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

• 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-OWOJBTEDSA-N Copy
• CAS Registry Number: 156-60-5
• 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:
  • Ethylene, 1,2-dichloro-, (Z)-
  • 1,2-Dichloroethylene
• Other names: Ethene, 1,2-dichloro-, (E)-; (E)-1,2-Dichloroethylene; trans-Di-1,2-Chloroethylene; trans-1,2-Dichloroethene; trans-1,2-Dichloroethylene; (E)-CHCl=CHCl; 1,2-trans-Dichloroethene; (E)-1,2-Dichloroethene; 1,2-trans-Dichloroethylene; trans-Acetylene dichloride; trans-Dichloroethylene; Dichloroethylene, trans-; 1,trans-2-Dichloroethene; Rcra waste number U079; Ethene, 1,2-dichloro-, (1E)-; Ethylene, 1,2-dichloro-, trans-; HCC 1130t; NSC 60512; R 1130t
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• Information on this page:
  • Gas phase thermochemistry data
  • Phase change data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Reaction thermochemistry data
  • Henry's Law data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
  • Vibrational and/or electronic energy levels
  • Gas Chromatography
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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

Phase change 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of vaporization

Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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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

References

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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]

Broers, Ketelaar, et al., 1950
Broers, G.H.J.; Ketelaar, J.A.A.; Van Velden, P.F., Melting-point Diagram and Hets of Fusion of cis- and trans-1,2-Dichloro-ethene, Recl. Trav. Chim. Pays-Bas, 1950, 69, 1122. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic, London, 1970, 636. [all data]

Ketelaar, Van Velden, et al., 1947
Ketelaar, J.A.A.; Van Velden, P.F.; Zalm, P., Vapour pressures and heats of vaporization of cis- and trans-1,2-dichloroethene, Rec. Trav. Chim. Pays/Bas, 1947, 66, 27. [all data]

Ketelaar, van Velden, et al., 2010
Ketelaar, J.A.A.; van Velden, P.F.; Zalm, P., Vapour pressures and heats of vaporization of cis- and trans-1,2-dichloroethene, Recl. Trav. Chim. Pays-Bas, 2010, 66, 12, 721-732, https://doi.org/10.1002/recl.19470661202 . [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Dykyj, 1970
Dykyj, J., Petrochemica, 1970, 10, 2, 51. [all data]

Machat, 1983
Machat, V., , Thesis, Utzcht, Prague, 1983. [all data]

Ketelaar, van Velden, et al., 1947
Ketelaar, J.A.A.; van Velden, P.F.; Zalm, P., Vapour Pressures and Heats of Vaporization of cis- and trans-1,2-Dichloroethene, Recl. Trav. Chim. Pays-Bas, 1947, 66, 12, 721-732, https://doi.org/10.1002/recl.19470661202 . [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, 1967
Walsh, A.D.; Warsop, P.A., Ultra-violet absorption of trans-dichloro ethylene, J. Chem. Soc. Faraday Trans., 1967, 63, 524. [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]

Katrib, Debies, et al., 1973
Katrib, A.; Debies, T.P.; Colton, R.J.; Lee, T.H.; Rabalais, J.W., The use of differential photoionization cross sections as a function of excitation energy in assigning photoelectron spectra, Chem. Phys. Lett., 1973, 22, 196. [all data]

Bock and Wittel, 1972
Bock, H.; Wittel, K., Photoelectron spectra and molecular properties of trans-dihalogenoethylenes: substituent effects spin-orbit coupling, J. Chem. Soc., Chem. Commun., 1972, 602. [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]

Notes

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• Symbols used in this document:
  

  AE	Appearance energy
  IE (evaluated)	Recommended ionization energy
  Tboil	Boiling point
  Tfus	Fusion (melting) point
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions

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