Fluorine anion


Gas phase thermochemistry data

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

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

Quantity Value Units Method Reference Comment
gas,1 bar145.58J/mol*KReviewChase, 1998Data last reviewed in June, 1982

Reaction thermochemistry data

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

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

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

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

Reactions 1 to 50

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

By formula: F- + BF3 = (F- • BF3)

Quantity Value Units Method Reference Comment
Δr340. ± 60.kJ/molAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Δr266. ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B

Fluorine anion + Hydrogen cation = hydrogen fluoride

By formula: F- + H+ = HF

Quantity Value Units Method Reference Comment
Δr1555. ± 5.kJ/molAVGN/AAverage of 6 out of 7 values; Individual data points
Quantity Value Units Method Reference Comment
Δr1530.0 ± 0.75kJ/molH-TSBlondel, Delsart, et al., 2001gas phase; Given: 3.4011895(25) eV, or 27432.446(19) cm-1, or 78.433266(577) kcal/mol; B
Δr1529.4kJ/molH-TSMartin and Hepburn, 2000gas phase; Given: 371.334±0.003 kcal/mol (corr to 298K with data from Wagman, Evans, et al., 1982).H(0K)=370.422±0.003; B
Δr1530.0 ± 0.75kJ/molH-TSBlondel, Cacciani, et al., 1989gas phase; Reported: 3.401190±0.000004 eV. acidity includes 0.9 kcal 0 to 298 K correction.; B
Δr1529. ± 8.4kJ/molIMREBierbaum, Schmidt, et al., 1981gas phase; B
Δr1503.7kJ/molN/ACheck, Faust, et al., 2001gas phase; FeCl3-; ; ΔS(EA)=5.0; B

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

By formula: F- + O2S = (F- • O2S)

Quantity Value Units Method Reference Comment
Δr225. ± 9.2kJ/molCIDTLobring, Check, et al., 2003gas phase; B
Δr222. ± 10.kJ/molCIDTSquires, 1992gas phase; B
Δr183.kJ/molICRLarson and McMahon, 1985gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr183. ± 8.4kJ/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
Δr250.kJ/molSAMSRobbiani and Franklin, 1979gas phase; Cl- + CO2ClF --> SO2F- + Cl2, ΔrH>; M
Quantity Value Units Method Reference Comment
Δr100.J/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr96.2J/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
Δr153.kJ/molICRLarson and McMahon, 1985gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr154. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M

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

By formula: F- + F2OS = (F- • F2OS)

Quantity Value Units Method Reference Comment
Δr150.kJ/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr156.kJ/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr156. ± 8.4kJ/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
Δr101.J/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
Δr126.kJ/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr126. ± 8.4kJ/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° (kJ/mol) T (K) Method Reference Comment
115.2988.ICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M

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

By formula: F- + F3P = (F- • F3P)

Quantity Value Units Method Reference Comment
Δr168.kJ/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr168. ± 8.4kJ/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
Δr209. ± 21.kJ/molIMRBSullivan and Beauchamp, 1978gas phase; Fluoride Affinity: < OPF3, > F, SF4, Me3SiF, HCN, SO2; B
Quantity Value Units Method Reference Comment
Δr100.J/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr107.J/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
Δr136.kJ/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr136. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M

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

By formula: F- + HF = (F- • HF)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr192. ± 6.7kJ/molCIDCWenthold and Squires, 1995gas phase; B
Δr162. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M
Δr>145. ± 19.kJ/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
Δr91.6J/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
Δr134. ± 8.4kJ/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° (kJ/mol) T (K) Method Reference Comment
134.289.ICRLarson and McMahon, 1983gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M

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

By formula: F- + AlF3 = (F- • AlF3)

Quantity Value Units Method Reference Comment
Δr510. ± 90.kJ/molAVGN/AAverage of 7 values; Individual data points

Fluorine anion + F4U = (Fluorine anion • F4U)

By formula: F- + F4U = (F- • F4U)

Quantity Value Units Method Reference Comment
Δr420. ± 20.kJ/molAVGN/AAverage of 6 values; Individual data points

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

By formula: F- + F5P = (F- • F5P)

Quantity Value Units Method Reference Comment
Δr329. ± 14.kJ/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
Δr360. ± 42.kJ/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
Δr423. ± 33.kJ/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
Δr310. ± 42.kJ/molIMRELarson and McMahon, 1985gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B

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

By formula: F- + CF2O = (F- • CF2O)

Quantity Value Units Method Reference Comment
Δr178.kJ/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr178.kJ/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
Δr120.J/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr121.J/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
Δr142.kJ/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr142.kJ/molICRLarson and McMahon, 1984gas phase; switching reaction(F-)PF3; M
Δr142.kJ/molICRLarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M

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

By formula: F- + F3OP = (F- • F3OP)

Quantity Value Units Method Reference Comment
Δr200. ± 8.4kJ/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
Δr201. ± 38.kJ/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
Δr110.J/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
Δr168. ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M

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

By formula: F- + F4S = (F- • F4S)

Quantity Value Units Method Reference Comment
Δr183.kJ/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr183.kJ/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
Δr100.J/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr107.J/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
Δr151.kJ/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr151.kJ/molICRLarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M

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

By formula: F- + F4Si = (F- • F4Si)

Quantity Value Units Method Reference Comment
Δr>121.8 ± 2.1kJ/molN/AKawamata, Neigishi, et al., 1996gas phase; B
Δr285. ± 21.kJ/molIMRBMurphy and Beauchamp, 1977gas phase; Fluoride Affinity: <BF3, >iPr2BF; B
Δr251. ± 17.kJ/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
Δr226. ± 17.kJ/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
Δr210.kJ/molICRLarson and McMahon, 1984gas phase; switching reaction(F-)H2O, DG+-8. kJ/mol; 70 ARS/YAM; M

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

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

Quantity Value Units Method Reference Comment
Δr230. ± 9.6kJ/molCIDTLobring, Check, et al., 2003, 2gas phase; B
Δr226. ± 27.kJ/molTherLeffert, Tang, et al., 1974gas phase; From SF6; B
Δr>169. ± 14.kJ/molIMRBBabcock and Streit, 1981gas phase; Fluoride Affinity: SF4 > SF5; B
Δr183. ± 8.4kJ/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
Δr151. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B

Fluorine anion + C3F6O = (Fluorine anion • C3F6O)

By formula: F- + C3F6O = (F- • C3F6O)

Quantity Value Units Method Reference Comment
Δr197. ± 8.4kJ/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
Δr120.J/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
Δr162. ± 8.4kJ/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
Δr162.kJ/molICRLarson and McMahon, 1984gas phase; switching reaction(F-)CF3COF; M

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

By formula: F- + C3H9B = (F- • C3H9B)

Quantity Value Units Method Reference Comment
Δr244.8kJ/molIMRBMurphy and Beauchamp, 1977, 2gas phase; MeSiF3>Me3B>SF4; B
Δr197. ± 8.4kJ/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
Δr100.J/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
Δr166. ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M

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

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

Quantity Value Units Method Reference Comment
Δr259.4kJ/molIMRBMurphy and Beauchamp, 1977, 2gas phase; iPr3B>Et3B>MeSiF3; B
Δr213. ± 8.4kJ/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
Δr100.J/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
Δr182. ± 8.4kJ/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
Δr160. ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M
Δr<230. ± 42.kJ/molIMRBMurphy and Beauchamp, 1977gas phase; B
Quantity Value Units Method Reference Comment
Δr92.J/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
Δr132. ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M

