Lead(II) undecanoate
- Formula: C22H42O4Pb
- Molecular weight: 577.8
- IUPAC Standard InChI: InChI=1S/2C11H22O2.Pb/c2*1-2-3-4-5-6-7-8-9-10-11(12)13;/h2*2-10H2,1H3,(H,12,13);/q;;+2/p-2
- IUPAC Standard InChIKey: RMVXOTLALVBONM-UHFFFAOYSA-L
- CAS Registry Number: 63400-07-7
- Chemical structure:
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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
Constant pressure heat capacity of solid
| Cp,solid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 214. | 365. | Adeosun and Sime, 1978 | crystaline, II phase; T = 363 to 371 K. Data only graphically for c,III. Data also for c,I, and liquid. |
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 |
|---|---|---|---|---|---|
| Tfus | 383.7 | K | N/A | Adeosun and Sime, 1978, 2 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.1 K; TRC |
Enthalpy of phase transition
| ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 12.118 | 360.9 | crystaline, III | crystaline, II | Adeosun and Sime, 1978 | c,II and c,I, are mesophases.; DH |
| 6.5727 | 377.0 | crystaline, II | crystaline, I | Adeosun and Sime, 1978 | DH |
| 0.2629 | 383.7 | crystaline, I | liquid | Adeosun and Sime, 1978 | DH |
Entropy of phase transition
| ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 33.5 | 360.9 | crystaline, III | crystaline, II | Adeosun and Sime, 1978 | c,II; DH |
| 17. | 377.0 | crystaline, II | crystaline, I | Adeosun and Sime, 1978 | DH |
| 0.69 | 383.7 | crystaline, I | liquid | Adeosun and Sime, 1978 | 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.
Adeosun and Sime, 1978
Adeosun, S.O.; Sime, S.J.,
The properties of molten carboxylates: Part 7. Odd-even variations in melting and mesophase formation in the lead(II) carboxylates,
J. Thermal Anal., 1978, 27, 319-327. [all data]
Adeosun and Sime, 1978, 2
Adeosun, S.O.; Sime, S.J.,
The properties of molten carboxylates: Part 7. Odd-even variations in melting and mesophase formation in the lead(II) carboxylates,
Thermochim. Acta, 1978, 27, 319-27. [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 Tfus Fusion (melting) point ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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