Fluorine anion

Ion clustering 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 as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias

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Clustering reactions

Fluorine anion = H2AlF2-

By formula: F- = H2AlF2-

Quantity Value Units Method Reference Comment
ΔrH°97.5 ± 4.0kcal/molCIDTWilliams and Wenthold, 2011gas phase; B

Fluorine anion = H3AlF-

By formula: F- = H3AlF-

Quantity Value Units Method Reference Comment
ΔrH°93. ± 50.kcal/molN/AWilliams and Wenthold, 2011gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°117.4 ± 2.9kcal/molTDAsPervova, Korobov, et al., 1992gas phase; Thermo at 0K, experiments at 800-1100 K; value altered from reference due to conversion from electron convention to ion convention; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°119.3 ± 2.9kcal/molTDAsPervova, Korobov, et al., 1992gas phase; Thermo at 0K, experiments at 800-1100 K; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + AlCl3 = (Fluorine anion • AlCl3)

By formula: F- + AlCl3 = (F- • AlCl3)

Quantity Value Units Method Reference Comment
ΔrH°120.9 ± 3.0kcal/molTDAsPervova, Korobov, et al., 1992gas phase; Thermo at 0K, experiments at 800-1100 K; value altered from reference due to conversion from electron convention to ion convention; B

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

By formula: F- + AlF3 = (F- • AlF3)

Quantity Value Units Method Reference Comment
ΔrH°120. ± 20.kcal/molAVGN/AAverage of 7 values; Individual data points

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

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

Quantity Value Units Method Reference Comment
ΔrH°56.kcal/molMSPyatenko, Gusarov, et al., 1981gas phase; Knudsen cell; M
ΔrH°48.8kcal/molMSNikitin, Skokan, et al., 1979gas phase; Knudsen cell; M

Fluorine anion + Argon = ArF-

By formula: F- + Ar = ArF-

Quantity Value Units Method Reference Comment
ΔrH°2.00kcal/molTDAsWada, Kikkawa, et al., 2007gas phase; Entropy estimated; B
Quantity Value Units Method Reference Comment
ΔrG°-3.96kcal/molTDAsWada, Kikkawa, et al., 2007gas phase; Entropy estimated; B

Fluorine anion + AsFO = (Fluorine anion • AsFO)

By formula: F- + AsFO = (F- • AsFO)

Quantity Value Units Method Reference Comment
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 + 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 + 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 + pentafluoroarsorane = (Fluorine anion • pentafluoroarsorane)

By formula: F- + AsF5 = (F- • AsF5)

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

Fluorine anion + AuF3 = (Fluorine anion • AuF3)

By formula: F- + AuF3 = (F- • AuF3)

Quantity Value Units Method Reference Comment
ΔrH°101.8 ± 6.0kcal/molTDEqChilingarov, Korobov, et al., 1986gas phase; Fluoride Affinity: 1.2±5.0 kcal/mol > MnF3; value altered from reference due to conversion from electron convention to ion convention; B

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

By formula: F- + BCl3 = (F- • BCl3)

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

Fluorine anion + BFO = (Fluorine anion • BFO)

By formula: F- + BFO = (F- • BFO)

Quantity Value Units Method Reference Comment
ΔrH°48. ± 3.kcal/molICRLarson and McMahon, 1987gas phase; bracketing; M

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

By formula: F- + BF3 = (F- • BF3)

Quantity Value Units Method Reference Comment
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 + BeF2 = (Fluorine anion • BeF2)

By formula: F- + BeF2 = (F- • BeF2)

Quantity Value Units Method Reference Comment
ΔrH°97.3 ± 2.3kcal/molTDEqNikitin, Sorokin, et al., 1980gas phase; Fluoride Affinity: 19.9±1.7 kcal < AlF3; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + Be2F4 = (Fluorine anion • Be2F4)

By formula: F- + Be2F4 = (F- • Be2F4)

Quantity Value Units Method Reference Comment
ΔrH°111.0 ± 2.0kcal/molTDEqNikitin, Sorokin, et al., 1980gas phase; Fluoride Affinity of Be2F4: 6.3±2 kcal < AlF3; value altered from reference due to conversion from electron convention to ion convention; B

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

By formula: F- + CF2O = (F- • CF2O)

Quantity Value Units Method Reference Comment
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 + Tetrafluoromethane = (Fluorine anion • Tetrafluoromethane)

By formula: F- + CF4 = (F- • CF4)

Quantity Value Units Method Reference Comment
ΔrH°6.4kcal/molPHPMSHiraoka, Nasu, et al., 1995gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°22.cal/mol*KPHPMSHiraoka, Nasu, et al., 1995gas phase; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°5.9kcal/molPHPMSHiraoka, Nasu, et al., 1995gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°22.cal/mol*KPHPMSHiraoka, Nasu, et al., 1995gas phase; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°4.1kcal/molPHPMSHiraoka, Nasu, et al., 1995gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°17.cal/mol*KPHPMSHiraoka, Nasu, et al., 1995gas phase; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°3.9kcal/molPHPMSHiraoka, Nasu, et al., 1995gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°19.cal/mol*KPHPMSHiraoka, Nasu, et al., 1995gas phase; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°2.4kcal/molPHPMSHiraoka, Nasu, et al., 1995gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°19.cal/mol*KN/AHiraoka, Nasu, et al., 1995gas phase; Entropy change calculated or estimated; M

Fluorine anion + CHFO = (Fluorine anion • CHFO)

By formula: F- + CHFO = (F- • CHFO)

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

Fluorine anion + Fluoroform = (Fluorine anion • Fluoroform)

By formula: F- + CHF3 = (F- • CHF3)

Quantity Value Units Method Reference Comment
ΔrH°27.1 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°25.2cal/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°19.6 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M

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

By formula: F- + CHN = (F- • CHN)

Quantity Value Units Method Reference Comment
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 + F2Si=CH2 = (Fluorine anion • F2Si=CH2)

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

Quantity Value Units Method Reference Comment
ΔrH°46. ± 2.kcal/molICRAllison and McMahon, 1990gas phase; bracketing; M

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

By formula: F- + CH2O2 = (F- • CH2O2)

Quantity Value Units Method Reference Comment
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 + Methoxydifluoroborane = (Fluorine anion • Methoxydifluoroborane)

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

Quantity Value Units Method Reference Comment
ΔrH°62.kcal/molICRLarson and McMahon, 1985gas phase; ΔrH>, bracketing; M

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

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

Quantity Value Units Method Reference Comment
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 + Methyl Alcohol = CH3D4FO-

By formula: F- + CH4O = CH3D4FO-

Quantity Value Units Method Reference Comment
ΔrH°29.8 ± 2.0kcal/molTDEqWilkinson, Szulejko, et al., 1992gas phase; Reported relative to ROH..F-, 0.5 kcal/mol weaker.; B
Quantity Value Units Method Reference Comment
ΔrG°22.4 ± 2.0kcal/molTDEqWilkinson, Szulejko, et al., 1992gas phase; Reported relative to ROH..F-, 0.5 kcal/mol weaker.; B

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

By formula: F- + CH4O = (F- • CH4O)