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

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

Quantity Value Units Method Reference Comment
Δr151. ± 8.4kJ/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
Δr114.J/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
Δr118.kJ/molICRLarson and McMahon, 1984gas phase; switching reaction(F-)SO2F2; M
Δr117. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M

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

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

Quantity Value Units Method Reference Comment
Δr257. ± 21.kJ/molIMRBMurphy and Beauchamp, 1977gas phase; B
Δr211. ± 8.4kJ/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
Δr100.J/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
Δr180. ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M

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

By formula: F- + F2O2S = (F- • F2O2S)

Quantity Value Units Method Reference Comment
Δr150. ± 8.4kJ/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
Δr126. ± 25.kJ/molTherGalembeck, Faigle, et al., 1978gas phase; B
Quantity Value Units Method Reference Comment
Δr115.J/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
Δr115. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M

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

By formula: F- + H2S = (F- • H2S)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr145. ± 8.4kJ/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
Δr78.7J/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
Δr121. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M

Fluorine anion + trifluoroarsine = (Fluorine anion • trifluoroarsine)

By formula: F- + AsF3 = (F- • AsF3)

Quantity Value Units Method Reference Comment
Δr202. ± 8.4kJ/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
Δr100.J/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
Δr172. ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M

Fluorine anion + C2F4O = (Fluorine anion • C2F4O)

By formula: F- + C2F4O = (F- • C2F4O)

Quantity Value Units Method Reference Comment
Δr191. ± 8.4kJ/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
Δr120.J/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
Δr156. ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M

Fluorine anion + C2F2O2 = (Fluorine anion • C2F2O2)

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

Quantity Value Units Method Reference Comment
Δr191. ± 8.4kJ/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
Δr120.J/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
Δr155. ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M

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

By formula: F- + C3F6O = (F- • C3F6O)

Quantity Value Units Method Reference Comment
Δr208. ± 8.4kJ/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
Δr110.J/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
Δr174. ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M

Fluorine anion + C3F5N = (Fluorine anion • C3F5N)

By formula: F- + C3F5N = (F- • C3F5N)

Quantity Value Units Method Reference Comment
Δr126. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; B,M
Δr127.kJ/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
Δr100.J/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr95.4J/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
Δr97.5 ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; B,M
Δr96.7kJ/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M

Fluorine anion + Phenol = (Fluorine anion • Phenol)

By formula: F- + C6H6O = (F- • C6H6O)

Quantity Value Units Method Reference Comment
Δr173. ± 8.4kJ/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
Δr110.J/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
Δr140. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M

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

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

Quantity Value Units Method Reference Comment
Δr146. ± 8.4kJ/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
Δr110.J/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
Δr113. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M

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

By formula: F- + CH2O2 = (F- • CH2O2)

Quantity Value Units Method Reference Comment
Δr190. ± 8.4kJ/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
Δr101.J/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
Δr159. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M

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

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

Quantity Value Units Method Reference Comment
Δr185. ± 8.4kJ/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
Δr107.J/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
Δr153. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M

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

By formula: F- + CHN = (F- • CHN)

Quantity Value Units Method Reference Comment
Δr165. ± 8.4kJ/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
Δr92.9J/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
Δr138. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M

Fluorine anion + Methanethiol = (Fluorine anion • Methanethiol)

By formula: F- + CH4S = (F- • CH4S)

Quantity Value Units Method Reference Comment
Δr143. ± 8.4kJ/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
Δr97.1J/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
Δr114. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M

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

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

Quantity Value Units Method Reference Comment
Δr164. ± 8.4kJ/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
Δr112.J/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
Δr130. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M

Fluorine anion + F3Sc = (Fluorine anion • F3Sc)

By formula: F- + F3Sc = (F- • F3Sc)

Quantity Value Units Method Reference Comment
Δr474. ± 15.kJ/molTDAsBoltalina, Borshchevskii, et al., 1992gas phase; Critical review; value altered from reference due to conversion from electron convention to ion convention; B
Δr470. ± 10.kJ/molTDEqNikitin, Igolkina, et al., 1986gas phase; Reanalyzed literature data, 4.3 kcal < AlF3; B
Δr487.4 ± 9.6kJ/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
Δr495. ± 10.kJ/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
Δr469.kJ/molMSPyatenko, Gusarov, et al., 1981gas phase; Knudsen cell; M

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

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

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr80.3 ± 2.1kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; Stated electron affinity is the Vertical Detachment Energy; B,M
Δr69.5 ± 4.2kJ/molTDAsPayzant, Yamdagni, et al., 1971gas phase; B
Δr69.5 ± 4.2kJ/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B,M
Quantity Value Units Method Reference Comment
Δr92.9J/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Δr78.2J/mol*KHPMSArshadi, Yamdagni, et al., 1970gas phase; M
Quantity Value Units Method Reference Comment
Δr52.3 ± 6.7kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; Stated electron affinity is the Vertical Detachment Energy; B
Δr46.0 ± 5.9kJ/molTDAsPayzant, Yamdagni, et al., 1971gas phase; B
Δr46.02kJ/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B

Fluorine anion + C4H10BF = (Fluorine anion • C4H10BF)

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

Quantity Value Units Method Reference Comment
Δr267.8kJ/molIMRBMurphy and Beauchamp, 1977, 2gas phase; Fluoride Affinity: iPr3B > Et2BF > Et3B; B
Δr243. ± 21.kJ/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
Δr215. ± 21.kJ/molIMRELarson and McMahon, 1985gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B

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

By formula: F- + CO2 = (F- • CO2)

Quantity Value Units Method Reference Comment
Δr134.2kJ/molN/AArnold, Bradforth, et al., 1995gas phase; B
Δr135. ± 8.4kJ/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B,M
Δr133. ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; B,M
Δr138. ± 13.kJ/molIMREMcMahon and Northcott, 1978gas phase; B
Quantity Value Units Method Reference Comment
Δr112.J/mol*KPHPMSHiraoka, Mizuse, et al., 1987gas phase; M
Δr100.J/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
Δr102. ± 8.4kJ/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B
Δr103. ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; B,M
Δr48.5kJ/molFASpears and Ferguson, 1973gas phase; DG>; M

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

By formula: F- + F4OS = (F- • F4OS)

Quantity Value Units Method Reference Comment
Δr243. ± 13.kJ/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
Δr280. ± 42.kJ/molIMRBArnold, Miller, et al., 2002gas phase; B
Quantity Value Units Method Reference Comment
Δr220. ± 8.4kJ/molIMRELarson and McMahon, 1987gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B

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

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

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr64.0 ± 1.7kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Δr57.3 ± 4.2kJ/molTDAsPayzant, Yamdagni, et al., 1971gas phase; B
Δr57.3 ± 4.2kJ/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B,M
Quantity Value Units Method Reference Comment
Δr95.8J/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Δr85.4J/mol*KHPMSArshadi, Yamdagni, et al., 1970gas phase; M
Quantity Value Units Method Reference Comment
Δr35. ± 5.4kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B
Δr32. ± 5.9kJ/molTDAsPayzant, Yamdagni, et al., 1971gas phase; B
Δr31.8kJ/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B

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

By formula: F- + AsFS- = (F- • AsFS-)

Quantity Value Units Method Reference Comment
Δr234. ± 25.kJ/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
Δr199. ± 25.kJ/molIMRBLarson and McMahon, 1987gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B

