Benzoic acid, pentafluoro-

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Gas 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
Δfgas-274.47 ± 0.24kcal/molCcrCox, Gundry, et al., 1969 

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-296.34 ± 0.24kcal/molCcrCox, Gundry, et al., 1969 
Quantity Value Units Method Reference Comment
Δcsolid-610.13 ± 0.24kcal/molCcrCox, Gundry, et al., 1969 

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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil493.KN/APCR Inc., 1990BS
Tboil493.2KN/AWeast and Grasselli, 1989BS
Quantity Value Units Method Reference Comment
Δsub21.9 ± 0.1kcal/molVCox, Gundry, et al., 1969ALS

Enthalpy of sublimation

ΔsubH (kcal/mol) Temperature (K) Method Reference Comment
21.9 ± 1.0335. to 359.GSCox, Gundry, et al., 1969See also Cox and Pilcher, 1970.; AC

Reaction 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: John E. Bartmess

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.

Individual Reactions

C7F5O2- + Hydrogen cation = Benzoic acid, pentafluoro-

By formula: C7F5O2- + H+ = C7HF5O2

Quantity Value Units Method Reference Comment
Δr323.6 ± 2.1kcal/molG+TSKoppel, Taft, et al., 1994gas phase
Quantity Value Units Method Reference Comment
Δr316.6 ± 2.0kcal/molIMREKoppel, Taft, et al., 1994gas phase

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
9.2PEMeeks, Wahlborg, et al., 1981LLK
10.2PEMeeks, Wahlborg, et al., 1981Vertical value; LLK

De-protonation reactions

C7F5O2- + Hydrogen cation = Benzoic acid, pentafluoro-

By formula: C7F5O2- + H+ = C7HF5O2

Quantity Value Units Method Reference Comment
Δr323.6 ± 2.1kcal/molG+TSKoppel, Taft, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Δr316.6 ± 2.0kcal/molIMREKoppel, Taft, et al., 1994gas phase; B

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director


Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Mass 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 NIST Mass Spectrometry Data Center, 2009
NIST MS number 378296

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UV/Visible spectrum

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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: Victor Talrose, Alexander N. Yermakov, Alexy A. Usov, Antonina A. Goncharova, Axlexander N. Leskin, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

Spectrum

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UVVis spectrum
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Additional Data

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Source (editor), 1967
Owner INEP CP RAS, NIST OSRD
Collection (C) 2007 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS
Source reference RAS UV No. 18959
Instrument SFD-2
Melting point 105.0-105.5

Gas Chromatography

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Van Den Dool and Kratz RI, non-polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryVF-5MS1176.Zheng, 201130. m/0.25 mm/0.25 μm, He; Tstart: 60. C; Tend: 270. C

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, Notes

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

Cox, Gundry, et al., 1969
Cox, J.D.; Gundry, H.A.; Harrop, D.; Head, A.J., Thermodynamic properties of fluorine compounds. 9. Enthalpies of formation of some compounds containing the pentafluorophenyl group, J. Chem. Thermodyn., 1969, 1, 77-87. [all data]

PCR Inc., 1990
PCR Inc., Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press Inc., London, 1970, 643. [all data]

Koppel, Taft, et al., 1994
Koppel, I.A.; Taft, R.W.; Anvia, F.; Zhu, S.Z.; Hu, L.Q.; Sung, K.S.; Desmarteau, D.D.; Yagupolskii, L.M., The Gas-Phase Acidities of Very Strong Neutral Bronsted Acids, J. Am. Chem. Soc., 1994, 116, 7, 3047, https://doi.org/10.1021/ja00086a038 . [all data]

Meeks, Wahlborg, et al., 1981
Meeks, J.; Wahlborg, A.; McGlynn, S.P., Photoelectron spectroscopy of carbonyls: Benzoic acid and its derivatives, J. Electron Spectrosc. Relat. Phenom., 1981, 22, 43. [all data]

(editor), 1967
(editor), Koptyug V.A., Atlas of Spectra of Aromatic and Heterocyclic Compounds, 1967, 1, 61. [all data]

Zheng, 2011
Zheng, Yufang, Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2011. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, References