Quantity Value Units Method Reference Comment
ΔrH°29.6 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
ΔrH°29.4 ± 2.2kcal/molCIDTDeTuri and Ervin, 1999gas phase; B
ΔrH°23.3 ± 2.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°25.0cal/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
ΔrS°22.6cal/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°22.8 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
ΔrG°15.8 ± 2.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°20.30 ± 0.30kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
ΔrH°19.3 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°23.2cal/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°12.97kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
ΔrG°12.4 ± 2.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°15.10 ± 0.60kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
ΔrH°14.5 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°21.2cal/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°8.06kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
ΔrG°8.2 ± 2.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°12.5 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°23.5cal/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°5.5 ± 2.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°11.9 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°27.3cal/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°3.8 ± 2.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°11.5 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°29.8cal/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°2.6 ± 2.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°9.8 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°25.5cal/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°2.2 ± 2.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°9.7 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°26.8cal/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°1.7 ± 2.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°9.2 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°25.7cal/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°1.5 ± 2.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°8.8 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°25.1cal/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°1.3 ± 2.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°8.6 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°25.5cal/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°1.0 ± 2.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°8.5 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; Entropy estimated.; B,M
Quantity Value Units Method Reference Comment
ΔrS°25.cal/mol*KN/AHiraoka and Yamabe, 1991gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrG°1.1 ± 2.0kcal/molTDAsHiraoka and Yamabe, 1991gas phase; Entropy estimated.; B

Fluorine anion + Methanethiol = (Fluorine anion • Methanethiol)

By formula: F- + CH4S = (F- • CH4S)

Quantity Value Units Method Reference Comment
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 + Methane = CH4F-

By formula: F- + CH4 = CH4F-

Quantity Value Units Method Reference Comment
ΔrH°6.70kcal/molN/AHiraoka, Mizuno, et al., 2001gas phase; B
Quantity Value Units Method Reference Comment
ΔrG°1.63kcal/molTDAsHiraoka, Mizuno, et al., 2001gas phase; B

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

By formula: F- + COS = (F- • COS)

Quantity Value Units Method Reference Comment
ΔrH°31.8 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; 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°24.6 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; B,M

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

By formula: F- + CO2 = (F- • CO2)

Quantity Value Units Method Reference Comment
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 • Carbon dioxide) + Carbon dioxide = (Fluorine anion • 2Carbon dioxide)

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

Quantity Value Units Method Reference Comment
ΔrH°7.3 ± 1.0kcal/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°18.2cal/mol*KPHPMSHiraoka, Mizuse, et al., 1987gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°1.9 ± 2.0kcal/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°7.2 ± 1.0kcal/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°22.6cal/mol*KPHPMSHiraoka, Mizuse, et al., 1987gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°0.5 ± 2.0kcal/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°5.8 ± 1.0kcal/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°20.3cal/mol*KPHPMSHiraoka, Mizuse, et al., 1987gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°-0.2 ± 2.0kcal/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°5.6 ± 1.0kcal/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°22.3cal/mol*KPHPMSHiraoka, Mizuse, et al., 1987gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°-1.0 ± 2.0kcal/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°5.3 ± 1.0kcal/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°22.5cal/mol*KPHPMSHiraoka, Mizuse, et al., 1987gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°-1.4 ± 2.0kcal/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°3.9kcal/molPHPMSHiraoka, Mizuse, et al., 1987gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°18.cal/mol*KN/AHiraoka, Mizuse, et al., 1987gas phase; Entropy change calculated or estimated; M

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

By formula: F- + CS2 = (F- • CS2)

Quantity Value Units Method Reference Comment
ΔrH°35.0 ± 1.5kcal/molTDAsHiraoka, Fujimaki, et al., 1993gas phase; B,M
ΔrH°31.3 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; B
Quantity Value Units Method Reference Comment
ΔrS°28.2cal/mol*KPHPMSHiraoka, Fujimaki, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°26.5 ± 1.5kcal/molTDAsHiraoka, Fujimaki, et al., 1993gas phase; B
ΔrG°24.1 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°6.70 ± 0.20kcal/molTDAsHiraoka, Fujimaki, et al., 1993gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°15.3cal/mol*KPHPMSHiraoka, Fujimaki, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°2.1 ± 1.0kcal/molTDAsHiraoka, Fujimaki, et al., 1993gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°5.4 ± 1.0kcal/molTDAsHiraoka, Fujimaki, et al., 1993gas phase; Estimated entropy; single temperature measurement; B,M
Quantity Value Units Method Reference Comment
ΔrS°17.cal/mol*KN/AHiraoka, Fujimaki, et al., 1993gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrG°0.3 ± 1.0kcal/molTDAsHiraoka, Fujimaki, et al., 1993gas phase; Estimated entropy; single temperature measurement; B

Fluorine anion + C2F2O2 = (Fluorine anion • C2F2O2)

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

Quantity Value Units Method Reference Comment
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 + Acetonitrile, trifluoro- = (Fluorine anion • Acetonitrile, trifluoro-)

By formula: F- + C2F3N = (F- • C2F3N)

Quantity Value Units Method Reference Comment
ΔrH°29.2 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; 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°21.9 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; B,M

Fluorine anion + C2F4O = (Fluorine anion • C2F4O)

By formula: F- + C2F4O = (F- • C2F4O)

Quantity Value Units Method Reference Comment
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 + Ethene, trifluoro- = (Fluorine anion • Ethene, trifluoro-)

By formula: F- + C2HF3 = (F- • C2HF3)

Quantity Value Units Method Reference Comment
ΔrH°26.3 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
ΔrH°24.3 ± 6.0kcal/molIMRBSullivan and Beauchamp, 1976gas phase; B
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°18.7 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M

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

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

Quantity Value Units Method Reference Comment
ΔrG°27.0 ± 2.0kcal/molIMRELarson and McMahon, 1984gas phase; B,M

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

By formula: F- + C2HF5 = (F- • C2HF5)

Quantity Value Units Method Reference Comment
ΔrH°30.4 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°26.6cal/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°22.5 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M

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

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

Quantity Value Units Method Reference Comment
ΔrH°26.7 ± 5.0kcal/molTherSullivan and Beauchamp, 1976gas phase; From CH3CF3; B

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

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

Quantity Value Units Method Reference Comment
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 + Ketene = (Fluorine anion • Ketene)

By formula: F- + C2H2O = (F- • C2H2O)

Quantity Value Units Method Reference Comment
ΔrH°35.3kcal/molICRLarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
ΔrS°26.5cal/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°27.4kcal/molICRLarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M

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

By formula: F- + C2H3F = (F- • C2H3F)

Quantity Value Units Method Reference Comment
ΔrH°15.6 ± 4.0kcal/molIMRBSullivan and Beauchamp, 1976gas phase; B

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

By formula: F- + C2H3F3O = C2H2D3F4O-

Quantity Value Units Method Reference Comment
ΔrG°30.5 ± 2.0kcal/molIMREWilkinson, Szulejko, et al., 1992gas phase; Reported relative to ROH..F-, 0.5 kcal/mol weaker.; B

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

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

Quantity Value Units Method Reference Comment
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 + 1,1,2-Trifluoroethane = (Fluorine anion • 1,1,2-Trifluoroethane)

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

Quantity Value Units Method Reference Comment
ΔrH°26.5kcal/molICRLarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
ΔrS°25.9cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
ΔrG°18.8kcal/molICRLarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M

Fluorine anion + Acetonitrile = (Fluorine anion • Acetonitrile)

By formula: F- + C2H3N = (F- • C2H3N)