Fluorine anion + AsFO = (Fluorine anion • AsFO)

By formula: F- + AsFO = (F- • AsFO)

Quantity Value Units Method Reference Comment
Δr226. ± 29.kJ/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
Δr201. ± 29.kJ/molIMRBLarson and McMahon, 1987gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B

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

By formula: F- + OS2 = (F- • OS2)

Quantity Value Units Method Reference Comment
Δr184. ± 13.kJ/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
Δr155. ± 13.kJ/molIMRBLarson and McMahon, 1987gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B

Fluorine anion + C4H4F6O = (Fluorine anion • C4H4F6O)

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

Quantity Value Units Method Reference Comment
Δr192. ± 8.4kJ/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
Δr159. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B

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

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

Quantity Value Units Method Reference Comment
Δr236. ± 8.4kJ/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
Δr200. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B

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

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

Quantity Value Units Method Reference Comment
Δr176. ± 17.kJ/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
Δr142. ± 13.kJ/molIMRBLarson and McMahon, 1985gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B

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

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

Quantity Value Units Method Reference Comment
Δr184. ± 13.kJ/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
Δr153. ± 8.4kJ/molIMRBLarson and McMahon, 1985gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B

Fluorine anion + fluorodimethoxyborane = (Fluorine anion • fluorodimethoxyborane)

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

Quantity Value Units Method Reference Comment
Δr218. ± 21.kJ/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
Δr190. ± 21.kJ/molIMRELarson and McMahon, 1985gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B

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

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

Quantity Value Units Method Reference Comment
Δr197. ± 8.4kJ/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
Δr163. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B

Fluorine anion + FPS = F2PS-

By formula: F- + FPS = F2PS-

Quantity Value Units Method Reference Comment
Δr259. ± 21.kJ/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
Δr234. ± 17.kJ/molIMRBLarson and McMahon, 1987gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B

Gas phase ion energetics data

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

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

Data compiled by: John E. Bartmess

Protonation reactions

Fluorine anion + Hydrogen cation = hydrogen fluoride

By formula: F- + H+ = HF

Quantity Value Units Method Reference Comment
Δr1555. ± 5.kJ/molAVGN/AAverage of 6 out of 7 values; Individual data points
Quantity Value Units Method Reference Comment
Δr1530.0 ± 0.75kJ/molH-TSBlondel, Delsart, et al., 2001gas phase; Given: 3.4011895(25) eV, or 27432.446(19) cm-1, or 78.433266(577) kcal/mol
Δr1529.4kJ/molH-TSMartin and Hepburn, 2000gas phase; Given: 371.334±0.003 kcal/mol (corr to 298K with data from Wagman, Evans, et al., 1982).H(0K)=370.422±0.003
Δr1530.0 ± 0.75kJ/molH-TSBlondel, Cacciani, et al., 1989gas phase; Reported: 3.401190±0.000004 eV. acidity includes 0.9 kcal 0 to 298 K correction.
Δr1529. ± 8.4kJ/molIMREBierbaum, Schmidt, et al., 1981gas phase
Δr1503.7kJ/molN/ACheck, Faust, et al., 2001gas phase; FeCl3-; ; ΔS(EA)=5.0

Ion clustering data

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

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

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

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

Clustering reactions

Fluorine anion = H2AlF2-

By formula: F- = H2AlF2-

Quantity Value Units Method Reference Comment
Δr408. ± 17.kJ/molCIDTWilliams and Wenthold, 2011gas phase; B

Fluorine anion = H3AlF-

By formula: F- = H3AlF-

Quantity Value Units Method Reference Comment
Δr390. ± 210.kJ/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
Δr491. ± 12.kJ/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
Δr499. ± 12.kJ/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
Δr506. ± 13.kJ/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
Δr510. ± 90.kJ/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
Δr230.kJ/molMSPyatenko, Gusarov, et al., 1981gas phase; Knudsen cell; M
Δr204.kJ/molMSNikitin, Skokan, et al., 1979gas phase; Knudsen cell; M

Fluorine anion + Argon = ArF-

By formula: F- + Ar = ArF-

Quantity Value Units Method Reference Comment
Δr8.37kJ/molTDAsWada, Kikkawa, et al., 2007gas phase; Entropy estimated; B
Quantity Value Units Method Reference Comment
Δr-16.6kJ/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
Δr226. ± 29.kJ/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
Δr201. ± 29.kJ/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
Δr234. ± 25.kJ/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
Δr199. ± 25.kJ/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
Δr202. ± 8.4kJ/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
Δr100.J/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
Δr172. ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M

Fluorine anion + pentafluoroarsorane = (Fluorine anion • pentafluoroarsorane)

By formula: F- + AsF5 = (F- • AsF5)

Quantity Value Units Method Reference Comment
Δr>360. ± 42.kJ/molN/AHaartz and McDaniel, 1973gas phase; Greater than BCl3; B
Quantity Value Units Method Reference Comment
Δr>310. ± 42.kJ/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
Δr426. ± 25.kJ/molTDEqChilingarov, Korobov, et al., 1986gas phase; Fluoride Affinity: 1.2±5.0 kcal/mol > MnF3; value altered from reference due to conversion from electron convention to ion convention; B

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

By formula: F- + BCl3 = (F- • BCl3)

Quantity Value Units Method Reference Comment
Δr>360. ± 42.kJ/molIMRBHaartz and McDaniel, 1973gas phase; Greater than PF5 ( Larson and McMahon, 1985); B
Δr>169.5kJ/molTherStockdale, Nelson, et al., 1972gas phase; Fluoride Affinity: > SF5; new value of latter from Grimsrud, Chowdhury, et al., 1985; B
Quantity Value Units Method Reference Comment
Δr>310. ± 42.kJ/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
Δr200. ± 10.kJ/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
Δr340. ± 60.kJ/molAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Δr266. ± 8.4kJ/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
Δr407. ± 9.6kJ/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
Δr464.4 ± 8.4kJ/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
Δr178.kJ/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr178.kJ/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
Δr120.J/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr121.J/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
Δr142.kJ/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr142.kJ/molICRLarson and McMahon, 1984gas phase; switching reaction(F-)PF3; M
Δr142.kJ/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
Δr27.kJ/molPHPMSHiraoka, Nasu, et al., 1995gas phase; M
Quantity Value Units Method Reference Comment
Δr92.J/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
Δr25.kJ/molPHPMSHiraoka, Nasu, et al., 1995gas phase; M
Quantity Value Units Method Reference Comment
Δr92.J/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
Δr17.kJ/molPHPMSHiraoka, Nasu, et al., 1995gas phase; M
Quantity Value Units Method Reference Comment
Δr71.J/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
Δr16.kJ/molPHPMSHiraoka, Nasu, et al., 1995gas phase; M
Quantity Value Units Method Reference Comment
Δr79.J/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
Δr10.kJ/molPHPMSHiraoka, Nasu, et al., 1995gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr79.J/mol*KN/AHiraoka, Nasu, et al., 1995gas phase; Entropy change calculated or estimated; M

Fluorine anion + CHFO = (Fluorine anion • CHFO)

By formula: F- + CHFO = (F- • CHFO)

