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Fluorine anion


Gas phase thermochemistry data

Go To: Top, Reaction thermochemistry 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, 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 bullet Boron trifluoride)

By formula: F- + BF3 = (F- bullet BF3)

Quantity Value Units Method Reference Comment
Deltar82. ± 20.kcal/molAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Deltar63.6 ± 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
Deltar372. ± 1.kcal/molAVGN/AAverage of 6 out of 7 values; Individual data points
Quantity Value Units Method Reference Comment
Deltar365.67 ± 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
Deltar365.53kcal/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
Deltar365.67 ± 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
Deltar365.5 ± 2.0kcal/molIMREBierbaum, Schmidt, et al., 1981gas phase; B
Deltar359.40kcal/molN/ACheck, Faust, et al., 2001gas phase; FeCl3-; ; «DELTA»S(EA)=5.0; B

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

By formula: F- + O2S = (F- bullet O2S)

Quantity Value Units Method Reference Comment
Deltar53.8 ± 2.2kcal/molCIDTLobring, Check, et al., 2003gas phase; B
Deltar53.0 ± 2.5kcal/molCIDTSquires, 1992gas phase; B
Deltar43.8kcal/molICRLarson and McMahon, 1985gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Deltar43.8 ± 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
Deltar59.kcal/molSAMSRobbiani and Franklin, 1979gas phase; Cl- + CO2ClF --> SO2F- + Cl2, «DELTA»rH>; M
Quantity Value Units Method Reference Comment
Deltar24.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Deltar23.0cal/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
Deltar36.6kcal/molICRLarson and McMahon, 1985gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Deltar36.9 ± 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 bullet Thionyl fluoride)

By formula: F- + F2OS = (F- bullet F2OS)

Quantity Value Units Method Reference Comment
Deltar35.8kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Deltar37.4kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Deltar37.4 ± 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
Deltar24.2cal/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
Deltar30.2kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Deltar30.2 ± 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

DeltarG° (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 bullet Phosphorus trifluoride)

By formula: F- + F3P = (F- bullet F3P)

Quantity Value Units Method Reference Comment
Deltar40.2kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Deltar40.2 ± 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
Deltar50.0 ± 5.0kcal/molIMRBSullivan and Beauchamp, 1978gas phase; Fluoride Affinity: < OPF3, > F, SF4, Me3SiF, HCN, SO2; B
Quantity Value Units Method Reference Comment
Deltar25.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
Deltar25.5cal/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
Deltar32.6kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Deltar32.6 ± 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 bullet hydrogen fluoride)

By formula: F- + HF = (F- bullet HF)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar45.8 ± 1.6kcal/molCIDCWenthold and Squires, 1995gas phase; B
Deltar38.6 ± 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
Deltar>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
Deltar21.9cal/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
Deltar32.0 ± 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

DeltarG° (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 bullet Aluminum fluoride)

By formula: F- + AlF3 = (F- bullet AlF3)

Quantity Value Units Method Reference Comment
Deltar120. ± 20.kcal/molAVGN/AAverage of 7 values; Individual data points

Fluorine anion + F4U = (Fluorine anion bullet F4U)

By formula: F- + F4U = (F- bullet F4U)

Quantity Value Units Method Reference Comment
Deltar101. ± 6.kcal/molAVGN/AAverage of 6 values; Individual data points

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

By formula: F- + F5P = (F- bullet F5P)

Quantity Value Units Method Reference Comment
Deltar78.6 ± 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
Deltar85. ± 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
Deltar101.0 ± 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
Deltar74. ± 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 bullet Carbonic difluoride)

By formula: F- + CF2O = (F- bullet CF2O)

Quantity Value Units Method Reference Comment
Deltar42.6kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Deltar42.6kcal/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
Deltar29.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
Deltar29.0cal/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
Deltar34.0kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Deltar34.0kcal/molICRLarson and McMahon, 1984gas phase; switching reaction(F-)PF3; M
Deltar34.0kcal/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 bullet Phosphoryl fluoride)

By formula: F- + F3OP = (F- bullet F3OP)

