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, UV/Visible spectrum, Vibrational and/or electronic energy levels, 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
Δr-2.0kJ/molEqkRozhnov, Levanova, et al., 1974liquid phase; GC
Δr-3.0 ± 0.67kJ/molEqkCraig, Piper, et al., 1971gas phase
Δr3.03kJ/molEqkWood and Stevenson, 1941gas phase; Heat of isomerization
Δr2.6kJ/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
Δr0.8kJ/molKinLaursen and Pimentel, 1989gas phase; Photolysis
Δr1.8 ± 0.4kJ/molEqkCraig, Piper, et al., 1971gas phase
Δr1.86 ± 0.084kJ/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
Δr-5.52kJ/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
Δr-169.kJ/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
Δr16.kJ/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
Δr9.6kJ/molKinLaursen and Pimentel, 1989gas phase; Photolysis

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

By formula: C2H2Cl2 = C2H2 + Cl2

Quantity Value Units Method Reference Comment
Δr21.kJ/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
Δr-61.1kJ/molCmLevanova, Treger, et al., 1975liquid phase

UV/Visible spectrum

Go To: Top, Reaction thermochemistry data, Vibrational and/or electronic energy levels, 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: Victor Talrose, Alexander N. Yermakov, Alexy A. Usov, Antonina A. Goncharova, Axlexander N. Leskin, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

Spectrum

Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.

UVVis spectrum
For Zoom
1.) Enter the desired X axis range (e.g., 100, 200)
2.) Check here for automatic Y scaling
3.) Press here to zoom

Additional Data

View image of digitized spectrum (can be printed in landscape orientation).

View spectrum image in SVG format.

Download spectrum in JCAMP-DX format.

Source Perkampus and Braunschweig, 1966
Owner INEP CP RAS, NIST OSRD
Collection (C) 2007 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS
Source reference RAS UV No. 19933
Instrument Zeis PMQ II
Boiling point 60

Vibrational and/or electronic energy levels

Go To: Top, Reaction thermochemistry data, UV/Visible spectrum, 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: Takehiko Shimanouchi

Symmetry:   C     Symmetry Number σ = 2


 Sym.   No   Approximate   Selected Freq.  Infrared   Raman   Comments 
 Species   type of mode   Value   Rating   Value  Phase  Value  Phase

a1 1 CH str 3077  C 3077 liq.
a1 2 CC str 1587  C 1590 S liq. 1587 S p liq.
a1 3 CH bend 1179  C 1183 W liq. 1179 S p liq.
a1 4 CCl str 711  C 714 S liq. 711 S p liq.
a1 5 CCCl deform 173  C 173 S p liq.
a2 6 CH bend 876  C  ia 876 W dp liq.
a2 7 Torsion 406  C  ia 406 S dp liq.
b1 8 CH str 3072  C 3072 gas
b1 9 CH bend 1303  C 1303 gas
b1 10 CCl str 857  B 857 gas
b1 11 CCCl deform 571  B 571 gas 563 M dp liq.
b2 12 CH bend 697  B 697 gas

Source: Shimanouchi, 1972

Notes

SStrong
MMedium
WWeak
iaInactive
pPolarized
dpDepolarized
B1~3 cm-1 uncertainty
C3~6 cm-1 uncertainty

References

Go To: Top, Reaction thermochemistry data, UV/Visible spectrum, Vibrational and/or electronic energy levels, 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]

Perkampus and Braunschweig, 1966
Perkampus, H.-H.; Braunschweig, T.H., UV atlas of organic compounds, 1966, 1, A1/4. [all data]

Shimanouchi, 1972
Shimanouchi, T., Tables of Molecular Vibrational Frequencies Consolidated Volume I, National Bureau of Standards, 1972, 1-160. [all data]


Notes

Go To: Top, Reaction thermochemistry data, UV/Visible spectrum, Vibrational and/or electronic energy levels, References


Copyright for NIST Standard Reference Data is governed by the Standard Reference Data Act.