Quantity Value Units Method Reference Comment
Δr>75.73kJ/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
Δr113. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; B,M
Quantity Value Units Method Reference Comment
Δr105.J/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
Δr82.0 ± 8.4kJ/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
Δr165. ± 8.4kJ/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
Δr92.9J/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
Δr138. ± 8.4kJ/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
Δr190. ± 8.kJ/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
Δr190. ± 8.4kJ/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
Δr101.J/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
Δr159. ± 8.4kJ/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
Δr260.kJ/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
Δr257. ± 21.kJ/molIMRBMurphy and Beauchamp, 1977gas phase; B
Δr211. ± 8.4kJ/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
Δr100.J/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
Δr180. ± 8.4kJ/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
Δr125. ± 8.4kJ/molTDEqWilkinson, Szulejko, et al., 1992gas phase; Reported relative to ROH..F-, 0.5 kcal/mol weaker.; B
Quantity Value Units Method Reference Comment
Δr93.7 ± 8.4kJ/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
Δr124. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; B,M
Δr123. ± 9.2kJ/molCIDTDeTuri and Ervin, 1999gas phase; B
Δr97.5 ± 8.4kJ/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr105.J/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Δr94.6J/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
Δr95.4 ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; B,M
Δr66.1 ± 8.4kJ/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
Δr84.9 ± 1.3kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr80.8 ± 4.2kJ/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr97.1J/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr54.27kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr51.9 ± 8.4kJ/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
Δr63.2 ± 2.5kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr60.7 ± 4.2kJ/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr88.7J/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr33.7kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr34. ± 8.4kJ/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
Δr52.3 ± 4.2kJ/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr98.3J/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr23. ± 8.4kJ/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
Δr49.8 ± 4.2kJ/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr114.J/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr16. ± 8.4kJ/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
Δr48.1 ± 4.2kJ/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr125.J/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr11. ± 8.4kJ/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
Δr41. ± 4.2kJ/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr107.J/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr9.2 ± 8.4kJ/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
Δr41. ± 4.2kJ/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr112.J/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr7.1 ± 8.4kJ/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
Δr38. ± 4.2kJ/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr108.J/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr6.3 ± 8.4kJ/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
Δr37. ± 4.2kJ/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr105.J/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr5.4 ± 8.4kJ/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
Δr36. ± 4.2kJ/molTDAsHiraoka and Yamabe, 1991gas phase; B,M
Quantity Value Units Method Reference Comment
Δr107.J/mol*KPHPMSHiraoka and Yamabe, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr4.2 ± 8.4kJ/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
Δr36. ± 4.2kJ/molTDAsHiraoka and Yamabe, 1991gas phase; Entropy estimated.; B,M
Quantity Value Units Method Reference Comment
Δr100.J/mol*KN/AHiraoka and Yamabe, 1991gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr4.6 ± 8.4kJ/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
Δr143. ± 8.4kJ/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
Δr97.1J/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
Δr114. ± 8.4kJ/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
Δr28.0kJ/molN/AHiraoka, Mizuno, et al., 2001gas phase; B
Quantity Value Units Method Reference Comment
Δr6.82kJ/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
Δr133. ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; B,M
Quantity Value Units Method Reference Comment
Δr100.J/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
Δr103. ± 8.4kJ/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
Δr134.2kJ/molN/AArnold, Bradforth, et al., 1995gas phase; B
Δr135. ± 8.4kJ/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B,M
Δr133. ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; B,M
Δr138. ± 13.kJ/molIMREMcMahon and Northcott, 1978gas phase; B
Quantity Value Units Method Reference Comment
Δr112.J/mol*KPHPMSHiraoka, Mizuse, et al., 1987gas phase; M
Δr100.J/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
Δr102. ± 8.4kJ/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B
Δr103. ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; B,M
Δr48.5kJ/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
Δr31. ± 4.2kJ/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Δr76.1J/mol*KPHPMSHiraoka, Mizuse, et al., 1987gas phase; M
Quantity Value Units Method Reference Comment
Δr7.9 ± 8.4kJ/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
Δr30. ± 4.2kJ/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Δr94.6J/mol*KPHPMSHiraoka, Mizuse, et al., 1987gas phase; M
Quantity Value Units Method Reference Comment
Δr2. ± 8.4kJ/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
Δr24. ± 4.2kJ/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Δr84.9J/mol*KPHPMSHiraoka, Mizuse, et al., 1987gas phase; M
Quantity Value Units Method Reference Comment
Δr-0.8 ± 8.4kJ/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
Δr23. ± 4.2kJ/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Δr93.3J/mol*KPHPMSHiraoka, Mizuse, et al., 1987gas phase; M
Quantity Value Units Method Reference Comment
Δr-4.2 ± 8.4kJ/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
Δr22. ± 4.2kJ/molTDAsHiraoka, Mizuse, et al., 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Δr94.1J/mol*KPHPMSHiraoka, Mizuse, et al., 1987gas phase; M
Quantity Value Units Method Reference Comment
Δr-5.9 ± 8.4kJ/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
Δr16.kJ/molPHPMSHiraoka, Mizuse, et al., 1987gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr75.J/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
Δr146. ± 6.3kJ/molTDAsHiraoka, Fujimaki, et al., 1993gas phase; B,M
Δr131. ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; B
Quantity Value Units Method Reference Comment
Δr118.J/mol*KPHPMSHiraoka, Fujimaki, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Δr111. ± 6.3kJ/molTDAsHiraoka, Fujimaki, et al., 1993gas phase; B
Δr101. ± 8.4kJ/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
Δr28.0 ± 0.84kJ/molTDAsHiraoka, Fujimaki, et al., 1993gas phase; B,M
Quantity Value Units Method Reference Comment
Δr64.0J/mol*KPHPMSHiraoka, Fujimaki, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Δr8.8 ± 4.2kJ/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
Δr23. ± 4.2kJ/molTDAsHiraoka, Fujimaki, et al., 1993gas phase; Estimated entropy; single temperature measurement; B,M
Quantity Value Units Method Reference Comment
Δr71.J/mol*KN/AHiraoka, Fujimaki, et al., 1993gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr1. ± 4.2kJ/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
Δr191. ± 8.4kJ/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
Δr120.J/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
Δr155. ± 8.4kJ/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
Δr122. ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; B,M
Quantity Value Units Method Reference Comment
Δr100.J/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
Δr91.6 ± 8.4kJ/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
Δr191. ± 8.4kJ/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
Δr120.J/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
Δr156. ± 8.4kJ/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
Δr110. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; B,M
Δr102. ± 25.kJ/molIMRBSullivan and Beauchamp, 1976gas phase; B
Quantity Value Units Method Reference Comment
Δr107.J/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
Δr78.2 ± 8.4kJ/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
Δr113. ± 8.4kJ/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
Δr127. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; B,M
Quantity Value Units Method Reference Comment
Δr111.J/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
Δr94.1 ± 8.4kJ/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
Δr112. ± 21.kJ/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
Δr151. ± 8.4kJ/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
Δr114.J/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
Δr118.kJ/molICRLarson and McMahon, 1984gas phase; switching reaction(F-)SO2F2; M
Δr117. ± 8.4kJ/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
Δr148.kJ/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
Δr111.J/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
Δr115.kJ/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
Δr65. ± 17.kJ/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
Δr128. ± 8.4kJ/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
Δr164. ± 8.4kJ/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
Δr112.J/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
Δr130. ± 8.4kJ/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
Δr111.kJ/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
Δr108.J/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
Δr78.7kJ/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
Δr103. ± 8.4kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; Discrepancy with Yamdagni and Kebarle, 1972 "not resolved; B,M
Δr66.9 ± 8.4kJ/molTDAsYamdagni and Kebarle, 1972gas phase; B,M
Quantity Value Units Method Reference Comment
Δr95.8J/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Δr56.1J/mol*KPHPMSYamdagni and Kebarle, 1972gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr74. ± 14.kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; Discrepancy with Yamdagni and Kebarle, 1972 "not resolved; B
Δr50.2 ± 8.4kJ/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
Δr74.1 ± 6.3kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Δr53.97kJ/molTDAsYamdagni and Kebarle, 1972gas phase; B,M
Quantity Value Units Method Reference Comment
Δr95.8J/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Δr61.9J/mol*KPHPMSYamdagni and Kebarle, 1972gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr45. ± 14.kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B
Δr35.6kJ/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
Δr63.2 ± 4.2kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Δr48.95kJ/molTDAsYamdagni and Kebarle, 1972gas phase; B,M
Quantity Value Units Method Reference Comment
Δr93.7J/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Δr74.9J/mol*KPHPMSYamdagni and Kebarle, 1972gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr35. ± 10.kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B
Δr26.8kJ/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
Δr53.6 ± 2.1kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Δr43.51kJ/molTDAsYamdagni and Kebarle, 1972gas phase; B,M
Quantity Value Units Method Reference Comment
Δr110.J/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Δr82.0J/mol*KPHPMSYamdagni and Kebarle, 1972gas phase; M
Quantity Value Units Method Reference Comment
Δr21. ± 7.9kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B
Δr18.8kJ/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
Δr48.12 ± 0.84kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Δr22.2kJ/molTDAsYamdagni and Kebarle, 1972gas phase; B,M
Quantity Value Units Method Reference Comment
Δr124.J/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Δr31.J/mol*KPHPMSYamdagni and Kebarle, 1972gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr10.9 ± 3.3kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B
Δr13.0kJ/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
Δr40.6 ± 0.84kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Δr116.J/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Quantity Value Units Method Reference Comment
Δr5.9 ± 3.8kJ/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
Δr35.6kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; Entropy estimated; B,M
Quantity Value Units Method Reference Comment
Δr120.J/mol*KN/AHiraoka, Mizuse, et al., 1988gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr0.42kJ/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
Δr118. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; B,M
Quantity Value Units Method Reference Comment
Δr109.J/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
Δr84.9 ± 8.4kJ/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
Δr185. ± 8.4kJ/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
Δr107.J/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
Δr153. ± 8.4kJ/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
Δr25. ± 13.kJ/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
Δr111. ± 8.4kJ/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
Δr146. ± 8.4kJ/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
Δr110.J/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
Δr113. ± 8.4kJ/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
Δr170. ± 8.kJ/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
Δr218. ± 21.kJ/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
Δr190. ± 21.kJ/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
Δr258.6kJ/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
Δr232. ± 21.kJ/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
Δr99.2 ± 8.4kJ/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
Δr135.6 ± 2.9kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr132. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; B,M
Δr136. ± 9.2kJ/molCIDTDeTuri and Ervin, 1999gas phase; B
Quantity Value Units Method Reference Comment
Δr104.J/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
Δr103.5kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr101. ± 8.4kJ/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
Δr126. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; B,M
Δr127.kJ/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
Δr100.J/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr95.4J/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
Δr97.5 ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; B,M
Δr96.7kJ/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
Δr197. ± 8.4kJ/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
Δr120.J/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
Δr162. ± 8.4kJ/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
Δr162.kJ/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
Δr208. ± 8.4kJ/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
Δr110.J/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
Δr174. ± 8.4kJ/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
Δr197. ± 8.4kJ/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
Δr163. ± 8.4kJ/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
Δr107. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; B,M
Quantity Value Units Method Reference Comment
Δr99.2J/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
Δr77.0 ± 8.4kJ/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
Δr158.kJ/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
Δr111.J/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
Δr125.kJ/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
Δr102. ± 8.4kJ/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
Δr140.2 ± 2.9kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr135. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; B,M
Δr139. ± 9.2kJ/molCIDTDeTuri and Ervin, 1999gas phase; B
Quantity Value Units Method Reference Comment
Δr107.J/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
Δr107.5kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr103. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; B,M