Quantity Value Units Method Reference Comment
Deltar47.9 ± 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
Deltar48.0 ± 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
Deltar26.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
Deltar40.1 ± 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 bullet Sulfur tetrafluoride)

By formula: F- + F4S = (F- bullet F4S)

Quantity Value Units Method Reference Comment
Deltar43.8kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Deltar43.8kcal/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
Deltar25.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
Deltar25.6cal/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
Deltar36.2kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Deltar36.2kcal/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 bullet Silicon tetrafluoride)

By formula: F- + F4Si = (F- bullet F4Si)

Quantity Value Units Method Reference Comment
Deltar>29.10 ± 0.50kcal/molN/AKawamata, Neigishi, et al., 1996gas phase; B
Deltar68.0 ± 5.0kcal/molIMRBMurphy and Beauchamp, 1977gas phase; Fluoride Affinity: <BF3, >iPr2BF; B
Deltar60.0 ± 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
Deltar54.1 ± 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
Deltar51.kcal/molICRLarson and McMahon, 1984gas phase; switching reaction(F-)H2O, DG+-2. kcal/mol; 70 ARS/YAM; M

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

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

Quantity Value Units Method Reference Comment
Deltar54.9 ± 2.3kcal/molCIDTLobring, Check, et al., 2003, 2gas phase; B
Deltar54.1 ± 6.5kcal/molTherLeffert, Tang, et al., 1974gas phase; From SF6; B
Deltar>40.5 ± 3.4kcal/molIMRBBabcock and Streit, 1981gas phase; Fluoride Affinity: SF4 > SF5; B
Deltar43.8 ± 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
Deltar36.2 ± 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 bullet C3F6O)

By formula: F- + C3F6O = (F- bullet C3F6O)

Quantity Value Units Method Reference Comment
Deltar47.2 ± 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
Deltar28.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
Deltar38.8 ± 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
Deltar38.8kcal/molICRLarson and McMahon, 1984gas phase; switching reaction(F-)CF3COF; M

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

By formula: F- + C3H9B = (F- bullet C3H9B)

Quantity Value Units Method Reference Comment
Deltar58.50kcal/molIMRBMurphy and Beauchamp, 1977, 2gas phase; MeSiF3>Me3B>SF4; B
Deltar47.2 ± 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
Deltar25.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
Deltar39.7 ± 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 bullet Borane, triethyl-)

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

Quantity Value Units Method Reference Comment
Deltar62.00kcal/molIMRBMurphy and Beauchamp, 1977, 2gas phase; iPr3B>Et3B>MeSiF3; B
Deltar51.0 ± 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
Deltar25.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
Deltar43.5 ± 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 bullet Trimethylsilyl fluoride)

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

Quantity Value Units Method Reference Comment
Deltar38.2 ± 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
Deltar<54. ± 10.kcal/molIMRBMurphy and Beauchamp, 1977gas phase; B
Quantity Value Units Method Reference Comment
Deltar22.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
Deltar31.6 ± 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 bullet 1,1,1',1'-Tetrafluorodimethyl ether)

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

Quantity Value Units Method Reference Comment
Deltar36.0 ± 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
Deltar27.2cal/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
Deltar28.3kcal/molICRLarson and McMahon, 1984gas phase; switching reaction(F-)SO2F2; M
Deltar27.9 ± 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 bullet Silane, trifluoromethyl-)

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

Quantity Value Units Method Reference Comment
Deltar61.5 ± 5.0kcal/molIMRBMurphy and Beauchamp, 1977gas phase; B
Deltar50.5 ± 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
Deltar25.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
Deltar43.0 ± 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 bullet Sulfuryl fluoride)

By formula: F- + F2O2S = (F- bullet F2O2S)

Quantity Value Units Method Reference Comment
Deltar35.8 ± 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
Deltar30.0 ± 6.0kcal/molTherGalembeck, Faigle, et al., 1978gas phase; B
Quantity Value Units Method Reference Comment
Deltar27.5cal/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
Deltar27.6 ± 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 bullet Hydrogen sulfide)

