Ethene, 2-chloro-1,1-difluoro-
- Formula: C2HClF2
- Molecular weight: 98.479
- IUPAC Standard InChI: InChI=1S/C2HClF2/c3-1-2(4)5/h1H
- IUPAC Standard InChIKey: HTHNTJCVPNKCPZ-UHFFFAOYSA-N
- CAS Registry Number: 359-10-4
- 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: Ethylene, 2-chloro-1,1-difluoro-; Chloro-1,1-difluoroethylene; 1,1-Difluorochloroethylene; 2-Chloro-1,1-difluoroethylene; CF2=CHCl; 2,2-Difluoro-1-chloroethene; 1,1-Difluoro-2-chloroethylene; F 1122; FC 1122; HCFC 1122; R 1122; Ethene, 1,1-difluoro-2-chloro
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Reaction 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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Individual Reactions
+
=
+
By formula: H2 + C2Cl2F2 = C2HClF2 + HCl
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -21.56 | kcal/mol | Chyd | Lacher, Kianpour, et al., 1956 | gas phase; At 298 K |
2 +
=
+
By formula: 2H2 + C2HClF2 = C2H4F2 + HCl
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -61.77 | kcal/mol | Chyd | Lacher, Kianpour, et al., 1956 | gas phase; At 410 K |
Gas phase ion energetics data
Go To: Top, Reaction 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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| IE (evaluated) | 9.80 ± 0.04 | eV | N/A | N/A | L |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 9.76 | S | Scott and Russell, 1972 | LLK |
| 9.84 | PE | Lake and Thompson, 1970 | RDSH |
References
Go To: Top, 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.
Lacher, Kianpour, et al., 1956
Lacher, J.R.; Kianpour, A.; Oetting, F.; Park, J.D.,
Reaction calorimetry. The hydrogenation of organic fluorides and chlorides,
Trans. Faraday Soc., 1956, 52, 1500-1508. [all data]
Scott and Russell, 1972
Scott, J.D.; Russell, B.R.,
Vacuum-ultraviolet spectral studies of several chlorofluoroethylenes,
J. Am. Chem. Soc., 1972, 94, 2634. [all data]
Lake and Thompson, 1970
Lake, R.F.; Thompson, H.,
Photoelectron spectra of halogenated ethylenes,
Proc. Roy. Soc. (London), 1970, A315, 323. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
IE (evaluated) Recommended ionization energy ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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