Benzene, hexafluoro-
- Formula: C6F6
- Molecular weight: 186.0546
- IUPAC Standard InChIKey: ZQBFAOFFOQMSGJ-UHFFFAOYSA-N
- CAS Registry Number: 392-56-3
- 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: CP 28; Hexafluorobenzene; Perfluorobenzene; 1,2,3,4,5,6-Hexafluorobenzene
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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 |
---|---|---|---|---|---|
ΔfH°liquid | -237.0 ± 0.29 | kcal/mol | Ccr | Cox, Gundry, et al., 1969 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -487.9 ± 2.0 | kcal/mol | Ccr | Krech, Price, et al., 1972 | ΔEr=-489.0 kcal/mol; ALS |
ΔcH°liquid | -584.03 ± 0.29 | kcal/mol | Ccr | Cox, Gundry, et al., 1969 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 67.110 | cal/mol*K | N/A | Messerly and Finke, 1970 | DH |
S°liquid | 66.900 | cal/mol*K | N/A | Counsell, Green, et al., 1965 | DH |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
53.783 | 298.15 | Wilhelm, Lainez, et al., 1987 | DH |
53.06 | 300. | Gorbunova, Grigoriev, et al., 1982 | T = 280 to 353 K. Data also given by equation.; DH |
52.96 | 298.15 | Gorbunova, Simonov, et al., 1982 | T = 280 to 680 K. Data calculated from the equation: Cp(liq) (kJ/kg*K) = 1.19132 - 1.0716x10-3T + 3.59x10-6T2.; DH |
52.89 | 298.76 | Gorbunova, Simonov, et al., 1982, 2 | T = 284 to 350 K. Value is unsmoothed experimental datum. Cp (298.76 K) given as 1.1892 J/g*K.; DH |
52.959 | 298.15 | Messerly and Finke, 1970 | T = 13 to 342 K.; DH |
52.959 | 298.15 | Counsell, Green, et al., 1965 | T = 10 to 310 K.; DH |
IR Spectrum
Go To: Top, Condensed phase thermochemistry data, References, Notes
Data compiled by: Coblentz Society, Inc.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
References
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, 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]
Krech, Price, et al., 1972
Krech, M.; Price, S.J.W.; Yared, W.F.,
Determination of the heat of formation of hexafluorobenzene,
Can. J. Chem., 1972, 50, 2935-2938. [all data]
Messerly and Finke, 1970
Messerly, J.F.; Finke, H.L.,
Hexafluorobenzene and 1,3-difluorobenzene. Low-temperature calorimetric studies and chemical thermodynamic properties,
J. Chem. Thermodynam., 1970, 2, 867-880. [all data]
Counsell, Green, et al., 1965
Counsell, J.F.; Green, J.H.S.; Hales, J.L.; Martin, J.F.,
Thermodynamic properties of fluorine compounds. Part 2. Physical and thermodynamic properties of hexafluorobenzene,
Trans. Faraday Soc., 1965, 61, 212-218. [all data]
Wilhelm, Lainez, et al., 1987
Wilhelm, E.; Lainez, A.; Berkane, M.; Roux-Desgranges, G.; Roux, A.H.; Grolier, J.-P.E.,
Hydrocarbon/fluorohydrocarbon solutions: thermodyanmic studies on an important class of materials,
Calorim. Anal. Therm., 1987, 18, 95-99. [all data]
Gorbunova, Grigoriev, et al., 1982
Gorbunova, N.I.; Grigoriev, V.A.; Simonov, V.M.; Shipova, V.A.,
Heat capacity of liquid benzene and hexafluorobenzene at atmospheric pressure,
Int. J. Thermophysics, 1982, 3, 1-15. [all data]
Gorbunova, Simonov, et al., 1982
Gorbunova, N.I.; Simonov, V.M.; Shipova, V.A.,
The enthalpy of benzene and hexafluorobenzene in the temperature range of 290-680 K and pressure range 0.1-20.0 MPa,
Proc. Symp. Thermophys. Prop. 8th(2), 1982, 409-14. [all data]
Gorbunova, Simonov, et al., 1982, 2
Gorbunova, N.I.; Simonov, V.M.; Shipova, V.A.,
Thermodynamic properties of hexafluorobenzene,
Dokl. Akad. Nauk, 1982, SSSR 266, 850-853. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid 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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