Thallium tetradecanoate
- Formula: C14H27O2Tl
- Molecular weight: 431.7463
- CAS Registry Number: 18993-53-8
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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 | 113.25 | cal/mol*K | N/A | Ngeyi and Westrum, 1987 |
Constant pressure heat capacity of solid
| Cp,solid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 104.74 | 298.15 | Ngeyi and Westrum, 1987 | T = 10 to 460 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 |
|---|---|---|---|---|---|
| 3.6087 | 318.2 | crystaline, III | crystaline, II | Ngeyi and Westrum, 1987 | |
| 0.6876 | 378.0 | crystaline, II | crystaline, I | Ngeyi and Westrum, 1987 | |
| 1.498 | 396.3 | crystaline, I | liquid | Ngeyi and Westrum, 1987 | |
| 0.3994 | 460.7 | liquid | liquid | Ngeyi and Westrum, 1987 | |
| 2.8000 | 313. | crystaline, III | Meisel, Seybold, et al., 1976 | ||
| 0.7500 | 371. | crystaline, II | crystaline, I | Meisel, Seybold, et al., 1976 | |
| 1.300 | 393. | crystaline, I | liquid | Meisel, Seybold, et al., 1976 | |
| 0.3901 | 460. | liquid | liquid | Meisel, Seybold, et al., 1976 |
Entropy of phase transition
| ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 11.33 | 318.2 | crystaline, III | crystaline, II | Ngeyi and Westrum, 1987 | |
| 1.83 | 378.0 | crystaline, II | crystaline, I | Ngeyi and Westrum, 1987 | |
| 3.776 | 396.3 | crystaline, I, Solid | liquid, mesophase | Ngeyi and Westrum, 1987 | |
| 0.875 | 460.7 | liquid, Mesophase | liquid, isotropic | Ngeyi and Westrum, 1987 | |
| 8.89 | 313. | crystaline, III | Meisel, Seybold, et al., 1976 | ||
| 2.00 | 371. | crystaline, II | crystaline, I | Meisel, Seybold, et al., 1976 | |
| 3.20 | 393. | crystaline, I, Solid | liquid, mesophase | Meisel, Seybold, et al., 1976 | |
| 0.851 | 460. | liquid, Mesophase | liquid, isotropic | Meisel, Seybold, et al., 1976 |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Ngeyi and Westrum, 1987
Ngeyi, S.P.; Westrum, E.F.,
Jr., Lopez de la Fuente, F.L., Cheda, T.A.R., and Fernandez-Martin, F., Thermodynamics of thallium alkonates. III. Heat capacity and thermodynamic functions of thallium(I) n-tetradecanoate from 7 to 450 K,
J. Chem. Thermodynam., 1987, 19, 327-335. [all data]
Meisel, Seybold, et al., 1976
Meisel, T.; Seybold, K.; Halmos, Z.; Roth, J.; Melykuti, C.,
Thermal behavior of thallium(I) fatty acid salts. I,
J. Therm. Anal., 1976, 10, 419-431. [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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