Benzene, 1,3-bis(trifluoromethyl)-
- Formula: C8H4F6
- Molecular weight: 214.1078
- IUPAC Standard InChIKey: SJBBXFLOLUTGCW-UHFFFAOYSA-N
- CAS Registry Number: 402-31-3
- 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: m-Xylene, α,α,α,α',α',α'-hexafluoro-; α,α,α,α',α',α'-Hexafluoro-m-xylene; m-Bis(trifluoromethyl)benzene; 1,3-Bis(trifluoromethyl)benzene; 1,3-di(Trifluoromethyl)benzene; NSC 10342; ααα-α',α',α' -Hexafluoro-m-xylol; α,α,α,β,β,β-hexafluoro-m-xylene
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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
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 389. | K | N/A | PCR Inc., 1990 | BS |
Tboil | 389.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
10.1 | 290. | A | Stephenson and Malanowski, 1987 | Based on data from 275. to 353. K. See also Potter and Saylor, 1951, Dykyj and Vanko, 1970, and Dykyj, Svoboda, et al., 1999.; 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
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Individual Reactions
C8H3F6- + =
By formula: C8H3F6- + H+ = C8H4F6
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 372.6 ± 3.1 | kcal/mol | G+TS | Schlosser, Mongin, et al., 1998 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 365.0 ± 3.0 | kcal/mol | IMRE | Schlosser, Mongin, et al., 1998 | gas 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
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
10.57 | PE | Cabelli, Cowley, et al., 1982 | Vertical value; LBLHLM |
De-protonation reactions
C8H3F6- + =
By formula: C8H3F6- + H+ = C8H4F6
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 372.6 ± 3.1 | kcal/mol | G+TS | Schlosser, Mongin, et al., 1998 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 365.0 ± 3.0 | kcal/mol | IMRE | Schlosser, Mongin, et al., 1998 | gas phase; B |
IR 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Gas Phase Spectrum
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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.
Additional Data
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Owner | NIST Standard Reference Data Program Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Sadtler Research Labs Under US-EPA Contract |
State | gas |
Mass spectrum (electron ionization)
Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, References, Notes
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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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
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 | Japan AIST/NIMC Database- Spectrum MS-NW-6458 |
NIST MS number | 236252 |
References
Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
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 and Vanko, 1970
Dykyj, J.; Vanko, A.,
Petrochemica, 1970, 10, 1, 3. [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]
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]
Cabelli, Cowley, et al., 1982
Cabelli, D.E.; Cowley, A.H.; Lagowski, J.J.,
The bonding in some bis(arene)chromium compounds as indicated by U. V. photoelectron zpectroscopy,
Inorg. Chim. Acta, 1982, 57, 195. [all data]
Notes
Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), 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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