Thiourea 1,1,2,2-tetrachloroethane clathrate
- Formula: C3H12N6S3·C2H2Cl4
- Molecular weight: 396.212
- CAS Registry Number: 145195-87-5
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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 | 136.40 | cal/mol*K | N/A | Sekii, Matsuo, et al., 1992 |
Constant pressure heat capacity of solid
| Cp,solid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 98.963 | 298.15 | Sekii, Matsuo, et al., 1992 | T = 13 to 330 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 |
|---|---|---|---|---|---|
| 1.420 | 224. | crystaline, III | crystaline, II | Sekii, Matsuo, et al., 1992 | |
| 0.6587 | 248. | crystaline, II | crystaline, I | Sekii, Matsuo, et al., 1992 |
Entropy of phase transition
| ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 6.72 | 224. | crystaline, III | crystaline, II | Sekii, Matsuo, et al., 1992 | |
| 2.70 | 248. | crystaline, II | crystaline, I | Sekii, Matsuo, et al., 1992 |
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.
Sekii, Matsuo, et al., 1992
Sekii, M.; Matsuo, T.; Suga, H.,
Calorimetric study of phase transitions in the thiourea 1,1,2,2-tetrachloroethane clathrate compound,
J. Therm. Anal., 1992, 38(8), 1861-1872. [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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