2,5-Cyclohexadiene-1,4-dione, 2,5-dichloro-

• Formula: C₆H₂Cl₂O₂
• Molecular weight: 176.985
• IUPAC Standard InChI: InChI=1S/C6H2Cl2O2/c7-3-1-5(9)4(8)2-6(3)10/h1-2H Copy

  
• IUPAC Standard InChIKey: LNXVNZRYYHFMEY-UHFFFAOYSA-N Copy
• CAS Registry Number: 615-93-0
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: p-Benzoquinone, 2,5-dichloro-; 2,5-Dichloro-p-benzoquinone; 2,5-Dichloro-1,4-benzoquinone; 2,5-Dichloro-2,5-cyclohexa-diene-1,4-dione; 2,5-Dichoro-p-benzoquinone; 2,5-Dichlorobenzoquinone
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• Information on this page:
  • Condensed phase thermochemistry data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
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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 by: 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 compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
B - John E. Bartmess

Electron affinity determinations

Ionization 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.

Sjostrom, 1936
Sjostrom, Av.G., De klorsubstituerade kinonernas och hydrokinonernas termokemi, Svensk. Kim. Tidr., 1936, 48, 121-124. [all data]

Smith, Bjellerup, et al., 1953
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]

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

Heinis, Chowdhury, et al., 1988
Heinis, T.; Chowdhury, S.; Scott, S.L.; Kebarle, P., Electron Affinities of Benzo-, Naphtho-, and Anthraquinones Determined from Gas-Phase Equilibria Measurements, J. Am. Chem. Soc., 1988, 110, 2, 400, https://doi.org/10.1021/ja00210a015 . [all data]

Fukuda and McIver, 1985
Fukuda, E.K.; McIver, R.T., Jr., Relative electron affinities of substituted benzophenones, nitrobenzenes, and quinones. [Anchored to EA(SO₂) from 74CEL/BEN], J. Am. Chem. Soc., 1985, 107, 2291. [all data]

Kotov and Potapov, 1972
Kotov, B.V.; Potapov, V.K., Ionization potentials of strong organic electron acceptors, Khim. Vys. Energ., 1972, 6, 375. [all data]

Notes

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• Symbols used in this document:
  

  EA	Electron affinity
  ΔcH°solid	Enthalpy of combustion of solid at standard conditions
  ΔfH°solid	Enthalpy of formation of solid at standard conditions

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