Ethylene, 1,2-dichloro-, (Z)-
- Formula: C2H2Cl2
- Molecular weight: 96.943
- IUPAC Standard InChIKey: KFUSEUYYWQURPO-UPHRSURJSA-N
- CAS Registry Number: 156-59-2
- 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. - Stereoisomers:
- Other names: Ethene, 1,2-dichloro-, (Z)-; (Z)-1,2-Dichloroethylene; cis-Di-1,2-Chloroethylene; cis-Dichloroethylene; cis-1,2-Dichloroethene; cis-1,2-Dichloroethylene; 1,2-cis-Dichloroethylene; (Z)-CHCl=CHCl; (Z)-1,2-Dichloroethene; 1,2-cis-Dichloroethene; Acetylene dichloride, cis-; 1,cis-2-Dichloroethene; Ethylene, 1,2-dichloro-, cis-; Ethene, 1,2-dichloro-, (1Z)-; HCC 1130c; R 1130c
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Reaction thermochemistry data
Go To: Top, 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
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: C2H2Cl2 = C2H2Cl2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -2.0 | kJ/mol | Eqk | Rozhnov, Levanova, et al., 1974 | liquid phase; GC |
ΔrH° | -3.0 ± 0.67 | kJ/mol | Eqk | Craig, Piper, et al., 1971 | gas phase |
ΔrH° | 3.03 | kJ/mol | Eqk | Wood and Stevenson, 1941 | gas phase; Heat of isomerization |
ΔrH° | 2.6 | kJ/mol | Eqk | Maroney, 1935 | gas phase; At 300-975 K |
By formula: C2H2Cl2 = C2H2Cl2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 0.8 | kJ/mol | Kin | Laursen and Pimentel, 1989 | gas phase; Photolysis |
ΔrH° | 1.8 ± 0.4 | kJ/mol | Eqk | Craig, Piper, et al., 1971 | gas phase |
ΔrH° | 1.86 ± 0.084 | kJ/mol | Eqk | Pitzer and Hollenberg, 1954 | liquid phase; Heat of isomerization at 0K |
By formula: C2H2Cl2 = C2H2Cl2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -5.52 | kJ/mol | Eqk | Rozhnov, Levanova, et al., 1974 | liquid phase; solvent: Dichloromethylene; GC |
By formula: C2H2Cl2 + Cl2 = C2H2Cl4
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -169. | kJ/mol | Cm | Kirkbride, 1956 | liquid phase; Heat of chlorination |
By formula: C2H2Cl2 = H2 + C2Cl2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 16. | kJ/mol | Kin | Laursen and Pimentel, 1989 | gas phase; Photolysis |
By formula: C2H2Cl2 = C2HCl + HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.6 | kJ/mol | Kin | Laursen and Pimentel, 1989 | gas phase; Photolysis |
By formula: C2H2Cl2 = C2H2 + Cl2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 21. | kJ/mol | Kin | Laursen and Pimentel, 1989 | gas phase; Photolyses |
By formula: C2H2Cl2 + HCl = C2H3Cl3
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -61.1 | kJ/mol | Cm | Levanova, Treger, et al., 1975 | liquid 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.
Rozhnov, Levanova, et al., 1974
Rozhnov, A.M.; Levanova, S.V.; Dvornikova, G.A.; Sadovnikova, S.L.,
Equilibrium of isomerization of dichloroethylenes,
J. Appl. Chem. USSR, 1974, 47, 667-669. [all data]
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]
Wood and Stevenson, 1941
Wood, R.E.; Stevenson, D.P.,
The energy of isomerization of cis- and trans-dichloroethylene,
J. Am. Chem. Soc., 1941, 63, 1650-1653. [all data]
Maroney, 1935
Maroney, W.,
The thermal equilibrium of the cis-trans isomers of dichloroethylene at high temperatures,
J. Am. Chem. Soc., 1935, 57, 2397-2398. [all data]
Laursen and Pimentel, 1989
Laursen, S.L.; Pimentel, G.C.,
Matrix-induced intersystem crossing in the photochemistry of the 1,2-dichloroethenes,
J. Phys. Chem., 1989, 93, 2328-2333. [all data]
Pitzer and Hollenberg, 1954
Pitzer, K.S.; Hollenberg, J.L.,
Cis- and trans-dichloroethylenes. The infrared spectra from 130-400 cm.-1 and the thermodynamic properties,
J. Am. Chem. Soc., 1954, 76, 1493-1496. [all data]
Kirkbride, 1956
Kirkbride, F.W.,
The heats of chlorination of some hydrocarbons and their chloro-derivatives,
J. Appl. Chem., 1956, 6, 11-21. [all data]
Levanova, Treger, et al., 1975
Levanova, S.V.; Treger, Yu.A.; Velichko, S.M.; Rozhnov, A.M.; Khlestkov, A.I.; Pisarev, V.V.,
Liquid-phase hydrochlorination of symmetrical dichloroethylenes,
J. Appl. Chem. USSR, 1975, 48, 1628-1631, In original 1574. [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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