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
- IUPAC Standard InChIKey: LNXVNZRYYHFMEY-UHFFFAOYSA-N
- 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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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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°solid | -255. | kJ/mol | Ccb | Sjostrom, 1936 | At 318 K |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -2448.9 ± 8.4 | kJ/mol | Ccb | Smith, Bjellerup, et al., 1953 | Reanalyzed by Cox and Pilcher, 1970, Original value = -2451.1 ± 5.9 kJ/mol |
| ΔcH°solid | -2443. | kJ/mol | Ccb | Sjostrom, 1936 | At 318 K |
References
Go To: Top, Condensed phase thermochemistry data, Notes
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]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
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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