Quantity Value Units Method Reference Comment
ΔrH°24.5 ± 2.0kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; Discrepancy with Yamdagni and Kebarle, 1972 "not resolved; B,M
ΔrH°16.0 ± 2.0kcal/molTDAsYamdagni and Kebarle, 1972gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°22.9cal/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
ΔrS°13.4cal/mol*KPHPMSYamdagni and Kebarle, 1972gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
ΔrG°17.6 ± 3.3kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; Discrepancy with Yamdagni and Kebarle, 1972 "not resolved; B
ΔrG°12.0 ± 2.0kcal/molTDAsYamdagni and Kebarle, 1972gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°17.7 ± 1.5kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
ΔrH°12.90kcal/molTDAsYamdagni and Kebarle, 1972gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°22.9cal/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
ΔrS°14.8cal/mol*KPHPMSYamdagni and Kebarle, 1972gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
ΔrG°10.8 ± 3.4kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B
ΔrG°8.50kcal/molTDAsYamdagni and Kebarle, 1972gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°15.1 ± 1.0kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
ΔrH°11.70kcal/molTDAsYamdagni and Kebarle, 1972gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°22.4cal/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
ΔrS°17.9cal/mol*KPHPMSYamdagni and Kebarle, 1972gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
ΔrG°8.4 ± 2.5kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B
ΔrG°6.40kcal/molTDAsYamdagni and Kebarle, 1972gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°12.80 ± 0.50kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
ΔrH°10.40kcal/molTDAsYamdagni and Kebarle, 1972gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°26.3cal/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
ΔrS°19.6cal/mol*KPHPMSYamdagni and Kebarle, 1972gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°4.9 ± 1.9kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B
ΔrG°4.50kcal/molTDAsYamdagni and Kebarle, 1972gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°11.50 ± 0.20kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
ΔrH°5.30kcal/molTDAsYamdagni and Kebarle, 1972gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°29.6cal/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
ΔrS°7.4cal/mol*KPHPMSYamdagni and Kebarle, 1972gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
ΔrG°2.60 ± 0.80kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B
ΔrG°3.10kcal/molTDAsYamdagni and Kebarle, 1972gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°9.70 ± 0.20kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°27.8cal/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°1.40 ± 0.90kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°8.50kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; Entropy estimated; B,M
Quantity Value Units Method Reference Comment
ΔrS°28.cal/mol*KN/AHiraoka, Mizuse, et al., 1988gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrG°0.10kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; Entropy estimated; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°28.1 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°26.0cal/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°20.3 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M

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

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

Quantity Value Units Method Reference Comment
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 + Ethylene = (Fluorine anion • Ethylene)

By formula: F- + C2H4 = (F- • C2H4)

Quantity Value Units Method Reference Comment
ΔrH°6.0 ± 3.0kcal/molIMRBSullivan and Beauchamp, 1976gas phase; Structure: Roy and McMahon, 1985; B

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

By formula: F- + C2H5FO = C2H4D5F2O-

Quantity Value Units Method Reference Comment
ΔrG°26.5 ± 2.0kcal/molIMREWilkinson, Szulejko, et al., 1992gas phase; Reported relative to ROH..F-, 0.5 kcal/mol weaker.; B

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

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

Quantity Value Units Method Reference Comment
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 + F(CH3)Si=CH2 = (Fluorine anion • F(CH3)Si=CH2)

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

Quantity Value Units Method Reference Comment
ΔrH°40. ± 2.kcal/molICRAllison and McMahon, 1990gas phase; bracketing; M

Fluorine anion + fluorodimethoxyborane = (Fluorine anion • fluorodimethoxyborane)

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

Quantity Value Units Method Reference Comment
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 + C2H6BF = (Fluorine anion • C2H6BF)

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

Quantity Value Units Method Reference Comment
ΔrH°61.80kcal/molIMRBMurphy and Beauchamp, 1977, 2gas phase; Fluoride Affinity: Et3B > Me2BF > MeSiF3 > Me3B > SF4; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°55.5 ± 5.0kcal/molIMRBMurphy and Beauchamp, 1977gas phase; Fluoride Affinity: SF4<Me2SiF2<Me3B; B

Fluorine anion + Ethanol = C2H5D6FO-

By formula: F- + C2H6O = C2H5D6FO-

Quantity Value Units Method Reference Comment
ΔrG°23.7 ± 2.0kcal/molIMREWilkinson, Szulejko, et al., 1992gas phase; Reported relative to ROH..F-, 0.5 kcal/mol weaker.; B

Fluorine anion + Ethanol = (Fluorine anion • Ethanol)

By formula: F- + C2H6O = (F- • C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°32.40 ± 0.70kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
ΔrH°31.5 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
ΔrH°32.5 ± 2.2kcal/molCIDTDeTuri and Ervin, 1999gas phase; B
Quantity Value Units Method Reference Comment
ΔrS°24.9cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
ΔrG°24.74kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
ΔrG°24.1 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M

Fluorine anion + C3F5N = (Fluorine anion • C3F5N)

By formula: F- + C3F5N = (F- • C3F5N)

Quantity Value Units Method Reference Comment
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 + 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 + 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 + 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 + Oxirane, (fluoromethyl)- = (Fluorine anion • Oxirane, (fluoromethyl)-)

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

Quantity Value Units Method Reference Comment
ΔrH°25.5 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°23.7cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
ΔrG°18.4 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M

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

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

Quantity Value Units Method Reference Comment
ΔrH°37.8kcal/molICRLarson and McMahon, 1983gas phase; switching reaction(H2O), Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
ΔrS°26.5cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(H2O), Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
ΔrG°29.9kcal/molICRLarson and McMahon, 1983gas phase; switching reaction(H2O), Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M

Fluorine anion + Isopropyl Alcohol = C3H7D8FO-

By formula: F- + C3H8O = C3H7D8FO-

Quantity Value Units Method Reference Comment
ΔrG°24.3 ± 2.0kcal/molIMREWilkinson, Szulejko, et al., 1992gas phase; Reported relative to ROH..F-, 0.5 kcal/mol weaker.; B

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

By formula: F- + C3H8O = (F- • C3H8O)

Quantity Value Units Method Reference Comment
ΔrH°33.50 ± 0.70kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
ΔrH°32.3 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
ΔrH°33.2 ± 2.2kcal/molCIDTDeTuri and Ervin, 1999gas phase; B
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°25.69kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
ΔrG°24.7 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M

Fluorine anion + 2Isopropyl Alcohol = C6H16FO2-

By formula: F- + 2C3H8O = C6H16FO2-

Quantity Value Units Method Reference Comment
ΔrH°20.80 ± 0.20kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Quantity Value Units Method Reference Comment
ΔrG°13.26kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B

Fluorine anion + 3Isopropyl Alcohol = C9H24FO3-

By formula: F- + 3C3H8O = C9H24FO3-

Quantity Value Units Method Reference Comment
ΔrH°17.60 ± 0.20kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Quantity Value Units Method Reference Comment
ΔrG°8.36kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B

Fluorine anion + 1-Propanol = C3H7D8FO-

By formula: F- + C3H8O = C3H7D8FO-

Quantity Value Units Method Reference Comment
ΔrG°24.3 ± 2.0kcal/molIMREWilkinson, Szulejko, et al., 1992gas phase; Reported relative to ROH..F-, 0.5 kcal/mol weaker.; B

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

By formula: F- + C3H8O = (F- • C3H8O)

Quantity Value Units Method Reference Comment
ΔrH°32.3 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°25.4cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
ΔrG°24.7 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M

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

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

Quantity Value Units Method Reference Comment
ΔrH°37. ± 2.kcal/molICRAllison and McMahon, 1990gas phase; bracketing; M

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

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

Quantity Value Units Method Reference Comment
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 + 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 + 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 + C4F7N = (Fluorine anion • C4F7N)

By formula: F- + C4F7N = (F- • C4F7N)

Quantity Value Units Method Reference Comment
ΔrH°30.8 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; 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°23.6 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; B,M

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

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

Quantity Value Units Method Reference Comment
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 + 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 + Pyrrole = (Fluorine anion • Pyrrole)

By formula: F- + C4H5N = (F- • C4H5N)

Quantity Value Units Method Reference Comment
ΔrH°34.2 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
Quantity Value Units Method Reference Comment
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°26.6 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M

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

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

Quantity Value Units Method Reference Comment
ΔrH°22.3 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B
Quantity Value Units Method Reference Comment
ΔrG°15.3 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B

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

By formula: F- + C4H9F = (F- • C4H9F)

Quantity Value Units Method Reference Comment
ΔrH°22.3kcal/molICRLarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
ΔrS°23.6cal/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°15.3kcal/molICRLarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M

