Fluorine anion

Gas phase thermochemistry data

Go To: Top, 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.

Quantity Value Units Method Reference Comment
S°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, 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
ΔrH°82. ± 20.kcal/molAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
ΔrG°63.6 ± 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
ΔrH°372. ± 1.kcal/molAVGN/AAverage of 6 out of 7 values; Individual data points
Quantity Value Units Method Reference Comment
ΔrG°365.67 ± 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
ΔrG°365.53kcal/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
ΔrG°365.67 ± 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
ΔrG°365.5 ± 2.0kcal/molIMREBierbaum, Schmidt, et al., 1981gas phase; B
ΔrG°359.40kcal/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
ΔrH°53.8 ± 2.2kcal/molCIDTLobring, Check, et al., 2003gas phase; B
ΔrH°53.0 ± 2.5kcal/molCIDTSquires, 1992gas phase; B
ΔrH°43.8kcal/molICRLarson and McMahon, 1985gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
ΔrH°43.8 ± 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
ΔrH°59.kcal/molSAMSRobbiani and Franklin, 1979gas phase; Cl- + CO2ClF --> SO2F- + Cl2, ΔrH>; M
Quantity Value Units Method Reference Comment
ΔrS°24.cal/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
ΔrS°23.0cal/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
ΔrG°36.6kcal/molICRLarson and McMahon, 1985gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
ΔrG°36.9 ± 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
ΔrH°35.8kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
ΔrH°37.4kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
ΔrH°37.4 ± 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
ΔrS°24.2cal/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
ΔrG°30.2kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
ΔrG°30.2 ± 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
ΔrH°40.2kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
ΔrH°40.2 ± 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
ΔrH°50.0 ± 5.0kcal/molIMRBSullivan and Beauchamp, 1978gas phase; Fluoride Affinity: < OPF3, > F, SF4, Me3SiF, HCN, SO2; B
Quantity Value Units Method Reference Comment
ΔrS°25.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
ΔrS°25.5cal/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
ΔrG°32.6kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
ΔrG°32.6 ± 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
ΔrH°45.8 ± 1.6kcal/molCIDCWenthold and Squires, 1995gas phase; B
ΔrH°38.6 ± 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
ΔrH°>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
ΔrS°21.9cal/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
ΔrG°32.0 ± 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
ΔrH°120. ± 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
ΔrH°101. ± 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
ΔrH°78.6 ± 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
ΔrH°85. ± 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
ΔrH°101.0 ± 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
ΔrG°74. ± 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
ΔrH°42.6kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
ΔrH°42.6kcal/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
ΔrS°29.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
ΔrS°29.0cal/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
ΔrG°34.0kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
ΔrG°34.0kcal/molICRLarson and McMahon, 1984gas phase; switching reaction(F-)PF3; M
ΔrG°34.0kcal/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
ΔrH°47.9 ± 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
ΔrH°48.0 ± 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
ΔrS°26.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
ΔrG°40.1 ± 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
ΔrH°43.8kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
ΔrH°43.8kcal/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
ΔrS°25.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
ΔrS°25.6cal/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
ΔrG°36.2kcal/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
ΔrG°36.2kcal/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
ΔrH°>29.10 ± 0.50kcal/molN/AKawamata, Neigishi, et al., 1996gas phase; B
ΔrH°68.0 ± 5.0kcal/molIMRBMurphy and Beauchamp, 1977gas phase; Fluoride Affinity: <BF3, >iPr2BF; B
ΔrH°60.0 ± 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
ΔrG°54.1 ± 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
ΔrG°51.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
ΔrH°54.9 ± 2.3kcal/molCIDTLobring, Check, et al., 2003, 2gas phase; B
ΔrH°54.1 ± 6.5kcal/molTherLeffert, Tang, et al., 1974gas phase; From SF6; B
ΔrH°>40.5 ± 3.4kcal/molIMRBBabcock and Streit, 1981gas phase; Fluoride Affinity: SF4 > SF5; B
ΔrH°43.8 ± 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
ΔrG°36.2 ± 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
ΔrH°47.2 ± 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
ΔrS°28.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
ΔrG°38.8 ± 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
ΔrG°38.8kcal/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
ΔrH°58.50kcal/molIMRBMurphy and Beauchamp, 1977, 2gas phase; MeSiF3>Me3B>SF4; B
ΔrH°47.2 ± 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
ΔrS°25.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
ΔrG°39.7 ± 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
ΔrH°62.00kcal/molIMRBMurphy and Beauchamp, 1977, 2gas phase; iPr3B>Et3B>MeSiF3; B
ΔrH°51.0 ± 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
ΔrS°25.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
ΔrG°43.5 ± 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
ΔrH°38.2 ± 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
ΔrH°<54. ± 10.kcal/molIMRBMurphy and Beauchamp, 1977gas phase; B
Quantity Value Units Method Reference Comment
ΔrS°22.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
ΔrG°31.6 ± 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
ΔrH°36.0 ± 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
ΔrS°27.2cal/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
ΔrG°28.3kcal/molICRLarson and McMahon, 1984gas phase; switching reaction(F-)SO2F2; M
ΔrG°27.9 ± 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
ΔrH°61.5 ± 5.0kcal/molIMRBMurphy and Beauchamp, 1977gas phase; B
ΔrH°50.5 ± 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
ΔrS°25.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
ΔrG°43.0 ± 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
ΔrH°35.8 ± 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
ΔrH°30.0 ± 6.0kcal/molTherGalembeck, Faigle, et al., 1978gas phase; B
Quantity Value Units Method Reference Comment
ΔrS°27.5cal/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
ΔrG°27.6 ± 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
ΔrH°34.6 ± 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
ΔrS°18.8cal/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
ΔrG°29.0 ± 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
ΔrH°48.2 ± 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
ΔrS°24.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
