Lead dicalcium propionate
- Formula: C18H30Ca2O12Pb
- Molecular weight: 725.8
- CAS Registry Number: 17203-66-6
- Information on this page:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
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 | 235.0 | cal/mol*K | N/A | Nakamura, Suga, et al., 1965 |
Constant pressure heat capacity of solid
| Cp,solid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 177.0 | 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 (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 1.160 | 191.5 | crystaline, II | crystaline, I | Nakamura, Suga, et al., 1965 | DH |
Entropy of phase transition
| ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 5.83 | 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
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.