Fluorine anion + 2Isopropyl Alcohol = C6H16FO2-

By formula: F- + 2C3H8O = C6H16FO2-

Quantity Value Units Method Reference Comment
Δr87.03 ± 0.84kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Quantity Value Units Method Reference Comment
Δr55.48kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B

Fluorine anion + 3Isopropyl Alcohol = C9H24FO3-

By formula: F- + 3C3H8O = C9H24FO3-

Quantity Value Units Method Reference Comment
Δr73.64 ± 0.84kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Quantity Value Units Method Reference Comment
Δr35.0kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B

Fluorine anion + 1-Propanol = C3H7D8FO-

By formula: F- + C3H8O = C3H7D8FO-

Quantity Value Units Method Reference Comment
Δr102. ± 8.4kJ/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
Δr135. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; B,M
Quantity Value Units Method Reference Comment
Δr106.J/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
Δr103. ± 8.4kJ/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
Δr150. ± 8.kJ/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
Δr176. ± 17.kJ/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
Δr142. ± 13.kJ/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
Δr244.8kJ/molIMRBMurphy and Beauchamp, 1977, 2gas phase; MeSiF3>Me3B>SF4; B
Δr197. ± 8.4kJ/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
Δr100.J/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
Δr166. ± 8.4kJ/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
Δr160. ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M
Δr<230. ± 42.kJ/molIMRBMurphy and Beauchamp, 1977gas phase; B
Quantity Value Units Method Reference Comment
Δr92.J/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
Δr132. ± 8.4kJ/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
Δr129. ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; B,M
Quantity Value Units Method Reference Comment
Δr100.J/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
Δr98.7 ± 8.4kJ/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
Δr236. ± 8.4kJ/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
Δr200. ± 8.4kJ/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
Δr192. ± 8.4kJ/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
Δr159. ± 8.4kJ/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
Δr143. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; B,M
Quantity Value Units Method Reference Comment
Δr107.J/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
Δr111. ± 8.4kJ/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
Δr93.3 ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; B
Quantity Value Units Method Reference Comment
Δr64.0 ± 8.4kJ/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
Δr93.3kJ/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
Δr98.7J/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
Δr64.0kJ/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
Δr267.8kJ/molIMRBMurphy and Beauchamp, 1977, 2gas phase; Fluoride Affinity: iPr3B > Et2BF > Et3B; B
Δr243. ± 21.kJ/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
Δr215. ± 21.kJ/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
Δr101. ± 8.4kJ/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
Δr135. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; B,M
Quantity Value Units Method Reference Comment
Δr108.J/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
Δr103. ± 8.4kJ/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
Δr105. ± 8.4kJ/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
Δr139.7 ± 2.9kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr139. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; B,M
Δr137. ± 9.2kJ/molCIDTDeTuri and Ervin, 1999gas phase; B
Quantity Value Units Method Reference Comment
Δr109.J/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
Δr108.8kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Δr107. ± 8.4kJ/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
Δr92.0 ± 1.7kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Quantity Value Units Method Reference Comment
Δr56.86kJ/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
Δr76.6 ± 4.2kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
Quantity Value Units Method Reference Comment
Δr32.7kJ/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
Δr125. ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; B,M
Quantity Value Units Method Reference Comment
Δr88.J/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
Δr98.7 ± 8.4kJ/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
Δr143. ± 8.4kJ/molTDEqDillow and Kebarle, 1988gas phase; B
Quantity Value Units Method Reference Comment
Δr108. ± 8.4kJ/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
Δr192. ± 19.kJ/molIMRELarson and McMahon, 1984gas phase; B,M

