Benzoic acid, 3-fluoro-

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Phase change data

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

Data compiled by: William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Δsub93.6 ± 0.6kJ/molN/AMonte and Hillesheim, 2000 

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Method Reference Comment
93.3 ± 0.5310.MEMonte and Hillesheim, 2000Based on data from 303. to 317. K.

Gas phase ion energetics data

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

Data compiled as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

IE (eV) Method Reference Comment
9.9 ± 0.2EIBenoit, 1973LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C6H4F+15.3 ± 0.2CO+OHEIBenoit, 1973LLK
C7H4OF+12.5 ± 0.2OHEIBenoit, 1973LLK

De-protonation reactions

C7H4FO2- + Hydrogen cation = Benzoic acid, 3-fluoro-

By formula: C7H4FO2- + H+ = C7H5FO2

Quantity Value Units Method Reference Comment
Δr1406. ± 8.8kJ/molG+TSKebarle and McMahon, 1977gas phase; B
Quantity Value Units Method Reference Comment
Δr1377. ± 8.4kJ/molIMREKebarle and McMahon, 1977gas phase; B

References

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

Monte and Hillesheim, 2000
Monte, Manuel J.S.; Hillesheim, Dorothea M., Thermodynamic study on the sublimation of the three iodobenzoic acids and of 2-fluoro- and 3-fluorobenzoic acids, The Journal of Chemical Thermodynamics, 2000, 32, 12, 1727-1735, https://doi.org/10.1006/jcht.2000.0705 . [all data]

Benoit, 1973
Benoit, F., Substituent effects in mass spectrometry. III. Substituent effects in the dissociation of the molecular ions of para and meta subtituted benzoic acids, Org. Mass Spectrom., 1973, 7, 295. [all data]

Kebarle and McMahon, 1977
Kebarle, P.; McMahon, T.B., Intrinsic Acidities of Substituted Phenols and Benzoic Acids Determined by Gas Phase Proton Transfer Equilibria, J. Am. Chem. Soc., 1977, 99, 7, 2222, https://doi.org/10.1021/ja00449a032 . [all data]


Notes

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