By formula: F- + H2S = (F- bullet H2S)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar34.6 ± 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
Deltar18.8cal/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
Deltar29.0 ± 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 bullet trifluoroarsine)

By formula: F- + AsF3 = (F- bullet AsF3)

Quantity Value Units Method Reference Comment
Deltar48.2 ± 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
Deltar24.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
Deltar41.0 ± 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 bullet C2F4O)

By formula: F- + C2F4O = (F- bullet C2F4O)

Quantity Value Units Method Reference Comment
Deltar45.6 ± 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
Deltar28.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
Deltar37.2 ± 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 bullet C2F2O2)

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

Quantity Value Units Method Reference Comment
Deltar45.7 ± 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
Deltar29.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
Deltar37.0 ± 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 bullet 2-Propanone, 1,1,1,3,3,3-hexafluoro-)

By formula: F- + C3F6O = (F- bullet C3F6O)

Quantity Value Units Method Reference Comment
Deltar49.7 ± 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
Deltar27.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
Deltar41.6 ± 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 bullet C3F5N)

By formula: F- + C3F5N = (F- bullet C3F5N)

Quantity Value Units Method Reference Comment
Deltar30.1 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
Deltar30.3kcal/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
Deltar24.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
Deltar22.8cal/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
Deltar23.3 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
Deltar23.1kcal/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 bullet Phenol)

By formula: F- + C6H6O = (F- bullet C6H6O)

Quantity Value Units Method Reference Comment
Deltar41.3 ± 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
Deltar26.3cal/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
Deltar33.5 ± 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 bullet Ethanol, 2-fluoro-)

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

Quantity Value Units Method Reference Comment
Deltar34.8 ± 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
Deltar26.3cal/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
Deltar27.0 ± 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 bullet Formic acid)

By formula: F- + CH2O2 = (F- bullet CH2O2)

Quantity Value Units Method Reference Comment
Deltar45.3 ± 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
Deltar24.2cal/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
Deltar38.1 ± 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 bullet Acetic acid)

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

Quantity Value Units Method Reference Comment
Deltar44.1 ± 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
Deltar25.6cal/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
Deltar36.5 ± 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 bullet Hydrogen cyanide)

By formula: F- + CHN = (F- bullet CHN)

Quantity Value Units Method Reference Comment
Deltar39.5 ± 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
Deltar22.2cal/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
Deltar32.9 ± 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 bullet Methanethiol)

By formula: F- + CH4S = (F- bullet CH4S)

Quantity Value Units Method Reference Comment
Deltar34.2 ± 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
Deltar23.2cal/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
Deltar27.3 ± 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 bullet Ethanol, 2,2,2-trifluoro-)

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

Quantity Value Units Method Reference Comment
Deltar39.1 ± 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
Deltar26.8cal/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
Deltar31.1 ± 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 bullet F3Sc)

By formula: F- + F3Sc = (F- bullet F3Sc)

Quantity Value Units Method Reference Comment
Deltar113.3 ± 3.6kcal/molTDAsBoltalina, Borshchevskii, et al., 1992gas phase; Critical review; value altered from reference due to conversion from electron convention to ion convention; B
Deltar112.3 ± 2.4kcal/molTDEqNikitin, Igolkina, et al., 1986gas phase; Reanalyzed literature data, 4.3 kcal < AlF3; B
Deltar116.5 ± 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
Deltar118.2 ± 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
Deltar112.kcal/molMSPyatenko, Gusarov, et al., 1981gas phase; Knudsen cell; M

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

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

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar19.20 ± 0.50kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; Stated electron affinity is the Vertical Detachment Energy; B,M
Deltar16.6 ± 1.0kcal/molTDAsPayzant, Yamdagni, et al., 1971gas phase; B
Deltar16.6 ± 1.0kcal/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar22.2cal/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Deltar18.7cal/mol*KHPMSArshadi, Yamdagni, et al., 1970gas phase; M
Quantity Value Units Method Reference Comment
Deltar12.5 ± 1.6kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; Stated electron affinity is the Vertical Detachment Energy; B
Deltar11.0 ± 1.4kcal/molTDAsPayzant, Yamdagni, et al., 1971gas phase; B
Deltar11.00kcal/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B