Fluorine anion + Cyclopentene, octafluoro- = C5F9-

By formula: F- + C5F8 = C5F9-

Quantity Value Units Method Reference Comment
Δr>125.5kJ/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
Δr171. ± 8.4kJ/molIMRELane, Sallans, et al., 1985gas phase; B
Quantity Value Units Method Reference Comment
Δr144. ± 8.4kJ/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
Δr103. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; B,M
Quantity Value Units Method Reference Comment
Δr110.J/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
Δr70.3 ± 8.4kJ/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
Δr158. ± 9.2kJ/molIMRESullivan, DePuy, et al., 1981gas phase; B
Quantity Value Units Method Reference Comment
Δr130. ± 9.2kJ/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
Δr172. ± 8.4kJ/molIMREDillow and Kebarle, 1988gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B,M
Quantity Value Units Method Reference Comment
Δr82.0J/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
Δr137. ± 8.4kJ/molIMREDillow and Kebarle, 1988gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
137.423.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
Δr115. ± 4.2kJ/molTDAsHiraoka, Mizuse, et al., 1987, 2gas phase; B,M
Quantity Value Units Method Reference Comment
Δr99.2J/mol*KPHPMSHiraoka, Mizuse, et al., 1987, 3gas phase; M
Quantity Value Units Method Reference Comment
Δr85.4 ± 6.7kJ/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
Δr31.kJ/molPHPMSHiraoka, Mizuse, et al., 1987, 3gas phase; M
Quantity Value Units Method Reference Comment
Δr52.7J/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
Δr122. ± 8.4kJ/molIMREDillow and Kebarle, 1988gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B,M
Quantity Value Units Method Reference Comment
Δr84.1J/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
Δr86.6 ± 8.4kJ/molIMREDillow and Kebarle, 1988gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
86.6423.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
Δr332. ± 14.kJ/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
Δr173. ± 8.4kJ/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
Δr110.J/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
Δr140. ± 8.4kJ/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
Δr64.02kJ/molTDAsHiraoka, Mizuse, et al., 1987, 2gas phase; B,M
Quantity Value Units Method Reference Comment
Δr81.6J/mol*KPHPMSHiraoka, Mizuse, et al., 1987, 2gas phase; M
Quantity Value Units Method Reference Comment
Δr39.3kJ/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
Δr131. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; B,M
Quantity Value Units Method Reference Comment
Δr110.J/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
Δr97.9 ± 8.4kJ/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
Δr278.2kJ/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
Δr146.0kJ/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
Δr184. ± 13.kJ/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
Δr153. ± 8.4kJ/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
Δr259.4kJ/molIMRBMurphy and Beauchamp, 1977, 2gas phase; iPr3B>Et3B>MeSiF3; B
Δr213. ± 8.4kJ/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
Δr100.J/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
Δr182. ± 8.4kJ/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
Δr164. ± 8.4kJ/molIMREDillow and Kebarle, 1988gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B,M
Quantity Value Units Method Reference Comment
Δr84.1J/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
Δr129. ± 8.4kJ/molIMREDillow and Kebarle, 1988gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
129.423.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
Δr141. ± 8.4kJ/molIMREDillow and Kebarle, 1988gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B,M
Quantity Value Units Method Reference Comment
Δr84.1J/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
Δr105. ± 8.4kJ/molIMREDillow and Kebarle, 1988gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
105.423.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
Δr157.kJ/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
Δr84.1J/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° (kJ/mol) T (K) Method Reference Comment
121.423.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
Δr102. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; B
Quantity Value Units Method Reference Comment
Δr69.0 ± 8.4kJ/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
Δr102.kJ/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
Δr111.J/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
Δr69.0kJ/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
Δr135.6kJ/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
Δr141.4kJ/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
Δr157. ± 8.4kJ/molIMREDillow and Kebarle, 1988gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987, 2; B
Quantity Value Units Method Reference Comment
Δr121. ± 8.4kJ/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
Δr272.0kJ/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
Δr459. ± 29.kJ/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
Δr395.0kJ/molTherFinch, Gates, et al., 1977gas phase; This value is far more strongly bound than expected from other X3- data; B
Δr181.2kJ/molN/ACheck, Faust, et al., 2001gas phase; FeH2-(q); ; ΔS(EA)=8.2; B
Quantity Value Units Method Reference Comment
Δr138.1kJ/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
Δr442. ± 25.kJ/molTDAsRau, Chilingarov, et al., 1997gas phase; Values are at 0K; value altered from reference due to conversion from electron convention to ion convention; B
Δr441.0 ± 8.4kJ/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
Δr361. ± 16.kJ/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
Δr660. ± 32.kJ/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
Δr387. ± 15.kJ/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
Δr411. ± 40.kJ/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
Δr351. ± 17.kJ/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
Δr96.2 ± 8.4kJ/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
Δr74.5 ± 8.4kJ/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
Δr223.8 ± 3.3kJ/molTDAsNikitin, Sidorov, et al., 1981gas phase; value altered from reference due to conversion from electron convention to ion convention; B
Δr200. ± 4.2kJ/molTDEqSidorov, Nikitin, et al., 1980gas phase; Fluoride Affinity:1100K, ΔHf(KF2-):298K; value altered from reference due to conversion from electron convention to ion convention; B
Δr>220. ± 21.kJ/molTDEqGusarov, Gorokhov, et al., 1979gas phase; value altered from reference due to conversion from electron convention to ion convention; B
Δr194.kJ/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
Δr230. ± 20.kJ/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
Δr380. ± 63.kJ/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
Δr260. ± 20.kJ/molICRLarson and McMahon, 1987gas phase; bracketing; M

Fluorine anion + FPS = F2PS-

By formula: F- + FPS = F2PS-

Quantity Value Units Method Reference Comment
Δr259. ± 21.kJ/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
Δr234. ± 17.kJ/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
Δr351. ± 16.kJ/molTDAsBoltalina, Borshchevskii, et al., 1992gas phase; Critical review; value altered from reference due to conversion from electron convention to ion convention; B
Δr391. ± 8.4kJ/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
Δr429.70kJ/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
Δr338. ± 15.kJ/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
Δr150.kJ/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr156.kJ/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr156. ± 8.4kJ/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
Δr101.J/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
Δr126.kJ/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr126. ± 8.4kJ/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° (kJ/mol) T (K) Method Reference Comment
115.2988.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
Δr516.31kJ/molTherDamrauer, Simon, et al., 1991gas phase; Between HCO2H, HCl; B
Δr427. ± 71.kJ/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
Δr150. ± 8.4kJ/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
Δr126. ± 25.kJ/molTherGalembeck, Faigle, et al., 1978gas phase; B
Quantity Value Units Method Reference Comment
Δr115.J/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
Δr115. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M

Fluorine anion + F2SSi = (Fluorine anion • F2SSi)

By formula: F- + F2SSi = (F- • F2SSi)

