Benzoic acid, 2-fluoro-

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Condensed phase thermochemistry 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfsolid-568.5 ± 1.1kJ/molCcrJohnson and Prosen, 1975 
Δfsolid-567.6 ± 1.9kJ/molCcrGood, Scott, et al., 1956Corrected for CODATA value of ΔfH
Quantity Value Units Method Reference Comment
Δcsolid-3080.0 ± 1.0kJ/molCcrJohnson and Prosen, 1975 
Δcsolid-3080.6 ± 1.5kJ/molCcrGood, Scott, et al., 1956Corrected for CODATA value of ΔfH
Δcsolid-3097.kJ/molCcbSwarts, 1919Not corrected for CODATA value of ΔfH

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
Δsub94.4 ± 0.8kJ/molN/AMonte and Hillesheim, 2000 

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Method Reference Comment
93.9 ± 0.5316.MEMonte and Hillesheim, 2000Based on data from 309. to 323. 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 by: John E. Bartmess

De-protonation reactions

C7H4FO2- + Hydrogen cation = Benzoic acid, 2-fluoro-

By formula: C7H4FO2- + H+ = C7H5FO2

Quantity Value Units Method Reference Comment
Δr1414. ± 9.2kJ/molG+TSKebarle and McMahon, 1977gas phase
Quantity Value Units Method Reference Comment
Δr1383. ± 8.4kJ/molIMREKebarle and McMahon, 1977gas phase

Mass spectrum (electron ionization)

Go To: Top, Condensed phase thermochemistry data, Phase change 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Japan AIST/NIMC Database- Spectrum MS-NW-8852
NIST MS number 228165

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References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), Notes

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

Johnson and Prosen, 1975
Johnson, W.H.; Prosen, E.J., Enthalpies of combustion and formation of ortho- and parafluorobenzoic acid, J. Res. Natl. Bur. Stand. Sect. A:, 1975, 79, 481-486. [all data]

Good, Scott, et al., 1956
Good, W.D.; Scott, D.W.; Waddington, G., Combustion calorimetry of organic fluorine compounds by a rotating-bomb method, J. Phys. Chem., 1956, 60, 1080-1089. [all data]

Swarts, 1919
Swarts, F., Etudes thermochimiques sur les combinaisons organiques fluorees, J. Chim. Phys., 1919, 17, 3-70. [all data]

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]

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

Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), References