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

• Formula: C₂H₂Cl₂
• Molecular weight: 96.943
• IUPAC Standard InChI: InChI=1S/C2H2Cl2/c3-1-2-4/h1-2H/b2-1- Copy

  
• IUPAC Standard InChIKey: KFUSEUYYWQURPO-UPHRSURJSA-N Copy
• 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
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• Stereoisomers:
  • Ethylene, 1,2-dichloro-, (E)-
  • 1,2-Dichloroethylene
• 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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• Information on this page:
  • Gas phase thermochemistry data
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
  • Vibrational and/or electronic energy levels
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Henry's Law data
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Gas phase 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 as indicated in comments:
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Gas phase ion energetics 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 evaluated as indicated in comments:
L - Sharon G. Lias

Data compiled as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

Appearance energy determinations

Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

Vibrational and/or electronic energy levels

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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: Takehiko Shimanouchi

Symmetry:   C_2ν     Symmetry Number σ = 2

Source: Shimanouchi, 1972

Notes

References

Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), 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.

Manion, 2002
Manion, J.A., Evaluated Enthalpies of Formation of the Stable Closed Shell C1 and C2 Chlorinated Hydrocarbons, J. Phys. Chem. Ref. Data, 2002, 31, 1, 123-172, https://doi.org/10.1063/1.1420703 . [all data]

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]

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]

Lake and Thompson, 1970
Lake, R.F.; Thompson, H., Photoelectron spectra of halogenated ethylenes, Proc. Roy. Soc. (London), 1970, A315, 323. [all data]

Jonathan, Ross, et al., 1970
Jonathan, N.; Ross, K.; Tomlinson, V., The photoelectron spectra of dichloroethylenes, Intern. J. Mass Spectrom. Ion Phys., 1970, 4, 51. [all data]

Walsh and Warsop, 1968
Walsh, A.D.; Warsop, P.A., Ultra-violet absorption spectrum of cis-1,2-dichloro ethylene, J. Chem. Soc. Faraday Trans., 1968, 64, 1418. [all data]

Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J., Ionization potentials of some molecules, J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]

Momigny, 1960
Momigny, J., Les potentials d'ionisation des dihalogenoethylenes cis et trans, Bull. Classe Sci. Acad. Roy. Belg., 1960, 46, 686. [all data]

Bralsford, Harris, et al., 1960
Bralsford, R.; Harris, P.V.; Price, W.C., The effect of fluorine on the electronic spectra and ionization potentials of molecules, Proc. Roy. Soc. (London), 1960, A258, 459. [all data]

Von Niessen, Asbrink, et al., 1982
Von Niessen, W.; Asbrink, L.; Bieri, G., 30.4 nm He(II) Photoelectron spectra of organic molecules. Part VI. Halogeno-compounds (C,H,X: X = Cl, Br, I), J. Electron Spectrosc. Relat. Phenom., 1982, 26, 173. [all data]

Wittel and Bock, 1974
Wittel, K.; Bock, H., Photoelektronenspekten und molekuleigenschaften. XXVII. Chlor- und bromathylene- beispiele fur anderungen in π- und σ-Systemen, Chem. Ber., 1974, 107, 317. [all data]

Momigny, 1961
Momigny, J., Comportement des dihalogenoethylenes cis et trans sous l'impact electronique, Bull. Soc. Chim. Belges, 1961, 70, 241. [all data]

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

Notes

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• Symbols used in this document:
  

  AE	Appearance energy
  IE (evaluated)	Recommended ionization energy
  ΔfH°gas	Enthalpy of formation of gas at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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