Lead dicalcium propionate
- Formula: C18H30Ca2O12Pb
- Molecular weight: 725.8
- CAS Registry Number: 17203-66-6
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Condensed phase thermochemistry data
Go To: Top, Phase change data, References, Notes
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 | 983.2 | J/mol*K | N/A | Nakamura, Suga, et al., 1965 |
Constant pressure heat capacity of solid
| Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 740.6 | 298.15 | Nakamura, Suga, et al., 1965 | T = 15 to 300 K. |
Phase change data
Go To: Top, Condensed phase thermochemistry data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Ttriple | 191.5 | K | N/A | Nakamura, Suga, et al., 1965, 2 | Uncertainty assigned by TRC = 0.1 K; TRC |
Enthalpy of phase transition
| ΔHtrs (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 4.853 | 191.5 | crystaline, II | crystaline, I | Nakamura, Suga, et al., 1965 | DH |
Entropy of phase transition
| ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 24.4 | 191.5 | crystaline, II | crystaline, I | Nakamura, Suga, et al., 1965 | DH |
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.
Nakamura, Suga, et al., 1965
Nakamura, N.; Suga, H.; Chihara, H.; Seki, S.,
Phase transitions in crystalline divalent metal dicalcium propionates. I. Calorimetric and dielectric investigations of strontium and lead dicalcium propionates,
Bull. Chem. Soc. Japan, 1965, 38, 1779-1787. [all data]
Nakamura, Suga, et al., 1965, 2
Nakamura, N.; Suga, H.; Chihara, H.; Seki, S.,
Phase transitions in crystalline divalent metal dicallium propionates. I. Calorimetric and dielectric investigations of stronium and lead dicalcium propionates,
Bull. Chem. Soc. Jpn, 1965, 38, 1779. [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) Ttriple Triple point temperature ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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