Fluorine anion + C4H10BF = (Fluorine anion • C4H10BF)

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

Quantity Value Units Method Reference Comment
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 + 1-Butanol = C4H9D10FO-

By formula: F- + C4H10O = C4H9D10FO-

Quantity Value Units Method Reference Comment
ΔrG°24.1 ± 2.0kcal/molIMREWilkinson, Szulejko, et al., 1992gas phase; Reported relative to ROH..F-, 0.5 kcal/mol weaker.; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°32.2 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°25.9cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
ΔrG°24.5 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M

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

By formula: F- + C4H10O = C4H9D10FO-

Quantity Value Units Method Reference Comment
ΔrG°25.1 ± 2.0kcal/molIMREWilkinson, Szulejko, et al., 1992gas phase; Reported relative to ROH..F-, 0.5 kcal/mol weaker.; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°33.40 ± 0.70kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
ΔrH°33.3 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
ΔrH°32.7 ± 2.2kcal/molCIDTDeTuri and Ervin, 1999gas phase; B
Quantity Value Units Method Reference Comment
ΔrS°26.1cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
ΔrG°26.01kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
ΔrG°25.5 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M

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

By formula: F- + 2C4H10O = C8H20FO2-

Quantity Value Units Method Reference Comment
ΔrH°22.00 ± 0.40kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Quantity Value Units Method Reference Comment
ΔrG°13.59kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B

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

By formula: F- + 3C4H10O = C12H30FO3-

Quantity Value Units Method Reference Comment
ΔrH°18.3 ± 1.0kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Quantity Value Units Method Reference Comment
ΔrG°7.81kcal/molTDAsBogdanov, Peschke, et al., 1999gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°29.9 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°21.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°23.6 ± 2.0kcal/molIMRELarson and McMahon, 1985gas phase; B,M

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

By formula: F- + C5F5N = (F- • C5F5N)

Quantity Value Units Method Reference Comment
ΔrH°34.2 ± 2.0kcal/molTDEqDillow and Kebarle, 1988gas phase; B
Quantity Value Units Method Reference Comment
ΔrG°25.7 ± 2.0kcal/molTDEqDillow and Kebarle, 1988gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrG°46.0 ± 4.5kcal/molIMRELarson and McMahon, 1984gas phase; B,M

Fluorine anion + Cyclopentene, octafluoro- = C5F9-

By formula: F- + C5F8 = C5F9-

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

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

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

Quantity Value Units Method Reference Comment
ΔrH°40.9 ± 2.0kcal/molIMRELane, Sallans, et al., 1985gas phase; B
Quantity Value Units Method Reference Comment
ΔrG°34.4 ± 2.0kcal/molIMRELane, Sallans, et al., 1985gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°24.6 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°26.2cal/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°16.8 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M

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

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

Quantity Value Units Method Reference Comment
ΔrH°37.7 ± 2.2kcal/molIMRESullivan, DePuy, et al., 1981gas phase; B
Quantity Value Units Method Reference Comment
ΔrG°31.1 ± 2.2kcal/molIMRESullivan, DePuy, et al., 1981gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°41.1 ± 2.0kcal/molIMREDillow and Kebarle, 1988gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B,M
Quantity Value Units Method Reference Comment
ΔrS°19.6cal/mol*KN/ADillow and Kebarle, 1988gas phase; switching reaction,Thermochemical ladder(F-)C6F6, Entropy change calculated or estimated; Hiraoka, Mizuse, et al., 1987, 2; M
Quantity Value Units Method Reference Comment
ΔrG°32.8 ± 2.0kcal/molIMREDillow and Kebarle, 1988gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B

Free energy of reaction

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

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

By formula: F- + C6F6 = (F- • C6F6)

Quantity Value Units Method Reference Comment
ΔrH°27.5 ± 1.0kcal/molTDAsHiraoka, Mizuse, et al., 1987, 2gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°23.7cal/mol*KPHPMSHiraoka, Mizuse, et al., 1987, 3gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°20.4 ± 1.6kcal/molTDAsHiraoka, Mizuse, et al., 1987, 2gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°7.5kcal/molPHPMSHiraoka, Mizuse, et al., 1987, 3gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°12.6cal/mol*KPHPMSHiraoka, Mizuse, et al., 1987, 3gas phase; M

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

By formula: F- + C6HF5 = (F- • C6HF5)

Quantity Value Units Method Reference Comment
ΔrH°29.2 ± 2.0kcal/molIMREDillow and Kebarle, 1988gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B,M
Quantity Value Units Method Reference Comment
ΔrS°20.1cal/mol*KN/ADillow and Kebarle, 1988gas phase; switching reaction,Thermochemical ladder(F-)C6F6, Entropy change calculated or estimated; Hiraoka, Mizuse, et al., 1987, 2; M
Quantity Value Units Method Reference Comment
ΔrG°20.7 ± 2.0kcal/molIMREDillow and Kebarle, 1988gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B

Free energy of reaction

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

Fluorine anion + Trifluorophenylsilane = C6H5F4Si-

By formula: F- + C6H5F3Si = C6H5F4Si-

Quantity Value Units Method Reference Comment
ΔrH°79.4 ± 3.3kcal/molCIDTKrouse, Lardin, et al., 2003gas phase; B

Fluorine anion + Phenol = (Fluorine anion • Phenol)

By formula: F- + C6H6O = (F- • C6H6O)

Quantity Value Units Method Reference Comment
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 + Benzene = (Fluorine anion • Benzene)

By formula: F- + C6H6 = (F- • C6H6)

Quantity Value Units Method Reference Comment
ΔrH°15.30kcal/molTDAsHiraoka, Mizuse, et al., 1987, 2gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°19.5cal/mol*KPHPMSHiraoka, Mizuse, et al., 1987, 2gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°9.40kcal/molTDAsHiraoka, Mizuse, et al., 1987, 2gas phase; B

Fluorine anion + Aniline = (Fluorine anion • Aniline)

By formula: F- + C6H7N = (F- • C6H7N)

Quantity Value Units Method Reference Comment
ΔrH°31.2 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°26.2cal/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°23.4 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B,M

Fluorine anion + C6H14BF2 = (Fluorine anion • C6H14BF2)

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

Quantity Value Units Method Reference Comment
ΔrH°66.50kcal/molIMRBMurphy and Beauchamp, 1977, 2gas phase; Fluoride Affinity: SiF4>iPr2BF>iPr3B; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°34.90kcal/molN/AMihalick, Gatev, et al., 1996gas phase; affinity derived using a ROH..F. neutral binding energy of 10.3 kcal/mol.; B

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

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

Quantity Value Units Method Reference Comment
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 + 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 + Benzonitrile, pentafluoro- = (Fluorine anion • Benzonitrile, pentafluoro-)

By formula: F- + C7F5N = (F- • C7F5N)

Quantity Value Units Method Reference Comment
ΔrH°39.3 ± 2.0kcal/molIMREDillow and Kebarle, 1988gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B,M
Quantity Value Units Method Reference Comment
ΔrS°20.1cal/mol*KN/ADillow and Kebarle, 1988gas phase; switching reaction,Thermochemical ladder(F-)C6F6, Entropy change calculated or estimated; Hiraoka, Mizuse, et al., 1987, 2; M
Quantity Value Units Method Reference Comment
ΔrG°30.8 ± 2.0kcal/molIMREDillow and Kebarle, 1988gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B

Free energy of reaction

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

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

By formula: F- + C7F8 = (F- • C7F8)