Fluorine anion + C4H10BF = (Fluorine anion bullet C4H10BF)

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

Quantity Value Units Method Reference Comment
Deltar64.00kcal/molIMRBMurphy and Beauchamp, 1977, 2gas phase; Fluoride Affinity: iPr3B > Et2BF > Et3B; B
Deltar58.0 ± 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
Deltar51.5 ± 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 bullet Carbon dioxide)

By formula: F- + CO2 = (F- bullet CO2)

Quantity Value Units Method Reference Comment
Deltar32.07kcal/molN/AArnold, Bradforth, et al., 1995gas phase; B
Deltar32.3 ± 2.0kcal/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B,M
Deltar31.7 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; B,M
Deltar33.0 ± 3.0kcal/molIMREMcMahon and Northcott, 1978gas phase; B
Quantity Value Units Method Reference Comment
Deltar26.7cal/mol*KPHPMSHiraoka, Mizuse, et al., 1987gas phase; M
Deltar24.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
Deltar24.3 ± 2.0kcal/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B
Deltar24.5 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; B,M
Deltar11.6kcal/molFASpears and Ferguson, 1973gas phase; DG>; M

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

By formula: F- + F4OS = (F- bullet F4OS)

Quantity Value Units Method Reference Comment
Deltar58.0 ± 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
Deltar68. ± 10.kcal/molIMRBArnold, Miller, et al., 2002gas phase; B
Quantity Value Units Method Reference Comment
Deltar52.7 ± 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 bullet 2Water) + Water = (Fluorine anion bullet 3Water)

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

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar15.30 ± 0.40kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Deltar13.7 ± 1.0kcal/molTDAsPayzant, Yamdagni, et al., 1971gas phase; B
Deltar13.7 ± 1.0kcal/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar22.9cal/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Deltar20.4cal/mol*KHPMSArshadi, Yamdagni, et al., 1970gas phase; M
Quantity Value Units Method Reference Comment
Deltar8.4 ± 1.3kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B
Deltar7.6 ± 1.4kcal/molTDAsPayzant, Yamdagni, et al., 1971gas phase; B
Deltar7.60kcal/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B

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

By formula: F- + AsFS- = (F- bullet AsFS-)

Quantity Value Units Method Reference Comment
Deltar56.0 ± 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
Deltar47.5 ± 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 bullet AsFO)

By formula: F- + AsFO = (F- bullet AsFO)

Quantity Value Units Method Reference Comment
Deltar54.0 ± 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
Deltar48.0 ± 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 bullet Disulfur monoxide)

By formula: F- + OS2 = (F- bullet OS2)

Quantity Value Units Method Reference Comment
Deltar44.0 ± 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
Deltar37.0 ± 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 bullet C4H4F6O)

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

Quantity Value Units Method Reference Comment
Deltar46.0 ± 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
Deltar37.9 ± 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 bullet 1,1,1,3,3,3-Hexafluoro-2-(trifluoromethyl)-2-propanol)

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

Quantity Value Units Method Reference Comment
Deltar56.3 ± 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
Deltar47.9 ± 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 bullet Boric acid, trimethyl ester)

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

Quantity Value Units Method Reference Comment
Deltar42.0 ± 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
Deltar34.0 ± 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 bullet Triethyl borate)

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

Quantity Value Units Method Reference Comment
Deltar44.0 ± 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
Deltar36.6 ± 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 bullet fluorodimethoxyborane)

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

Quantity Value Units Method Reference Comment
Deltar52.0 ± 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
Deltar45.4 ± 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 bullet 2-Propanol, 1,1,1,3,3,3-hexafluoro-)

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

Quantity Value Units Method Reference Comment
Deltar47.0 ± 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
Deltar38.9 ± 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
Deltar62.0 ± 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
Deltar56.0 ± 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

References

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Notes

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

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Notes

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, References