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
  The 3d structure may be viewed using Java or Javascript.
• 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
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Vibrational and/or electronic energy levels
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Henry's Law data
  • UV/Visible spectrum
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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

Condensed 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
DH - Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of liquid

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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Reaction 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 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

=

By formula: C₂H₂Cl₂ = C₂H₂Cl₂

=

By formula: C₂H₂Cl₂ = C₂H₂Cl₂

=

By formula: C₂H₂Cl₂ = C₂H₂Cl₂

 +  =

By formula: C₂H₂Cl₂ + Cl₂ = C₂H₂Cl₄

=  + 

By formula: C₂H₂Cl₂ = H₂ + C₂Cl₂

=  + 

By formula: C₂H₂Cl₂ = C₂HCl + HCl

=  + 

By formula: C₂H₂Cl₂ = C₂H₂ + Cl₂

 +  =

By formula: C₂H₂Cl₂ + HCl = C₂H₃Cl₃

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

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

• Not specified, most likely a prism, grating, or hybrid spectrometer.; DIGITIZED BY NIST FROM HARD COPY; 4 cm^-1 resolution
• GAS (100 mmHg, N2 ADDED, TOTAL PRESSURE 600 mmHg); DOW KBr FOREPRISM-GRATING; DIGITIZED BY COBLENTZ SOCIETY (BATCH II) FROM HARD COPY; 2 cm^-1 resolution

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

• gas; HP-GC/MS/IRD

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

Gas Chromatography

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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

Kovats' RI, non-polar column, isothermal

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Kovats' RI, polar column, isothermal

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Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Normal alkane RI, non-polar column, isothermal

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Normal alkane RI, non-polar column, temperature ramp

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Normal alkane RI, non-polar column, custom temperature program

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Normal alkane RI, polar column, isothermal

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References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, Gas Chromatography, 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]

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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]

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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]

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Smith, L.; Bjellerup, L.; Krook, S.; Westermark, H., Heats of combustion of organic chloro compounds determined by the "quartz wool" method, Acta Chem. Scand., 1953, 7, 65. [all data]

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Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

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Mehl, W., Die spezifische Wärme einiger flüssiger Kältemittel, Z. ges. Kalte-Ind., 1934, 41, 152-153. [all data]

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CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Amaya, 1961
Amaya, K., Thermodynamical studies on bionary systems consisting of polar and non-polar liquids. II. the measurement of the heats of mixing for binary systems of polar and non-polar liquids, Bull. Chem. Soc. Jpn., 1961, 34, 1278. [all data]

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Maryott, Hobbs, et al., 1941
Maryott, A.A.; Hobbs, M.E.; Gross, P.M., Bond Moment Additivity and the Electric Moments of Some Halogenated Hydrocarbons, J. Am. Chem. Soc., 1941, 63, 659. [all data]

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Awbery, J.H.; Griffiths, E., The Viscosities of Some Liquid Refrigerants, Proc. Phys. Soc. London, 1936, 48, 372-80. [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, 2
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]

Flom, Alpert, et al., 1951
Flom, Donald G.; Alpert, Norman; Elving, Philip J., Systems Involving cis-or trans-Dichloroethylene and an Acetal or Ether, Ind. Eng. Chem., 1951, 43, 5, 1178-1181, https://doi.org/10.1021/ie50497a051 . [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]

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]

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]

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]

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

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Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, Gas Chromatography, References

• Symbols used in this document:
  

  AE	Appearance energy
  Cp,liquid	Constant pressure heat capacity of liquid
  IE (evaluated)	Recommended ionization energy
  Tboil	Boiling point
  Tfus	Fusion (melting) point
  ΔcH°liquid	Enthalpy of combustion of liquid at standard conditions
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔfH°liquid	Enthalpy of formation of liquid at standard conditions
  ΔrH°	Enthalpy of reaction 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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