Quantity Value Units Method Reference Comment
ΔrH°33.6 ± 2.0kcal/molIMREDillow and Kebarle, 1988gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B,M
Quantity Value Units Method Reference Comment
ΔrS°20.1cal/mol*KN/ADillow and Kebarle, 1988gas phase; switching reaction,Thermochemical ladder(C6F6), Entropy change calculated or estimated; Hiraoka, Mizuse, et al., 1987, 2; M
Quantity Value Units Method Reference Comment
ΔrG°25.1 ± 2.0kcal/molIMREDillow and Kebarle, 1988gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B

Free energy of reaction

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

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

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

Quantity Value Units Method Reference Comment
ΔrH°37.5kcal/molPHPMSDillow and Kebarle, 1988gas phase; switching reaction,Thermochemical ladder(F-)C6F6, Entropy change calculated or estimated; Hiraoka, Mizuse, et al., 1987, 2; M
Quantity Value Units Method Reference Comment
ΔrS°20.1cal/mol*KN/ADillow and Kebarle, 1988gas phase; switching reaction,Thermochemical ladder(F-)C6F6, Entropy change calculated or estimated; Hiraoka, Mizuse, et al., 1987, 2; M

Free energy of reaction

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

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

By formula: F- + C7H7F = (F- • C7H7F)

Quantity Value Units Method Reference Comment
ΔrH°24.4 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B
Quantity Value Units Method Reference Comment
ΔrG°16.5 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; B

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

By formula: F- + C7H7F = (F- • C7H7F)

Quantity Value Units Method Reference Comment
ΔrH°24.4kcal/molICRLarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
ΔrS°26.6cal/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°16.5kcal/molICRLarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M

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

By formula: F- + C7H8O = (F- • C7H8O)

Quantity Value Units Method Reference Comment
ΔrH°32.40kcal/molN/AMihalick, Gatev, et al., 1996gas phase; affinity derived using a ROH..F. neutral binding energy of 10.3 kcal/mol.; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°33.80kcal/molN/AMihalick, Gatev, et al., 1996gas phase; affinity derived using a ROH..F. neutral binding energy of 10.3 kcal/mol.; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°37.5 ± 2.0kcal/molIMREDillow and Kebarle, 1988gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B
Quantity Value Units Method Reference Comment
ΔrG°29.0 ± 2.0kcal/molIMREDillow and Kebarle, 1988gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°65.00kcal/molIMRBMurphy and Beauchamp, 1977, 2gas phase; Fluoride Affinity: iPr2BF > iPr3B > Et2BF > Et3B; B

Fluorine anion + CeF3 = (Fluorine anion • CeF3)

By formula: F- + CeF3 = (F- • CeF3)

Quantity Value Units Method Reference Comment
ΔrH°109.7 ± 7.0kcal/molTherSidorov, Sorokin, et al., 1981gas phase; value altered from reference due to conversion from electron convention to ion convention; B

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

By formula: F- + ClI = (F- • ClI)

Quantity Value Units Method Reference Comment
ΔrH°94.40kcal/molTherFinch, Gates, et al., 1977gas phase; This value is far more strongly bound than expected from other X3- data; B
ΔrH°43.30kcal/molN/ACheck, Faust, et al., 2001gas phase; FeH2-(q); ; ΔS(EA)=8.2; B
Quantity Value Units Method Reference Comment
ΔrG°33.00kcal/molN/ACheck, Faust, et al., 2001gas phase; FeH2-(q); ; ΔS(EA)=8.2; B

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

By formula: F- + CoF3 = (F- • CoF3)

Quantity Value Units Method Reference Comment
ΔrH°105.7 ± 6.0kcal/molTDAsRau, Chilingarov, et al., 1997gas phase; Values are at 0K; value altered from reference due to conversion from electron convention to ion convention; B
ΔrH°105.4 ± 2.0kcal/molTDEqSidorov, Nikulin, et al., 1987gas phase; Fluoride Affinity: 11.2 kcal/mol < AlF3; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + CrF2 = (Fluorine anion • CrF2)

By formula: F- + CrF2 = (F- • CrF2)

Quantity Value Units Method Reference Comment
ΔrH°86.3 ± 3.8kcal/molTDEqBoltalina, Borshchevskii, et al., 1991gas phase; Data at 0 K. See also Pramann and Rademann, 1999; value altered from reference due to conversion from electron convention to ion convention; B
ΔrH°157.7 ± 7.7kcal/molTherIgolkinagas phase; The derived values do not seem reasonable - JEB.; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + CrF3 = (Fluorine anion • CrF3)

By formula: F- + CrF3 = (F- • CrF3)

Quantity Value Units Method Reference Comment
ΔrH°92.5 ± 3.5kcal/molTDEqBoltalina, Borshchevskii, et al., 1991gas phase; Data at 0 K. See also Pramann and Rademann, 1999; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + CrF4 = (Fluorine anion • CrF4)

By formula: F- + CrF4 = (F- • CrF4)

Quantity Value Units Method Reference Comment
ΔrH°98.2 ± 9.6kcal/molTDEqBoltalina, Borshchevskii, et al., 1991gas phase; Data at 0 K. See also Pramann and Rademann, 1999; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + CuF2 = (Fluorine anion • CuF2)

By formula: F- + CuF2 = (F- • CuF2)

Quantity Value Units Method Reference Comment
ΔrH°83.8 ± 4.1kcal/molTDEqKuznetsov, Korobov, et al., 1986gas phase; Anchor:F-(FeF3) Chilingarov, Korobov, et al., 1984; value altered from reference due to conversion from electron convention to ion convention; B

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

By formula: F- + D2O = (F- • D2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°23.0 ± 2.0kcal/molIMRELarson and McMahon, 1988gas phase; Anchored to Arshadi, Yamdagni, et al., 1970: HOH..F- + DOD <=> DOD..F- + HOH, Keq=0.66; B
Quantity Value Units Method Reference Comment
ΔrG°17.8 ± 2.0kcal/molIMRELarson and McMahon, 1988gas phase; Anchored to Arshadi, Yamdagni, et al., 1970: HOH..F- + DOD <=> DOD..F- + HOH, Keq=0.66; B,M

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

By formula: F- + FK = (F- • FK)

Quantity Value Units Method Reference Comment
ΔrH°53.50 ± 0.80kcal/molTDAsNikitin, Sidorov, et al., 1981gas phase; value altered from reference due to conversion from electron convention to ion convention; B
ΔrH°47.9 ± 1.0kcal/molTDEqSidorov, Nikitin, et al., 1980gas phase; Fluoride Affinity:1100K, ΔHf(KF2-):298K; value altered from reference due to conversion from electron convention to ion convention; B
ΔrH°>52.6 ± 5.0kcal/molTDEqGusarov, Gorokhov, et al., 1979gas phase; value altered from reference due to conversion from electron convention to ion convention; B
ΔrH°46.4kcal/molMSNikitin, Skokan, et al., 1979gas phase; Knudsen cell; M

Fluorine anion + FOP = (Fluorine anion • FOP)

By formula: F- + FOP = (F- • FOP)

Quantity Value Units Method Reference Comment
ΔrH°56. ± 4.kcal/molICRLarson and McMahon, 1987gas phase; bracketing; M

Fluorine anion + FO2P = (Fluorine anion • FO2P)

By formula: F- + FO2P = (F- • FO2P)

Quantity Value Units Method Reference Comment
ΔrH°90. ± 15.kcal/molICRLarson and McMahon, 1987gas phase; bracketing; M

Fluorine anion + FPS = (Fluorine anion • FPS)

By formula: F- + FPS = (F- • FPS)

Quantity Value Units Method Reference Comment
ΔrH°62. ± 5.kcal/molICRLarson and McMahon, 1987gas phase; bracketing; M

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

Fluorine anion + F2Mn = (Fluorine anion • F2Mn)

By formula: F- + F2Mn = (F- • F2Mn)

