Cyclobutene, hexafluoro-
- Formula: C4F6
- Molecular weight: 162.0332
- IUPAC Standard InChIKey: QVHWOZCZUNPZPW-UHFFFAOYSA-N
- CAS Registry Number: 697-11-0
- 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: Hexafluorocyclobutene; Perfluorocyclobutene; 1,2,3,3,4,4-Hexafluorocyclobutene
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Gas 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | Cm | Andreevskii and Antonova, 1982 | uncertain value: -236.9 kcal/mol |
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
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 278. to 279. | K | N/A | PCR Inc., 1990 | BS |
Tboil | 278. | K | N/A | Park, Benning, et al., 1947 | Uncertainty assigned by TRC = 3. K; TRC |
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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
By formula: C4F6 + Cl2 = C4Cl2F6
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -37.38 ± 0.99 | kcal/mol | Cm | Lacher, McKinley, et al., 1949 | gas phase; Heat of chlorination at 363 °K |
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 by: John E. Bartmess
View reactions leading to C4F6+ (ion structure unspecified)
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
0.23699 | Kine | Christophorou and Datkos, 1995 |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction 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.
Andreevskii and Antonova, 1982
Andreevskii, D.N.; Antonova, Z.A.,
Development of an increment scheme for calculating the thermodynamic properties of organic polyfluoro compounds,
J. Appl. Chem. USSR, 1982, 55, 582-587. [all data]
PCR Inc., 1990
PCR Inc.,
Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [all data]
Park, Benning, et al., 1947
Park, J.D.; Benning, A.F.; Downing, F.B.; Laucius, J.F.; McHarness, R.C.,
Synthesis of Tetrafluoroethylene. Pyrolysis of Monochlorodifluoromethane,
Ind. Eng. Chem., 1947, 39, 343-8. [all data]
Lacher, McKinley, et al., 1949
Lacher, J.R.; McKinley, J.J.; Walden, C.; Lea, K.; Park, J.D.,
Reaction heats of organic fluorine compounds. II. The vapor phase heats of chlorination of some simple fluoroolefins,
J. Am. Chem. Soc., 1949, 71, 1334-1337. [all data]
Christophorou and Datkos, 1995
Christophorou, L.G.; Datkos, P.G.,
Effect of Temperature on the Formation and Autodestruction of Parent Anions,
Int. J. Mass Spectrom. Ion Proc., 1995, 149/150, 59, https://doi.org/10.1016/0168-1176(95)04229-E
. [all data]
Notes
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- Symbols used in this document:
EA Electron affinity Tboil Boiling point ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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