Tetramethylammonium tetrachloroferrate (III)
- Formula: C4H12Cl4FeN
- Molecular weight: 271.802
- CAS Registry Number: 15649-95-3
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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 (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 0.1192 | 236.1 | crystaline, VI | crystaline, V | Ruiz-Larrea, Lopez-Echarri, et al., 1987 | |
| 0.6033 | 291.4 | crystaline, V | crystaline, IV | Ruiz-Larrea, Lopez-Echarri, et al., 1987 | |
| 0.1755 | 307.4 | crystaline, IV | crystaline, III | Ruiz-Larrea, Lopez-Echarri, et al., 1987 | |
| 0.1704 | 347.0 | crystaline, III | crystaline, II | Ruiz-Larrea, Lopez-Echarri, et al., 1987 | |
| 1.2714 | 381.0 | crystaline, II | crystaline, I | Ruiz-Larrea, Lopez-Echarri, et al., 1987 |
Entropy of phase transition
| ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 0.473 | 236.1 | crystaline, VI | crystaline, V | Ruiz-Larrea, Lopez-Echarri, et al., 1987 | |
| 2.56 | 291.4 | crystaline, V | crystaline, IV | Ruiz-Larrea, Lopez-Echarri, et al., 1987 | |
| 0.569 | 307.4 | crystaline, IV | crystaline, III | Ruiz-Larrea, Lopez-Echarri, et al., 1987 | |
| 0.490 | 347.0 | crystaline, III | crystaline, II | Ruiz-Larrea, Lopez-Echarri, et al., 1987 | |
| 3.35 | 381.0 | crystaline, II | crystaline, I | Ruiz-Larrea, Lopez-Echarri, et al., 1987 |
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.
Ruiz-Larrea, Lopez-Echarri, et al., 1987
Ruiz-Larrea, I.; Lopez-Echarri, A.; Tello, M.J.,
Phase transition sequence in N(CH3)4FeCl4,
Solid State Commun., 1987, 64(8), 1099-1101. [all data]
Notes
Go To: Top, Phase change data, References
- 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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