Quantity Value Units Method Reference Comment
ΔrH°83.9 ± 3.8kcal/molTDAsBoltalina, Borshchevskii, et al., 1992gas phase; Critical review; value altered from reference due to conversion from electron convention to ion convention; B
ΔrH°93.4 ± 2.0kcal/molTDEqSidorov and Gubarevich, 1982gas phase; Fluoride Affinity: 23.2±0.8 kcal/mol < AlF3; value altered from reference due to conversion from electron convention to ion convention; B
ΔrH°102.70kcal/molTDEqSidorov, Sorokin, et al., 1981gas phase; value altered from reference due to conversion from electron convention to ion convention; B

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

By formula: F- + F2Ni = (F- • F2Ni)

Quantity Value Units Method Reference Comment
ΔrH°80.8 ± 3.6kcal/molTDEqNikitin, Igolkina, et al., 1986gas phase; Reanalyzed literature data, 35.9 kcal < AlF3; B

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

By formula: F- + F2OS = (F- • F2OS)

Quantity Value Units Method Reference Comment
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 + Difluorooxosilane = (Fluorine anion • Difluorooxosilane)

By formula: F- + F2OSi = (F- • F2OSi)

Quantity Value Units Method Reference Comment
ΔrH°123.40kcal/molTherDamrauer, Simon, et al., 1991gas phase; Between HCO2H, HCl; B
ΔrH°102. ± 17.kcal/molIMRBLarson and McMahon, 1987gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M

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

By formula: F- + F2O2S = (F- • F2O2S)

Quantity Value Units Method Reference Comment
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 + F2SSi = (Fluorine anion • F2SSi)

By formula: F- + F2SSi = (F- • F2SSi)

Quantity Value Units Method Reference Comment
ΔrH°>72.00kcal/molIMRBLarson and McMahon, 1987gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M

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

By formula: F- + F2S2 = (F- • F2S2)

Quantity Value Units Method Reference Comment
ΔrH°36.0 ± 3.0kcal/molIMRBLarson and McMahon, 1987gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M

Fluorine anion + F2Xe = F3Xe-

By formula: F- + F2Xe = F3Xe-

Quantity Value Units Method Reference Comment
ΔrH°138.43kcal/molN/AKrouse, Hao, et al., 2007gas phase; B

Fluorine anion + F2Zn = (Fluorine anion • F2Zn)

By formula: F- + F2Zn = (F- • F2Zn)

Quantity Value Units Method Reference Comment
ΔrH°80.5 ± 4.5kcal/molTDAsBoltalina, Borshchevskii, et al., 1992gas phase; Critical review; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + fluorine = F3-

By formula: F- + F2 = F3-

Quantity Value Units Method Reference Comment
ΔrH°23.3 ± 2.5kcal/molCIDTArtau, Nizzi, et al., 2000gas phase; B

Fluorine anion + F3Fe = (Fluorine anion • F3Fe)

By formula: F- + F3Fe = (F- • F3Fe)

Quantity Value Units Method Reference Comment
ΔrH°108.3 ± 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°104.9 ± 3.4kcal/molTDEqSorokin, Sidorov, et al., 1981gas phase; Fluoride Affinity: 14.9 kcal < AlF3; value altered from reference due to conversion from electron convention to ion convention; B
ΔrH°109.0 ± 3.3kcal/molTDEqChilingarov, Korobov, et al., 1984gas phase; Fluoride Affinity: 8.8 kcal < AlF3; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + F3Ga = (Fluorine anion • F3Ga)

By formula: F- + F3Ga = (F- • F3Ga)

Quantity Value Units Method Reference Comment
ΔrH°110.3 ± 4.1kcal/molTDAsZhuravleva, Nikitin, et al., 1985gas phase; Fluoride Affinity: 7.5 kcal < AlF3; value altered from reference due to conversion from electron convention to ion convention; B

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

By formula: F- + F3N = (F- • F3N)

Quantity Value Units Method Reference Comment
ΔrH°7.20 ± 0.30kcal/molTDAsHiraoka, Shimizu, et al., 1995gas phase; B

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

By formula: F- + F3OP = (F- • F3OP)

Quantity Value Units Method Reference Comment
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 + Thiophosphoryl fluoride = (Fluorine anion • Thiophosphoryl fluoride)

By formula: F- + F3PS = (F- • F3PS)

Quantity Value Units Method Reference Comment
ΔrH°48.0 ± 9.0kcal/molIMRBRhyne and Dillard, 1971gas phase; Fluoride Affinity: between SF4, SF5. Original value 32±10, now altered with new aff.; B

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

By formula: F- + F3P = (F- • F3P)

Quantity Value Units Method Reference Comment
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 + F3Rh = (Fluorine anion • F3Rh)

By formula: F- + F3Rh = (F- • F3Rh)

Quantity Value Units Method Reference Comment
ΔrH°95.8 ± 3.4kcal/molTDEqChilingarov, Korobov, et al., 1984gas phase; Fluoride Affinity: 5.3 kcal <MnF3; B

Fluorine anion + F3Sc = (Fluorine anion • F3Sc)

By formula: F- + F3Sc = (F- • F3Sc)

Quantity Value Units Method Reference Comment
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 + vanadium trifluoride = (Fluorine anion • vanadium trifluoride)

By formula: F- + F3V = (F- • F3V)

Quantity Value Units Method Reference Comment
ΔrH°102.5 ± 4.3kcal/molTDAsBoltalina, Borshchevskii, et al., 1992gas phase; Critical review; value altered from reference due to conversion from electron convention to ion convention; B
ΔrH°100.9 ± 6.7kcal/molTDEqSidorov, Boltalina, et al., 1989gas phase; Fluoride Affinity: 16.0±2.4 kcal/mol > CrF2; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + F3Y = (Fluorine anion • F3Y)

By formula: F- + F3Y = (F- • F3Y)

Quantity Value Units Method Reference Comment
ΔrH°114.0 ± 5.0kcal/molTDEqPyatenko, Gusarov, et al., 1981, 2gas phase; F-A at 0 K; ΔHf at 298 K. Equilibrium measured vs. AlF4-; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + tetrafluorogermane = (Fluorine anion • tetrafluorogermane)

By formula: F- + F4Ge = (F- • F4Ge)

Quantity Value Units Method Reference Comment
ΔrH°100.0 ± 7.0kcal/molTherMallouk, Rosenthal, et al., 1984gas phase; Fluoride affinities from this method appear to be consistently about 10 kcal/mol too bound; B
ΔrH°>96.70kcal/molIMRBHarland, Cradock, et al., 1972gas phase; B

Fluorine anion + HfF4 = (Fluorine anion • HfF4)

By formula: F- + HfF4 = (F- • HfF4)

Quantity Value Units Method Reference Comment
ΔrH°102.5 ± 4.0kcal/molTDEqNikitin, Igolkina, et al., 1986gas phase; Reanalyzed literature data, 14.1 kcal < AlF3; value altered from reference due to conversion from electron convention to ion convention; B
ΔrH°96.9 ± 2.1kcal/molTDEqNikitin, Sorokin, et al., 1980gas phase; Fluoride Affinity: 20.1 kcal < AlF3; B

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

By formula: F- + F4Mn = (F- • F4Mn)

Quantity Value Units Method Reference Comment
ΔrH°83. ± 20.kcal/molTDEqKorobov, Chilingarov, et al., 1984gas phase; Fluoride Affinity: 17.5 kcal < MnF3; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + F4MoO = (Fluorine anion • F4MoO)

By formula: F- + F4MoO = (F- • F4MoO)

Quantity Value Units Method Reference Comment
ΔrH°96.20kcal/molTDEqBorchevsky and Sidorov, 1985gas phase; Fluoride Affinity: MoOF3 < MoF5 by 4.0±2.0 kcal/mol; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + F4Mo = (Fluorine anion • F4Mo)

