Thallium tetradecanoate
- Formula: C14H27O2Tl
- Molecular weight: 431.7463
- CAS Registry Number: 18993-53-8
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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 (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 15.099 | 318.2 | crystaline, III | crystaline, II | Ngeyi and Westrum, 1987 | |
| 2.877 | 378.0 | crystaline, II | crystaline, I | Ngeyi and Westrum, 1987 | |
| 6.269 | 396.3 | crystaline, I | liquid | Ngeyi and Westrum, 1987 | |
| 1.671 | 460.7 | liquid | liquid | Ngeyi and Westrum, 1987 | |
| 11.715 | 313. | crystaline, III | Meisel, Seybold, et al., 1976 | ||
| 3.138 | 371. | crystaline, II | crystaline, I | Meisel, Seybold, et al., 1976 | |
| 5.439 | 393. | crystaline, I | liquid | Meisel, Seybold, et al., 1976 | |
| 1.632 | 460. | liquid | liquid | Meisel, Seybold, et al., 1976 |
Entropy of phase transition
| ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 47.39 | 318.2 | crystaline, III | crystaline, II | Ngeyi and Westrum, 1987 | |
| 7.65 | 378.0 | crystaline, II | crystaline, I | Ngeyi and Westrum, 1987 | |
| 15.80 | 396.3 | crystaline, I, Solid | liquid, mesophase | Ngeyi and Westrum, 1987 | |
| 3.66 | 460.7 | liquid, Mesophase | liquid, isotropic | Ngeyi and Westrum, 1987 | |
| 37.2 | 313. | crystaline, III | Meisel, Seybold, et al., 1976 | ||
| 8.37 | 371. | crystaline, II | crystaline, I | Meisel, Seybold, et al., 1976 | |
| 13.4 | 393. | crystaline, I, Solid | liquid, mesophase | Meisel, Seybold, et al., 1976 | |
| 3.56 | 460. | liquid, Mesophase | liquid, isotropic | Meisel, Seybold, et al., 1976 |
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.
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
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- Symbols used in this document:
ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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