p-Chloranil potassium
- Formula: C6Cl4KO2
- Molecular weight: 284.973
- IUPAC Standard InChI: InChI=1S/C6Cl4O2.K.H/c7-1-2(8)6(12)4(10)3(9)5(1)11;;
- IUPAC Standard InChIKey: XEGMBCABWCUDNF-UHFFFAOYSA-N
- CAS Registry Number: 21136-28-7
- Chemical structure:
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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: Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| S°solid,1 bar | 75.041 | cal/mol*K | N/A | Kosaki, Sorai, et al., 1977 | crystaline, I phase |
Constant pressure heat capacity of solid
| Cp,solid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 57.283 | 300. | Kosaki, Sorai, et al., 1977 | crystaline, I phase; T = 14 to 331 K. |
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 by: Eugene S. Domalski and Elizabeth D. Hearing
Enthalpy of phase transition
| ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 0.6683 | 260.01 | crystaline, II | crystaline, I | Kosaki, Sorai, et al., 1977 | S obtained by summation of experimental Cp/T data. |
Entropy of phase transition
| ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 2.643 | 260.01 | crystaline, II | crystaline, I | Kosaki, Sorai, et al., 1977 | S |
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.
Kosaki, Sorai, et al., 1977
Kosaki, A.; Sorai, M.; Suga, H.; Seki, S.,
Heat capacity of potassium p-chloranil anion radical salt between 13 and 330K,
Bull. Chem. Soc. Japan, 1977, 50, 810-816. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid S°solid,1 bar Entropy of solid at standard conditions (1 bar) ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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