

Fluorine anion + Disulfur monoxide = (Fluorine anion • Disulfur monoxide)

By formula: F- + OS2 = (F- • OS2)

Quantity Value Units Method Reference Comment
Δr44.0 ± 3.0kcal/molIMRBLarson and McMahon, 1987gas 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
Δr37.0 ± 3.0kcal/molIMRBLarson and McMahon, 1987gas 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

Fluorine anion + Sulfur dioxide = (Fluorine anion • Sulfur dioxide)

By formula: F- + O2S = (F- • O2S)

Quantity Value Units Method Reference Comment
Δr53.8 ± 2.2kcal/molCIDTLobring, Check, et al., 2003gas phase; B
Δr53.0 ± 2.5kcal/molCIDTSquires, 1992gas phase; B
Δr43.8kcal/molICRLarson and McMahon, 1985gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr43.8 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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
Δr59.kcal/molSAMSRobbiani and Franklin, 1979gas phase; Cl- + CO2ClF --> SO2F- + Cl2, ΔrH>; M
Quantity Value Units Method Reference Comment
Δr24.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr23.0cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr36.6kcal/molICRLarson and McMahon, 1985gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr36.9 ± 2.0kcal/molIMRELarson and McMahon, 1983gas 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

Fluorine anion + sulphur trioxide = (Fluorine anion • sulphur trioxide)

By formula: F- + O3S = (F- • O3S)

Quantity Value Units Method Reference Comment
Δr78. ± 10.kcal/molICRLarson and McMahon, 1985gas phase; bracketing; M

Fluorine anion + Xenon = (Fluorine anion • Xenon)

By formula: F- + Xe = (F- • Xe)

Quantity Value Units Method Reference Comment
Δr6.30 ± 0.30kcal/molTDAsWada, Kikkawa, et al., 2007gas phase; B
Δr6.50 ± 0.90kcal/molMoblDe Vreugd, Wijnaendts van Resandt, et al., 1979gas phase; B
Δr6.5kcal/molSCATTERINGDe Vrengd, Wijnaendts van Resandt, et al., 1979gas phase; M
Quantity Value Units Method Reference Comment
Δr1.53 ± 0.30kcal/molTDAsWada, Kikkawa, et al., 2007gas phase; B

Fluorine anion + CAS Reg. No. 696-35-5 = C6H6F3Si-

By formula: F- + CAS Reg. No. 696-35-5 = C6H6F3Si-

Quantity Value Units Method Reference Comment
Δr191.36kcal/molN/AKrouse, Lardin, et al., 2003gas phase; B

Fluorine anion + vanadium tetrafluoride = (Fluorine anion • vanadium tetrafluoride)

By formula: F- + vanadium tetrafluoride = (F- • vanadium tetrafluoride)

Quantity Value Units Method Reference Comment
Δr87.2 ± 5.8kcal/molTDEqKuznetsov, Korobov, et al., 1989gas phase; Fluoride Affinity: 14.2±3.9 kcal/mol < UF4; B
Δr86.8 ± 6.5kcal/molTDEqSidorov, Boltalina, et al., 1989gas phase; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + CAS Reg. No. 12134-48-4 = (Fluorine anion • CAS Reg. No. 12134-48-4)

By formula: F- + CAS Reg. No. 12134-48-4 = (F- • CAS Reg. No. 12134-48-4)

Quantity Value Units Method Reference Comment
Δr124. ± 12.kcal/molTherPyatenko and Gorokhov, 1984gas phase; value altered from reference due to conversion from electron convention to ion convention; B

References

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

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

Chase, 1998
Chase, M.W., Jr., NIST-JANAF Themochemical Tables, Fourth Edition, J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]

Larson and McMahon, 1985
Larson, J.W.; McMahon, T.B., Fluoride and chloride affinities of the main group oxides, fluorides, oxofluorides, and alkyls. Quantitative scales of lewis acidities from ICR halide exchange equilibria, J. Am. Chem. Soc., 1985, 107, 766. [all data]

