Bis(methylammonium) hexachlorotellurate
- Formula: C2H12Cl6N2Te
- Molecular weight: 404.45
- CAS Registry Number: 40937-40-4
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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
Constant pressure heat capacity of solid
| Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 314.9 | 298.21 | Onoda, Matsuo, et al., 1988 | T = 13 to 300 K. Unsmoothed experimental datum. |
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 |
|---|---|---|---|---|---|
| 0.470 | 73.0 | crystaline, VI | crystaline, V | Onoda, Matsuo, et al., 1988 | |
| 1.810 | 136.8 | crystaline, V | crystaline, IV | Onoda, Matsuo, et al., 1988 | Lambda type transition. |
| 0.390 | 155. | crystaline, IV | crystaline, III | Onoda, Matsuo, et al., 1988 | |
| 0.330 | 226.0 | crystaline, III | crystaline, II | Onoda, Matsuo, et al., 1988 | |
| 4.400 | 439. | crystaline, II | crystaline, I | Onoda, Matsuo, et al., 1988 |
Entropy of phase transition
| ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 6.4 | 73.0 | crystaline, VI | crystaline, V | Onoda, Matsuo, et al., 1988 | |
| 14.9 | 136.8 | crystaline, V | crystaline, IV | Onoda, Matsuo, et al., 1988 | Lambda |
| 2.5 | 155. | crystaline, IV | crystaline, III | Onoda, Matsuo, et al., 1988 | |
| 1.7 | 226.0 | crystaline, III | crystaline, II | Onoda, Matsuo, et al., 1988 | |
| 9.8 | 439. | crystaline, II | crystaline, I | Onoda, Matsuo, et al., 1988 |
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.
Onoda, Matsuo, et al., 1988
Onoda, N.; Matsuo, T.; Suga, H.,
Calorimetric study of order-disorder and martensitic phase transitions in methylammonium hexachlorotellurate,
Phil. Mag., 1988, A 57, 245-260. [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 ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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