By formula: F- + F4Mo = (F- • F4Mo)

Quantity Value Units Method Reference Comment
ΔrH°91.5 ± 3.3kcal/molTDEqBorshchevskii, Boltalina, et al., 1988gas phase; value altered from reference due to conversion from electron convention to ion convention; B
ΔrH°91.8 ± 4.0kcal/molTDEqBorchevsky and Sidorov, 1985gas phase; Fluoride Affinity: MoF4 > UF4 by 7.1 kcal/mol; value altered from reference due to conversion from electron convention to ion convention; B

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

By formula: F- + F4OS = (F- • F4OS)

Quantity Value Units Method Reference Comment
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 + F4Os = (Fluorine anion • F4Os)

By formula: F- + F4Os = (F- • F4Os)

Quantity Value Units Method Reference Comment
ΔrH°87.0 ± 6.4kcal/molTDEqKuznetsov, Korobov, et al., 1989gas phase; Fluoride Affinity: 0.2±2.6 kcal/mol < VF4; B

Fluorine anion + F4Ru = (Fluorine anion • F4Ru)

By formula: F- + F4Ru = (F- • F4Ru)

Quantity Value Units Method Reference Comment
ΔrH°97.0 ± 4.2kcal/molTDEqKuznetsov, Korobov, et al., 1989gas phase; Fluoride Affinity: 11.0±2.6 kcal.mol < FeF3; B

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

By formula: F- + F4S = (F- • F4S)

Quantity Value Units Method Reference Comment
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 • 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., 2003gas 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 + 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 + F4Th = (Fluorine anion • F4Th)

By formula: F- + F4Th = (F- • F4Th)

Quantity Value Units Method Reference Comment
ΔrH°104.2 ± 3.5kcal/molTherSidirov, Zhuravlena, et al., 1983gas phase; Fluoride Affinity: 21.1 kcal < AlF3, 3.6 kcal < ZrF4; value altered from reference due to conversion from electron convention to ion convention; B

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

By formula: F- + F4Ti = (F- • F4Ti)

Quantity Value Units Method Reference Comment
ΔrH°86.3 ± 3.8kcal/molTDAsBoltalina, Borshchevskii, et al., 1992gas phase; Critical review; value altered from reference due to conversion from electron convention to ion convention; B
ΔrH°86.0 ± 5.3kcal/molTDEqBoltalina, Borshchevskii, et al., 1991, 2gas phase; Fluoride Affinity: 30.3 kcal/mol < AlF3 (Data at 0 K); value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + F4U = (Fluorine anion • F4U)

By formula: F- + F4U = (F- • F4U)

Quantity Value Units Method Reference Comment
ΔrH°101. ± 6.kcal/molAVGN/AAverage of 6 values; Individual data points

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

By formula: F- + F4Zr = (F- • F4Zr)

Quantity Value Units Method Reference Comment
ΔrH°99.3 ± 2.0kcal/molTDEqSkokan, Sorokin, et al., 1982gas phase; Fluoride Affinity: 22±1 kcal < AlF3; value altered from reference due to conversion from electron convention to ion convention; B
ΔrH°96.3 ± 1.0kcal/molTDEqSkokan, Nikitin, et al., 1981gas phase; Fluoride Affinity: 23.12 kcal < AlF3; value altered from reference due to conversion from electron convention to ion convention; B

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

By formula: F- + F5P = (F- • F5P)

Quantity Value Units Method Reference Comment
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 + antimony pentafluoride = (Fluorine anion • antimony pentafluoride)

By formula: F- + F5Sb = (F- • F5Sb)

Quantity Value Units Method Reference Comment
ΔrH°117.10kcal/molN/ACheck, Faust, et al., 2001gas phase; MnH2-(t); ; ΔS(EA)=5.4; B
Quantity Value Units Method Reference Comment
ΔrG°107.00kcal/molN/ACheck, Faust, et al., 2001gas phase; MnH2-(t); ; ΔS(EA)=5.4; B

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

By formula: F- + F6S- = (F- • F6S-)

Quantity Value Units Method Reference Comment
ΔrH°5.4kcal/molPHPMSHiraoka, Shimizu, et al., 1995gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°20.cal/mol*KPHPMSHiraoka, Shimizu, et al., 1995gas phase; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°4.0kcal/molPHPMSHiraoka, Shimizu, et al., 1995gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°18.cal/mol*KN/AHiraoka, Shimizu, et al., 1995gas phase; Entropy change calculated or estimated; M

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

By formula: F- + F6S = (F- • F6S)

Quantity Value Units Method Reference Comment
ΔrH°5.40 ± 0.30kcal/molTDAsHiraoka, Shimizu, et al., 1995gas phase; B
Quantity Value Units Method Reference Comment
ΔrG°-0.6 ± 3.0kcal/molTDAsHiraoka, Shimizu, et al., 1995gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°4.00 ± 0.30kcal/molTDAsHiraoka, Shimizu, et al., 1995gas phase; Entropy estimated. Gaff = +1.4 at 141 K; B
Quantity Value Units Method Reference Comment
ΔrG°-1.40 ± 0.30kcal/molTDAsHiraoka, Shimizu, et al., 1995gas phase; Entropy estimated. Gaff = +1.4 at 141 K; B

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

By formula: F- + F6U = (F- • F6U)

Quantity Value Units Method Reference Comment
ΔrH°56.6 ± 7.2kcal/molTherPyatenko, Guasarov, et al., 1984gas phase; Critical review; value altered from reference due to conversion from electron convention to ion convention; B
ΔrH°46. ± 10.kcal/molIMRBBeauchamp, 1976gas phase; B

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

By formula: F- + F6W = (F- • F6W)

Quantity Value Units Method Reference Comment
ΔrH°69.0 ± 5.0kcal/molTherGeorge and Beauchamp, 1979gas phase; Fluoride Affinity: SiF4 < WF6 < BF3; B

Fluorine anion + F9Mo2 = (Fluorine anion • F9Mo2)

By formula: F- + F9Mo2 = (F- • F9Mo2)

Quantity Value Units Method Reference Comment
ΔrH°96.1 ± 8.6kcal/molTDEqBorshchevskii, Boltalina, et al., 1988gas phase; value altered from reference due to conversion from electron convention to ion convention; B

Fluorine anion + F10U2 = (Fluorine anion • F10U2)

By formula: F- + F10U2 = (F- • F10U2)

Quantity Value Units Method Reference Comment
ΔrH°129. ± 12.kcal/molTherPyatenko and Gorokhov, 1984gas phase; value altered from reference due to conversion from electron convention to ion convention; B

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

By formula: F- + HCl = (F- • HCl)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°60. ± 2.kcal/molICRLarson and McMahon, 1985gas phase; bracketing; M

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

By formula: F- + HF = (F- • HF)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
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 + Nitrosyl hydride = (Fluorine anion • Nitrosyl hydride)

By formula: F- + HNO = (F- • HNO)

Quantity Value Units Method Reference Comment
ΔrH°33.0 ± 3.0kcal/molIMRBJanaway, Zhong, et al., 1997gas phase; Actual structure probably HF..NO-; B

Fluorine anion + Hydroxyl radical = HFO-

By formula: F- + HO = HFO-

Quantity Value Units Method Reference Comment
ΔrH°32.4 ± 2.3kcal/molLPESDeyerl and Continetti, 2005gas phase; affinity at 0 K; B

Fluorine anion + Water = (Fluorine anion • Water)

By formula: F- + H2O = (F- • H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°27.40 ± 0.50kcal/molTDAsWeis, Kemper, et al., 1999gas phase; B
ΔrH°23.30kcal/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°17.4cal/mol*KHPMSArshadi, Yamdagni, et al., 1970gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°21.90 ± 0.50kcal/molTDAsWeis, Kemper, et al., 1999gas phase; B
ΔrG°18.1 ± 2.0kcal/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B