Quantity Value Units Method Reference Comment
Δr>301.2kJ/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
Δr151. ± 13.kJ/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
Δr579.19kJ/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
Δr337. ± 19.kJ/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
Δr97. ± 10.kJ/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
Δr453. ± 15.kJ/molTDAsBoltalina, Borshchevskii, et al., 1992gas phase; Critical review; value altered from reference due to conversion from electron convention to ion convention; B
Δr439. ± 14.kJ/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
Δr456. ± 14.kJ/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
Δr461. ± 17.kJ/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
Δr30.1 ± 1.3kJ/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
Δr200. ± 8.4kJ/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
Δr201. ± 38.kJ/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
Δr110.J/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
Δr168. ± 8.4kJ/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
Δr201. ± 38.kJ/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
Δr168.kJ/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr168. ± 8.4kJ/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
Δr209. ± 21.kJ/molIMRBSullivan and Beauchamp, 1978gas phase; Fluoride Affinity: < OPF3, > F, SF4, Me3SiF, HCN, SO2; B
Quantity Value Units Method Reference Comment
Δr100.J/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr107.J/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
Δr136.kJ/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr136. ± 8.4kJ/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
Δr401. ± 14.kJ/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
Δr474. ± 15.kJ/molTDAsBoltalina, Borshchevskii, et al., 1992gas phase; Critical review; value altered from reference due to conversion from electron convention to ion convention; B
Δr470. ± 10.kJ/molTDEqNikitin, Igolkina, et al., 1986gas phase; Reanalyzed literature data, 4.3 kcal < AlF3; B
Δr487.4 ± 9.6kJ/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
Δr495. ± 10.kJ/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
Δr469.kJ/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
Δr429. ± 18.kJ/molTDAsBoltalina, Borshchevskii, et al., 1992gas phase; Critical review; value altered from reference due to conversion from electron convention to ion convention; B
Δr422. ± 28.kJ/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
Δr477. ± 21.kJ/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
Δr418. ± 29.kJ/molTherMallouk, Rosenthal, et al., 1984gas phase; Fluoride affinities from this method appear to be consistently about 10 kcal/mol too bound; B
Δr>404.6kJ/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
Δr429. ± 17.kJ/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
Δr405. ± 8.8kJ/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
Δr350. ± 84.kJ/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
Δr402.5kJ/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
Δr383. ± 14.kJ/molTDEqBorshchevskii, Boltalina, et al., 1988gas phase; value altered from reference due to conversion from electron convention to ion convention; B
Δr384. ± 17.kJ/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
Δr243. ± 13.kJ/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
Δr280. ± 42.kJ/molIMRBArnold, Miller, et al., 2002gas phase; B
Quantity Value Units Method Reference Comment
Δr220. ± 8.4kJ/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
Δr364. ± 27.kJ/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
Δr406. ± 18.kJ/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
Δr183.kJ/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr183.kJ/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
Δr100.J/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr107.J/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
Δr151.kJ/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr151.kJ/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
Δr230. ± 9.6kJ/molCIDTLobring, Check, et al., 2003, 2gas phase; B
Δr226. ± 27.kJ/molTherLeffert, Tang, et al., 1974gas phase; From SF6; B
Δr>169. ± 14.kJ/molIMRBBabcock and Streit, 1981gas phase; Fluoride Affinity: SF4 > SF5; B
Δr183. ± 8.4kJ/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
Δr151. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B

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

By formula: F- + F4Si = (F- • F4Si)

Quantity Value Units Method Reference Comment
Δr>121.8 ± 2.1kJ/molN/AKawamata, Neigishi, et al., 1996gas phase; B
Δr285. ± 21.kJ/molIMRBMurphy and Beauchamp, 1977gas phase; Fluoride Affinity: <BF3, >iPr2BF; B
Δr251. ± 17.kJ/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
Δr226. ± 17.kJ/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
Δr210.kJ/molICRLarson and McMahon, 1984gas phase; switching reaction(F-)H2O, DG+-8. kJ/mol; 70 ARS/YAM; M

Fluorine anion + F4Th = (Fluorine anion • F4Th)

By formula: F- + F4Th = (F- • F4Th)

Quantity Value Units Method Reference Comment
Δr436. ± 15.kJ/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
Δr361. ± 16.kJ/molTDAsBoltalina, Borshchevskii, et al., 1992gas phase; Critical review; value altered from reference due to conversion from electron convention to ion convention; B
Δr360. ± 22.kJ/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
Δr420. ± 20.kJ/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
Δr415. ± 8.4kJ/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
Δr403. ± 4.2kJ/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
Δr329. ± 14.kJ/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
Δr360. ± 42.kJ/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
Δr423. ± 33.kJ/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
Δr310. ± 42.kJ/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
Δr489.95kJ/molN/ACheck, Faust, et al., 2001gas phase; MnH2-(t); ; ΔS(EA)=5.4; B
Quantity Value Units Method Reference Comment
Δr447.69kJ/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
Δr23.kJ/molPHPMSHiraoka, Shimizu, et al., 1995gas phase; M
Quantity Value Units Method Reference Comment
Δr84.J/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
Δr17.kJ/molPHPMSHiraoka, Shimizu, et al., 1995gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr75.J/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
Δr22.6 ± 1.3kJ/molTDAsHiraoka, Shimizu, et al., 1995gas phase; B
Quantity Value Units Method Reference Comment
Δr-3. ± 13.kJ/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
Δr16.7 ± 1.3kJ/molTDAsHiraoka, Shimizu, et al., 1995gas phase; Entropy estimated. Gaff = +1.4 at 141 K; B
Quantity Value Units Method Reference Comment
Δr-5.9 ± 1.3kJ/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
Δr237. ± 30.kJ/molTherPyatenko, Guasarov, et al., 1984gas phase; Critical review; value altered from reference due to conversion from electron convention to ion convention; B
Δr190. ± 42.kJ/molIMRBBeauchamp, 1976gas phase; B

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

By formula: F- + F6W = (F- • F6W)

