A number of interpreted spectra are available for interactive Jmol/JSpecView display
(IR) (Z) cis-C2H2Cl2 --- (R) (Z) cis-C2H2Cl2
overlay the two --- split overlay
(IR)(E) trans-C2H2Cl2 --- (R) (E) trans-C2H2Cl2
overlay the two --- split overlay

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The cis-isomer belongs to the C2v point group while the trans-isomer to the C2h symmetry group.

Applications of Group Theory: Infrared and Raman Spectra of the Isomers of 1,2-Dichloroethylene
Norman C. Craig and Nanette N. Lacuesta, Journal of Chemical Education, Vol. 81 No. 8 August 2004, p 1199

Educational Applications of IR and Raman Spectroscopy: A Comparison of Experiment and Theory
Brian L. McClain, Sara M. Clark, Ryan L. Gabriel, and Dor Ben-Amotz, Journal of Chemical Education, Vol. 77 No. 5 May 2000, p 654
Vibration Spectra of cis and trans Dichloroethylene-d1
H.J. Bernstein and A.D.E. Pullin, Canadian Journal of Chemistry, 30 1952, 963.

Copyright © 2012 by The Department of Chemistry, UWI, Jamaica, all rights reserved.

Created and maintained by Prof. Robert J. Lancashire,
The Department of Chemistry, University of the West Indies,
Mona Campus, Kingston 7, Jamaica.

Created February 2012. Links checked and/or last modified 31st March 2012.
URL http://wwwchem.uwimona.edu.jm/spectra/JSpecView2/sample/DCE.html