Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

Ethylene, 1,2-dichloro-, (Z)-

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


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

Ethylene, 1,2-dichloro-, (E)- = Ethylene, 1,2-dichloro-, (Z)-

By formula: C2H2Cl2 = C2H2Cl2

Quantity Value Units Method Reference Comment
Deltar-0.48kcal/molEqkRozhnov, Levanova, et al., 1974liquid phase; GC
Deltar-0.72 ± 0.16kcal/molEqkCraig, Piper, et al., 1971gas phase
Deltar0.723kcal/molEqkWood and Stevenson, 1941gas phase; Heat of isomerization
Deltar0.62kcal/molEqkMaroney, 1935gas phase; At 300-975 K

Ethylene, 1,2-dichloro-, (Z)- = Ethylene, 1,2-dichloro-, (E)-

By formula: C2H2Cl2 = C2H2Cl2

Quantity Value Units Method Reference Comment
Deltar0.2kcal/molKinLaursen and Pimentel, 1989gas phase; Photolysis
Deltar0.44 ± 0.09kcal/molEqkCraig, Piper, et al., 1971gas phase
Deltar0.445 ± 0.020kcal/molEqkPitzer and Hollenberg, 1954liquid phase; Heat of isomerization at 0K

Ethene, 1,1-dichloro- = Ethylene, 1,2-dichloro-, (Z)-

By formula: C2H2Cl2 = C2H2Cl2

Quantity Value Units Method Reference Comment
Deltar-1.32kcal/molEqkRozhnov, Levanova, et al., 1974liquid phase; solvent: Dichloromethylene; GC

Ethylene, 1,2-dichloro-, (Z)- + Chlorine = Ethane, 1,1,2,2-tetrachloro-

By formula: C2H2Cl2 + Cl2 = C2H2Cl4

Quantity Value Units Method Reference Comment
Deltar-40.4kcal/molCmKirkbride, 1956liquid phase; Heat of chlorination

Ethylene, 1,2-dichloro-, (Z)- = Hydrogen + Ethyne, dichloro-

By formula: C2H2Cl2 = H2 + C2Cl2

Quantity Value Units Method Reference Comment
Deltar3.9kcal/molKinLaursen and Pimentel, 1989gas phase; Photolysis

Ethylene, 1,2-dichloro-, (Z)- = Ethyne, chloro- + Hydrogen chloride

By formula: C2H2Cl2 = C2HCl + HCl

Quantity Value Units Method Reference Comment
Deltar2.3kcal/molKinLaursen and Pimentel, 1989gas phase; Photolysis

Ethylene, 1,2-dichloro-, (Z)- = Acetylene + Chlorine

By formula: C2H2Cl2 = C2H2 + Cl2

Quantity Value Units Method Reference Comment
Deltar5.1kcal/molKinLaursen and Pimentel, 1989gas phase; Photolyses

Ethylene, 1,2-dichloro-, (Z)- + Hydrogen chloride = Ethane, 1,1,2-trichloro-

By formula: C2H2Cl2 + HCl = C2H3Cl3

Quantity Value Units Method Reference Comment
Deltar-14.6kcal/molCmLevanova, Treger, et al., 1975liquid 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