(E)-1,2-Difluoroethylene
- Formula: C2H2F2
- Molecular weight: 64.0341
- CAS Registry Number: 1630-78-0
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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
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Individual Reactions
C2H2F2 =
By formula: C2H2F2 = C2H2F2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -4.52 ± 0.50 | kJ/mol | Eqk | Craig, Piper, et al., 1971 | gas phase |
= C2H2F2
By formula: C2H2F2 = C2H2F2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 3.9 | kJ/mol | Eqk | Craig and Entemann, 1961 | gas phase |
References
Go To: Top, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Craig, Piper, et al., 1971
Craig, N.C.; Piper, L.G.; Wheeler, V.L.,
Thermodynamics of cis-trans isomerizations. II. The 1-chloro-2-fluoroethylenes, 1,2-difluorocyclopropanes, and related molecules,
J. Phys. Chem., 1971, 75, 1453-1460. [all data]
Craig and Entemann, 1961
Craig, N.C.; Entemann, E.A.,
Thermodynamics of cis-trans isomerizations. The 1,2-difluoroethylenes,
J. Am. Chem. Soc., 1961, 83, 3047-3050. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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