Benzene, chloropentafluoro-

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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfliquid-203.3 ± 0.53kcal/molCcrCox, Gundry, et al., 1969ALS
Quantity Value Units Method Reference Comment
Δcliquid-580.47 ± 0.48kcal/molCcrCox, Gundry, et al., 1969ALS
Quantity Value Units Method Reference Comment
liquid72.560cal/mol*KN/APaukov and Glukhikh, 1969DH
liquid71.87cal/mol*KN/AAndon, Counsell, et al., 1968DH

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
53.339298.15Paukov and Glukhikh, 1969T = 13 to 303 K.; DH
52.92298.15Andon, Counsell, et al., 1968T = 12 to 395 K.; DH

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 evaluated as indicated in comments:
L - Sharon G. Lias

Data compiled as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess

Quantity Value Units Method Reference Comment
IE (evaluated)9.72 ± 0.14eVN/AN/AL

Electron affinity determinations

EA (eV) Method Reference Comment
0.750 ± 0.080N/AMiller and Viggiano, 2005B
0.82 ± 0.11IMREDillow and Kebarle, 1989ΔGea(423 K) = -20.3 kcal/mol . Assumed EA entropy = 3.5 eu; B

Ionization energy determinations

IE (eV) Method Reference Comment
9.72 ± 0.02PEMohraz, Maier, et al., 1980LLK
10.4 ± 0.1EIMajer and Patrick, 1962RDSH
9.5PEBieri, Asbrink, et al., 1982Vertical value; LBLHLM
9.94PETrudell and Price, 1979Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C6F5+15.85 ± 0.05ClEIPrice and Sapiano, 1974LLK
C6F5+15.9 ± 0.1ClEIMajer and Patrick, 1962RDSH

References

Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics data, 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]

Paukov and Glukhikh, 1969
Paukov, I.E.; Glukhikh, L.K., The true heat capacity over the range 13-300K and the entropy and enthalpy of chloropentafluorobenzene, Zhur. Fiz. Khim., 1969, 43, 1350-1352. [all data]

Andon, Counsell, et al., 1968
Andon, R.J.L.; Counsell, J.F.; Hales, J.L.; Lees, E.B.; Martin, J.F., Thermodynamic properties of fluorine compounds. Part VII. Heat capacity and entropy of pentafluorochelorobenzene and pentafluorophenol, J. Chem. Soc. A, 1968, 2357-2361. [all data]

Miller and Viggiano, 2005
Miller, T.M.; Viggiano, A.A., Electron attachment and detachment: C6F5Cl, C6F5Br, and C6F5I and the electron affinity of C6F5Cl, Phys. Rev. A, 2005, 71, 1, 012702, https://doi.org/10.1103/PhysRevA.71.012702 . [all data]

Dillow and Kebarle, 1989
Dillow, G.W.; Kebarle, P., Substituent Effects on the Electron Affinities of Perfluorobenzenes C6F5X, J. Am. Chem. Soc., 1989, 111, 15, 5592, https://doi.org/10.1021/ja00197a014 . [all data]

Mohraz, Maier, et al., 1980
Mohraz, M.; Maier, J.P.; Heilbronner, E., He(I α) and He(Iα) photoelectron spectra of fluorinated chloro- and bromobenzenes, J. Electron Spectrosc. Relat. Phenom., 1980, 19, 429. [all data]

Majer and Patrick, 1962
Majer, J.R.; Patrick, C.R., Electron impact on some halogenated aromatic compounds, J. Chem. Soc. Faraday Trans., 1962, 58, 17. [all data]

Bieri, Asbrink, et al., 1982
Bieri, G.; Asbrink, L.; Von Niessen, W., 30.4-nm He(II) photoelectron spectra of organic molecules, J. Electron Spectrosc. Relat. Phenom., 1982, 27, 129. [all data]

Trudell and Price, 1979
Trudell, B.C.; Price, S.J.W., The ultraviolet photoelectron spectra of C6F5X compounds, X=(F, Cl, Br, I, H, CH3), Can. J. Chem., 1979, 57, 2256. [all data]

Price and Sapiano, 1974
Price, S.J.W.; Sapiano, H.J., C6F5X bond dissociation energies: determination from appearance potential measurements and correlation with thermochemical data, Can. J. Chem., 1974, 52, 4109. [all data]


Notes

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