Quantity Value Units Method Reference Comment
Δr289. ± 21.kJ/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
Δr402. ± 36.kJ/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
Δr540. ± 50.kJ/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
Δr250. ± 8.kJ/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
Δr192. ± 6.7kJ/molCIDCWenthold and Squires, 1995gas phase; B
Δr162. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M
Δr>145. ± 19.kJ/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
Δr91.6J/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
Δr134. ± 8.4kJ/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° (kJ/mol) T (K) Method Reference Comment
134.289.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
Δr138. ± 13.kJ/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
Δr136. ± 9.6kJ/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
Δr114.6 ± 2.1kJ/molTDAsWeis, Kemper, et al., 1999gas phase; B
Δr97.49kJ/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B,M
Quantity Value Units Method Reference Comment
Δr72.8J/mol*KHPMSArshadi, Yamdagni, et al., 1970gas phase; M
Quantity Value Units Method Reference Comment
Δr91.6 ± 2.1kJ/molTDAsWeis, Kemper, et al., 1999gas phase; B
Δr75.7 ± 8.4kJ/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
Δr80.3 ± 2.1kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; Stated electron affinity is the Vertical Detachment Energy; B,M
Δr69.5 ± 4.2kJ/molTDAsPayzant, Yamdagni, et al., 1971gas phase; B
Δr69.5 ± 4.2kJ/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B,M
Quantity Value Units Method Reference Comment
Δr92.9J/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Δr78.2J/mol*KHPMSArshadi, Yamdagni, et al., 1970gas phase; M
Quantity Value Units Method Reference Comment
Δr52.3 ± 6.7kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; Stated electron affinity is the Vertical Detachment Energy; B
Δr46.0 ± 5.9kJ/molTDAsPayzant, Yamdagni, et al., 1971gas phase; B
Δr46.02kJ/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
Δr64.0 ± 1.7kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Δr57.3 ± 4.2kJ/molTDAsPayzant, Yamdagni, et al., 1971gas phase; B
Δr57.3 ± 4.2kJ/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B,M
Quantity Value Units Method Reference Comment
Δr95.8J/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Δr85.4J/mol*KHPMSArshadi, Yamdagni, et al., 1970gas phase; M
Quantity Value Units Method Reference Comment
Δr35. ± 5.4kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B
Δr32. ± 5.9kJ/molTDAsPayzant, Yamdagni, et al., 1971gas phase; B
Δr31.8kJ/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
Δr58.2 ± 1.7kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Δr56.5 ± 4.2kJ/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B,M
Quantity Value Units Method Reference Comment
Δr111.J/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Δr113.J/mol*KHPMSArshadi, Yamdagni, et al., 1970gas phase; M
Quantity Value Units Method Reference Comment
Δr25. ± 5.4kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B
Δr23.0kJ/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B
Δr26. ± 8.4kJ/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
Δr51.5 ± 1.7kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Δr55.2 ± 4.2kJ/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B,M
Quantity Value Units Method Reference Comment
Δr109.J/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Δr128.J/mol*KHPMSArshadi, Yamdagni, et al., 1970gas phase; M
Quantity Value Units Method Reference Comment
Δr19. ± 5.4kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B
Δr29.7kJ/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B
Δr19. ± 8.4kJ/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
Δr45.6 ± 1.3kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Δr104.J/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Quantity Value Units Method Reference Comment
Δr15. ± 4.2kJ/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
Δr43.5 ± 1.3kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Δr109.J/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Quantity Value Units Method Reference Comment
Δr11. ± 4.2kJ/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
Δr46.9 ± 1.7kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Δr131.J/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; 0.4; M
Quantity Value Units Method Reference Comment
Δr7.5 ± 6.7kJ/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
Δr46.4 ± 2.1kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Δr137.J/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
Quantity Value Units Method Reference Comment
Δr5.4 ± 8.8kJ/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
Δr46.02kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; Entropy estimated; B,M
Quantity Value Units Method Reference Comment
Δr140.J/mol*KN/AHiraoka, Mizuse, et al., 1988gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr4.60kJ/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
Δr145. ± 8.4kJ/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
Δr78.7J/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
Δr121. ± 8.4kJ/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
Δr96.kJ/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
Δr188. ± 34.kJ/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
Δr41. ± 1.kJ/molPHPMSHiraoka, Aruga, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Δr100.J/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
Δr39. ± 1.kJ/molPHPMSHiraoka, Aruga, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Δr95.0J/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
Δr35. ± 1.kJ/molPHPMSHiraoka, Aruga, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Δr98.7J/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
Δr31. ± 1.kJ/molPHPMSHiraoka, Aruga, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Δr102.J/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
Δr26. ± 1.kJ/molPHPMSHiraoka, Aruga, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Δr107.J/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
Δr25. ± 1.kJ/molPHPMSHiraoka, Aruga, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Δr108.J/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
Δr14.kJ/molPHPMSHiraoka, Aruga, et al., 1993gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr84.J/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
Δr184. ± 13.kJ/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
Δr155. ± 13.kJ/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
Δr225. ± 9.2kJ/molCIDTLobring, Check, et al., 2003gas phase; B
Δr222. ± 10.kJ/molCIDTSquires, 1992gas phase; B
Δr183.kJ/molICRLarson and McMahon, 1985gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr183. ± 8.4kJ/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
Δr250.kJ/molSAMSRobbiani and Franklin, 1979gas phase; Cl- + CO2ClF --> SO2F- + Cl2, ΔrH>; M
Quantity Value Units Method Reference Comment
Δr100.J/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr96.2J/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
Δr153.kJ/molICRLarson and McMahon, 1985gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Δr154. ± 8.4kJ/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
Δr330. ± 42.kJ/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
Δr26.4 ± 1.3kJ/molTDAsWada, Kikkawa, et al., 2007gas phase; B
Δr27.2 ± 3.8kJ/molMoblDe Vreugd, Wijnaendts van Resandt, et al., 1979gas phase; B
Δr27.kJ/molSCATTERINGDe Vrengd, Wijnaendts van Resandt, et al., 1979gas phase; M
Quantity Value Units Method Reference Comment
Δr6.4 ± 1.3kJ/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
Δr800.65kJ/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
Δr365. ± 24.kJ/molTDEqKuznetsov, Korobov, et al., 1989gas phase; Fluoride Affinity: 14.2±3.9 kcal/mol < UF4; B
Δr363. ± 27.kJ/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
Δr519. ± 50.kJ/molTherPyatenko and Gorokhov, 1984gas phase; value altered from reference due to conversion from electron convention to ion convention; B

References

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Heni and Illenberger, 1985
Heni, M.; Illenberger, E., The stability of the bifluoride ion (HF2-) in the gas phase, J. Chem. Phys., 1985, 83, 6056. [all data]

Berkowitz, Ellison, et al., 1994
Berkowitz, J.; Ellison, G.B.; Gutman, D., Three methods to measure RH bond energies, J. Phys. Chem., 1994, 98, 2744. [all data]

Aleshina, Borshchevskii, et al., 1996
Aleshina, V.E.; Borshchevskii, Ya.; Korobov, V.M.; Sidorov, L.N., The Enthalpy of Addition of the Fluorine Anion to the BF3 and PF5 Molecules, Russ. J. Phys. Chem., 1996, 70, 1085. [all data]

Mallouk, Rosenthal, et al., 1984
Mallouk, T.E.; Rosenthal, G.L.; Muller, G.; Brusasco, R.; Bartlett, N., Fluoride ion affinities of GeF4 and BF4 from thermodynamic and structural data for (SF2)2GeF6, ClO2GeF5, and ClO2BF4, Inorg. Chem., 1984, 23, 3167. [all data]

Larson and McMahon, 1984
Larson, J.W.; McMahon, T.B., Fluoride and chloride affinities of main group oxides, fluorides, oxofluorides, and alkyls. Quantitative scales of lewis acidities from ion cyclotron resonance halide-exchange equilibria, J. Phys. Chem., 1984, 88, 1083. [all data]

Rhyne and Dillard, 1971
Rhyne, T.C.; Dillard, J.G., Reactions of gaseous inorganic negative ions: III. SF6- with POF3 and PSF3, Int. J. Mass Spectrom. Ion Phys., 1971, 7, 371. [all data]

Kawamata, Neigishi, et al., 1996
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De Vreugd, Wijnaendts van Resandt, et al., 1979
De Vreugd, C.; Wijnaendts van Resandt, R.W.; Los, J., The Well Depths of XeF- and XeCl- from Differential Scattering Measurements, Chem. Phys. Lett., 1979, 65, 1, 93, https://doi.org/10.1016/0009-2614(79)80134-7 . [all data]

De Vrengd, Wijnaendts van Resandt, et al., 1979
De Vrengd, C.; Wijnaendts van Resandt, R.W.; Los, J., The well depths of XeF- and XeCl- from differential scattering measurements, Chem. Phys. Lett., 1979, 65, 93. [all data]


Notes

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