Benzene, chloropentafluoro-
- Formula: C6ClF5
- Molecular weight: 202.509
- IUPAC Standard InChIKey: KGCDGLXSBHJAHZ-UHFFFAOYSA-N
- CAS Registry Number: 344-07-0
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Chloropentafluorobenzene; Pentafluorochlorobenzene; Pentafluorophenyl chloride; Chloroperfluorobenzene; 1-Chloro-2,3,4,5,6-pentafluorobenzene
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Condensed phase thermochemistry data
Go To: Top, 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:
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 |
---|---|---|---|---|---|
ΔfH°liquid | -203.3 ± 0.53 | kcal/mol | Ccr | Cox, Gundry, et al., 1969 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -580.47 ± 0.48 | kcal/mol | Ccr | Cox, Gundry, et al., 1969 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 72.560 | cal/mol*K | N/A | Paukov and Glukhikh, 1969 | DH |
S°liquid | 71.87 | cal/mol*K | N/A | Andon, Counsell, et al., 1968 | DH |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
53.339 | 298.15 | Paukov and Glukhikh, 1969 | T = 13 to 303 K.; DH |
52.92 | 298.15 | Andon, Counsell, et al., 1968 | T = 12 to 395 K.; DH |
Gas phase ion energetics data
Go To: Top, Condensed phase thermochemistry data, References, Notes
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 ± 0.14 | eV | N/A | N/A | L |
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
0.750 ± 0.080 | N/A | Miller and Viggiano, 2005 | B |
0.82 ± 0.11 | IMRE | Dillow and Kebarle, 1989 | ΔGea(423 K) = -20.3 kcal/mol . Assumed EA entropy = 3.5 eu; B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.72 ± 0.02 | PE | Mohraz, Maier, et al., 1980 | LLK |
10.4 ± 0.1 | EI | Majer and Patrick, 1962 | RDSH |
9.5 | PE | Bieri, Asbrink, et al., 1982 | Vertical value; LBLHLM |
9.94 | PE | Trudell and Price, 1979 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C6F5+ | 15.85 ± 0.05 | Cl | EI | Price and Sapiano, 1974 | LLK |
C6F5+ | 15.9 ± 0.1 | Cl | EI | Majer and Patrick, 1962 | RDSH |
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
Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy Cp,liquid Constant pressure heat capacity of liquid EA Electron affinity IE (evaluated) Recommended ionization energy S°liquid Entropy of liquid at standard conditions ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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