Tris(sarcosine) calcium chloride
- Formula: C9H21CaCl2N3O6
- Molecular weight: 378.264
- CAS Registry Number: 10051-96-4
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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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| S°solid,1 bar | 127.7 | cal/mol*K | N/A | Matsuo, Mansson, et al., 1979 | crystaline, I phase |
Constant pressure heat capacity of solid
| Cp,solid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 101. | 300. | Lopez, Tello, et al., 1980 | T = 50 to 330 K. Data given graphically. Value is an estimate from graph. |
| 101.6 | 298.15 | Matsuo, Mansson, et al., 1979 | crystaline, I phase; T = 13 to 300 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
Temperature of phase transition
| Ttrs (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|
| 130.27 | crystaline, II | crystaline, I | Lopez, Tello, et al., 1980 |
Enthalpy of phase transition
| ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 0.03951 | 130.27 | crystaline, II | crystaline, I | Lopez-Echarri and Tello, 1981 | Second order ferroelectric transition. |
| 0.107 | 130.8 | crystaline, II | crystaline, I | Matsuo, Mansson, et al., 1979 | Second order ferroelectric transition. S is not equal to the isothermal H/T. |
Entropy of phase transition
| ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 0.320 | 130.27 | crystaline, II | crystaline, I | Lopez-Echarri and Tello, 1981 | Second |
| 1.0 | 130.8 | crystaline, II | crystaline, I | Matsuo, Mansson, et al., 1979 | Second |
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.
Matsuo, Mansson, et al., 1979
Matsuo, T.; Mansson, M.; Sunner, S.,
Thermodynamic properties and the ferroelectric phase transition of the trisarcosine calcium chloride complex,
Acta Chem. Scand., 1979, A33, 781-787. [all data]
Lopez, Tello, et al., 1980
Lopez, E.; Tello, M.; Fernandez, J.; Perez, J.M.A.; Manas Alcon, J.,
Calorimetric study of the ferroelectric transition in TSCC,
Journ. Calorim. Anal. Therm., 1980, 11, 1-6-1/1-6-5. [all data]
Lopez-Echarri and Tello, 1981
Lopez-Echarri, A.; Tello, M.J.,
Calorimetric study of the ferroelectric trissarcosine calcium chloride in the range 50-330 K,
J. Phys. D (Appl. Phys.), 1981, 14, 71-77. [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) Ttrs Temperature of phase transition ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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