ΔrG°41.0 ± 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
ΔrH°45.6 ± 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
ΔrS°28.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
ΔrG°37.2 ± 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
ΔrH°45.7 ± 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
ΔrS°29.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
ΔrG°37.0 ± 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
ΔrH°49.7 ± 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
ΔrS°27.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
ΔrG°41.6 ± 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
ΔrH°30.1 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
ΔrH°30.3kcal/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
ΔrS°24.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
ΔrS°22.8cal/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
ΔrG°23.3 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
ΔrG°23.1kcal/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
ΔrH°41.3 ± 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
ΔrS°26.3cal/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
ΔrG°33.5 ± 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
ΔrH°34.8 ± 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
ΔrS°26.3cal/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
ΔrG°27.0 ± 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
ΔrH°45.3 ± 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
ΔrS°24.2cal/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
ΔrG°38.1 ± 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
ΔrH°44.1 ± 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
ΔrS°25.6cal/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
ΔrG°36.5 ± 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
ΔrH°39.5 ± 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
ΔrS°22.2cal/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
ΔrG°32.9 ± 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
ΔrH°34.2 ± 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
ΔrS°23.2cal/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
ΔrG°27.3 ± 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
ΔrH°39.1 ± 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
ΔrS°26.8cal/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
ΔrG°31.1 ± 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
ΔrH°113.3 ± 3.6kcal/molTDAsBoltalina, Borshchevskii, et al., 1992gas phase; Critical review; value altered from reference due to conversion from electron convention to ion convention; B
ΔrH°112.3 ± 2.4kcal/molTDEqNikitin, Igolkina, et al., 1986gas phase; Reanalyzed literature data, 4.3 kcal < AlF3; B
ΔrH°116.5 ± 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
ΔrH°118.2 ± 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
ΔrH°112.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
ΔrH°19.20 ± 0.50kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; Stated electron affinity is the Vertical Detachment Energy; B,M
ΔrH°16.6 ± 1.0kcal/molTDAsPayzant, Yamdagni, et al., 1971gas phase; B
ΔrH°16.6 ± 1.0kcal/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°22.2cal/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
ΔrS°18.7cal/mol*KHPMSArshadi, Yamdagni, et al., 1970gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°12.5 ± 1.6kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; Stated electron affinity is the Vertical Detachment Energy; B
ΔrG°11.0 ± 1.4kcal/molTDAsPayzant, Yamdagni, et al., 1971gas phase; B
ΔrG°11.00kcal/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
ΔrH°64.00kcal/molIMRBMurphy and Beauchamp, 1977, 2gas phase; Fluoride Affinity: iPr3B > Et2BF > Et3B; B
ΔrH°58.0 ± 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
ΔrG°51.5 ± 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
ΔrH°32.07kcal/molN/AArnold, Bradforth, et al., 1995gas phase; B
ΔrH°32.3 ± 2.0kcal/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B,M
ΔrH°31.7 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; B,M
ΔrH°33.0 ± 3.0kcal/molIMREMcMahon and Northcott, 1978gas phase; B
Quantity Value Units Method Reference Comment
ΔrS°26.7cal/mol*KPHPMSHiraoka, Mizuse, et al., 1987gas phase; M
ΔrS°24.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
ΔrG°24.3 ± 2.0kcal/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B
ΔrG°24.5 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; B,M
ΔrG°11.6kcal/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
ΔrH°58.0 ± 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
ΔrH°68. ± 10.kcal/molIMRBArnold, Miller, et al., 2002gas phase; B
Quantity Value Units Method Reference Comment
ΔrG°52.7 ± 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
ΔrH°15.30 ± 0.40kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
ΔrH°13.7 ± 1.0kcal/molTDAsPayzant, Yamdagni, et al., 1971gas phase; B
ΔrH°13.7 ± 1.0kcal/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°22.9cal/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
ΔrS°20.4cal/mol*KHPMSArshadi, Yamdagni, et al., 1970gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°8.4 ± 1.3kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B
ΔrG°7.6 ± 1.4kcal/molTDAsPayzant, Yamdagni, et al., 1971gas phase; B
ΔrG°7.60kcal/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
ΔrH°56.0 ± 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
ΔrG°47.5 ± 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
ΔrH°54.0 ± 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
ΔrG°48.0 ± 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
ΔrH°44.0 ± 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
ΔrG°37.0 ± 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
ΔrH°46.0 ± 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
ΔrG°37.9 ± 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
ΔrH°56.3 ± 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
ΔrG°47.9 ± 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
ΔrH°42.0 ± 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
ΔrG°34.0 ± 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
ΔrH°44.0 ± 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
ΔrG°36.6 ± 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
ΔrH°52.0 ± 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
ΔrG°45.4 ± 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
ΔrH°47.0 ± 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
ΔrG°38.9 ± 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
ΔrH°62.0 ± 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
ΔrG°56.0 ± 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

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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
ΔrH°372. ± 1.kcal/molAVGN/AAverage of 6 out of 7 values; Individual data points
Quantity Value Units Method Reference Comment
ΔrG°365.67 ± 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
ΔrG°365.53kcal/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
ΔrG°365.67 ± 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.
ΔrG°365.5 ± 2.0kcal/molIMREBierbaum, Schmidt, et al., 1981gas phase
ΔrG°359.40kcal/molN/ACheck, Faust, et al., 2001gas phase; FeCl3-; ; ΔS(EA)=5.0

References

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

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