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

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

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
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 • 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 • 3Water) + Water = (Fluorine anion • 4Water)

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

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°13.90 ± 0.40kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
ΔrH°13.5 ± 1.0kcal/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°26.6cal/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
ΔrS°26.9cal/mol*KHPMSArshadi, Yamdagni, et al., 1970gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°5.9 ± 1.3kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B
ΔrG°5.50kcal/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B
ΔrG°6.1 ± 2.0kcal/molTDAsKebarle, Arshadi, et al., 1968gas phase; B,M

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

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

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°12.30 ± 0.40kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
ΔrH°13.2 ± 1.0kcal/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°26.0cal/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
ΔrS°30.7cal/mol*KHPMSArshadi, Yamdagni, et al., 1970gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°4.5 ± 1.3kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B
ΔrG°7.10kcal/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B
ΔrG°4.6 ± 2.0kcal/molTDAsKebarle, Arshadi, et al., 1968gas phase; B,M

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

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

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°10.90 ± 0.30kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°24.8cal/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°3.5 ± 1.0kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B

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

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

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°10.40 ± 0.30kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°26.0cal/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°2.6 ± 1.0kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B

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

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

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°11.20 ± 0.40kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°31.2cal/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; 0.4; M
Quantity Value Units Method Reference Comment
ΔrG°1.8 ± 1.6kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B

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

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

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°11.10 ± 0.50kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°32.8cal/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°1.3 ± 2.1kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B

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

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

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°11.00kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; Entropy estimated; B,M
Quantity Value Units Method Reference Comment
ΔrS°33.cal/mol*KN/AHiraoka, Mizuse, et al., 1988gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrG°1.10kcal/molTDAsHiraoka, Mizuse, et al., 1988gas phase; Entropy estimated; B

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

By formula: F- + H2S = (F- • H2S)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
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 + Ammonia = (Fluorine anion • Ammonia)

By formula: F- + H3N = (F- • H3N)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°23.kcal/molFASpears and Ferguson, 1973gas phase; ΔrH>; M

Fluorine anion + H16B4U = (Fluorine anion • H16B4U)

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

Quantity Value Units Method Reference Comment
ΔrH°45.0 ± 8.1kcal/molIMRBBabcock, Herd, et al., 1984gas phase; Obs. F- transfer from SF6-, not from UF5-; B

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

By formula: F- + N2O = (F- • N2O)

Quantity Value Units Method Reference Comment
ΔrH°9.9 ± 0.3kcal/molPHPMSHiraoka, Aruga, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°23.9cal/mol*KPHPMSHiraoka, Aruga, et al., 1993gas phase; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°9.2 ± 0.3kcal/molPHPMSHiraoka, Aruga, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°22.7cal/mol*KPHPMSHiraoka, Aruga, et al., 1993gas phase; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°8.4 ± 0.3kcal/molPHPMSHiraoka, Aruga, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°23.6cal/mol*KPHPMSHiraoka, Aruga, et al., 1993gas phase; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°7.4 ± 0.3kcal/molPHPMSHiraoka, Aruga, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°24.4cal/mol*KPHPMSHiraoka, Aruga, et al., 1993gas phase; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°6.3 ± 0.3kcal/molPHPMSHiraoka, Aruga, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°25.5cal/mol*KPHPMSHiraoka, Aruga, et al., 1993gas phase; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°6.0 ± 0.3kcal/molPHPMSHiraoka, Aruga, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°25.8cal/mol*KPHPMSHiraoka, Aruga, et al., 1993gas phase; M

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

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

Quantity Value Units Method Reference Comment
ΔrH°3.3kcal/molPHPMSHiraoka, Aruga, et al., 1993gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°20.cal/mol*KN/AHiraoka, Aruga, et al., 1993gas phase; Entropy change calculated or estimated; M

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

By formula: F- + OS2 = (F- • OS2)

Quantity Value Units Method Reference Comment
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 + 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., 2003, 2gas 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 + sulphur trioxide = (Fluorine anion • sulphur trioxide)

By formula: F- + O3S = (F- • O3S)

Quantity Value Units Method Reference Comment
ΔrH°78. ± 10.kcal/molICRLarson and McMahon, 1985gas phase; bracketing; M

Fluorine anion + Xenon = (Fluorine anion • Xenon)

By formula: F- + Xe = (F- • Xe)

Quantity Value Units Method Reference Comment
ΔrH°6.30 ± 0.30kcal/molTDAsWada, Kikkawa, et al., 2007gas phase; B
ΔrH°6.50 ± 0.90kcal/molMoblDe Vreugd, Wijnaendts van Resandt, et al., 1979gas phase; B
ΔrH°6.5kcal/molSCATTERINGDe Vrengd, Wijnaendts van Resandt, et al., 1979gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°1.53 ± 0.30kcal/molTDAsWada, Kikkawa, et al., 2007gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°191.36kcal/molN/AKrouse, Lardin, et al., 2003gas phase; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°87.2 ± 5.8kcal/molTDEqKuznetsov, Korobov, et al., 1989gas phase; Fluoride Affinity: 14.2±3.9 kcal/mol < UF4; B
ΔrH°86.8 ± 6.5kcal/molTDEqSidorov, Boltalina, et al., 1989gas phase; value altered from reference due to conversion from electron convention to ion convention; B

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

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

Quantity Value Units Method Reference Comment
ΔrH°124. ± 12.kcal/molTherPyatenko and Gorokhov, 1984gas phase; value altered from reference due to conversion from electron convention to ion convention; B

References

Go To: Top, Ion clustering data, Notes

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

Williams and Wenthold, 2011
Williams, J.K.P.; Wenthold, P.G., Fluoride affinities of fluorinated alanes, Int. J. Mass Spectrom., 2011, 299, 1, 9-12, https://doi.org/10.1016/j.ijms.2010.09.003 . [all data]

Pervova, Korobov, et al., 1992
Pervova, Y.U.; Korobov, M.V.; Sidorov, L.N., Enthalpies of Bonds Rupture in AlClnF4-n(-) Anions, Russ. J. Phys. Chem., 1992, 66, 635. [all data]

Pyatenko, Gusarov, et al., 1981
Pyatenko, A.T.; Gusarov, A.V.; Gorokhov, L.N., Negative Ions in the Vapor Over Lanthanum Trifluoride, High Temp., 1981, 19, 241. [all data]

Nikitin, Skokan, et al., 1979
Nikitin, M.I.; Skokan, E.V.; Sorokin, I.D.; Sidorov, L.N., Sov. Phys. Dokl., 1979, 247, 594. [all data]

Wada, Kikkawa, et al., 2007
Wada, A.; Kikkawa, A.; Sugiyama, T.; Hiraoka, K., Thermochemical Stabilities of the Gas-phase Cluster Ions of Halide Ions with Rare Gas Atoms, Int. J. Mass Spectrom.., 2007, 267, 1-3, 284-287, https://doi.org/10.1016/j.ijms.2007.02.053 . [all data]

Larson and McMahon, 1987
Larson, J.W.; McMahon, T.B., Trends in Gas Phase Fluoride Ion Affinities of the Main Group Oxyfluorides and Fluoride Sulfides. Fluoride Adducts of FAsO, FPO, FPO2, F2SiO, F4SO, FBO, F2SiS, FPS, FAsS, F2S2, and S2O., Inorg. Chem., 1987, 26, 24, 4018, https://doi.org/10.1021/ic00271a011 . [all data]

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

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

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

Haartz and McDaniel, 1973
Haartz, J.C.; McDaniel, D.H., Fluoride ion affinity of some lewis acids, J. Am. Chem. Soc., 1973, 95, 8562. [all data]

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Notes

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