Benzene, 1,4-bis(trifluoromethyl)-
- Formula: C8H4F6
- Molecular weight: 214.1078
- IUPAC Standard InChIKey: PDCBZHHORLHNCZ-UHFFFAOYSA-N
- CAS Registry Number: 433-19-2
- 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: p-Xylene, α,α,α,α',α',α'-hexafluoro-; α,α,α,α',α',α'-Hexafluoro-p-xylene; p-Bis(trifluoromethyl)benzene; Hexafluoro-p-xylene; 1,4-Bis(trifluoromethyl)benzene; 1,4-di(Trifluoromethyl)benzene; p-Xylene, alpha,alpha,alpha,alpha',alpha',alpha'-hexafluoro-; alpha,alpha,alpha,alpha',alpha',alpha'-Hexafluoro-p-xylene; p-Trifluoromethylbenzotrifluoride; NSC 61992
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Phase change 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:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 389.2 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
41.8 | 302. | A | Stephenson and Malanowski, 1987 | Based on data from 287. to 390. K. See also Potter and Saylor, 1951 and Dykyj, Svoboda, et al., 1999.; AC |
Gas phase ion energetics data
Go To: Top, Phase change 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:
B - John E. Bartmess
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
10.43 ± 0.05 | EI | Gallegos and Klaver, 1967 | RDSH |
De-protonation reactions
C8H3F6- + =
By formula: C8H3F6- + H+ = C8H4F6
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1570. ± 13. | kJ/mol | G+TS | Schlosser, Mongin, et al., 1998 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1534. ± 13. | kJ/mol | IMRE | Schlosser, Mongin, et al., 1998 | gas phase; B |
References
Go To: Top, Phase change 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.
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Potter and Saylor, 1951
Potter, John C.; Saylor, John H.,
The Vapor Pressures and Freezing Points of Some Organic Fluorine Compounds 1,2,
J. Am. Chem. Soc., 1951, 73, 1, 90-91, https://doi.org/10.1021/ja01145a032
. [all data]
Dykyj, Svoboda, et al., 1999
Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.L.; Hall, K.R.,
Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds, Springer, Berlin, 1999, 373. [all data]
Gallegos and Klaver, 1967
Gallegos, E.J.; Klaver, R.F.,
Automatic voltage scanner for a peak switching mass spectrometer,
J.Sci. Instr., 1967, 44, 427. [all data]
Schlosser, Mongin, et al., 1998
Schlosser, M.; Mongin, F.; Porwisiak, J.; Dmowski, W.; Buker, H.H.; Nibbering, N.M.M.,
Bis- and Oligo(trifluoromethyl)benzenes: Hydrogen/Metal Exchange Rates and Gas-Phase Acidities.,
Chem. Eur. J., 1998, 4, 7, 1281, https://doi.org/10.1002/(SICI)1521-3765(19980710)4:7<1281::AID-CHEM1281>3.0.CO;2-I
. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
Tboil Boiling point ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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