Wenthold and Squires, 1995
Wenthold, P.G.; Squires, R.R., Bond dissociation energies of F2(-) and HF2(-). A gas-phase experimental and G2 theoretical study, J. Phys. Chem., 1995, 99, 7, 2002, https://doi.org/10.1021/j100007a034 . [all data]

Blondel, Delsart, et al., 2001
Blondel, C.; Delsart, C.; Goldfarb, F., Electron spectrometry at the mu eV level and the electron affinities of Si and F, J. Phys. B: Atom. Mol. Opt. Phys., 2001, 34, 9, L281-L288, https://doi.org/10.1088/0953-4075/34/9/101 . [all data]

Martin and Hepburn, 2000
Martin, J.D.D.; Hepburn, J.W., Faraday Disc. Chem. Soc., 2000, 115, 416. [all data]

Wagman, Evans, et al., 1982
Wagman, D.D.; Evans, W.H.; Parker, V.B.; Schumm, R.H.; Halow, I.; Bailey, S.M.; Churney, K.L.; Nuttall, R.L., The NBS Tables of Chemical Thermodynamic Properties (NBS Tech Note 270), J. Phys. Chem. Ref. Data, Supl. 1, 1982, 11. [all data]

Blondel, Cacciani, et al., 1989
Blondel, C.; Cacciani, P.; Delsart, C.; Trainham, R., High Resolution Determination of the Electron Affinity of Fluorine and Bromine using Crossed Ion and Laser Beams, Phys. Rev. A, 1989, 40, 7, 3698, https://doi.org/10.1103/PhysRevA.40.3698 . [all data]

Bierbaum, Schmidt, et al., 1981
Bierbaum, V.M.; Schmidt, R.J.; DePuy, C.H.; Mead, R.H.; Schulz, P.A.; Lineberger, W.C., Reactions of carbanions with triplet and singlet molecular oxygen, J. Am. Chem. Soc., 1981, 103, 6262. [all data]

Check, Faust, et al., 2001
Check, C.E.; Faust, T.O.; Bailey, J.M.; Wright, B.J.; Gilbert, T.M.; Sunderlin, L.S., Addition of Polarization and Diffuse Functions to the LANL2DZ Basis Set for P-Block Elements, J. Phys. Chem. A,, 2001, 105, 34, 8111, https://doi.org/10.1021/jp011945l . [all data]

Lobring, Check, et al., 2003
Lobring, K.C.; Check, C.E.; Sunderlin, L.S., The fluoride affinity of SO2, Int. J. Mass Spectrom., 2003, 222, 1-3, 221-227, https://doi.org/10.1016/S1387-3806(02)00950-8 . [all data]

Squires, 1992
Squires, R.R., Gas Phase Thermochemical Properties of the Bicarbonate and Bisulfate Ions, Int. J. Mass Spectrom. Ion Proc., 1992, 117, 565, https://doi.org/10.1016/0168-1176(92)80114-G . [all data]

Arshadi, Yamdagni, et al., 1970
Arshadi, M.; Yamdagni, R.; Kebarle, P., Hydration of Halide Negative Ions in the Gas Phase. II. Comparison of Hydration Energies for the Alkali Positive and Halide Negative Ions, J. Phys. Chem., 1970, 74, 7, 1475, https://doi.org/10.1021/j100702a014 . [all data]

Larson and McMahon, 1983
Larson, J.W.; McMahon, T.B., Strong hydrogen bonding in gas-phase anions. An ion cyclotron resonance determination of fluoride binding energetics to bronsted acids from gas-phase fluoride exchange equilibria measurements, J. Am. Chem. Soc., 1983, 105, 2944. [all data]

Robbiani and Franklin, 1979
Robbiani, R.; Franklin, J.L., Negative ion-molecule reaction in sulfuryl halides, J. Am. Chem. Soc., 1979, 101, 3709. [all data]

Sullivan and Beauchamp, 1978
Sullivan, S.A.; Beauchamp, J.L., Nucleophilic Reactions of Anions with PF3 and OPF3 in the Gas Phase by ICR Spectroscopy, Inorg. Chem., 1978, 17, 6, 1589, https://doi.org/10.1021/ic50184a039 . [all data]

Heni and Illenberger, 1985
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Notes

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