methan(2H)ol
- Formula: CH3DO
- Molecular weight: 33.0480
- CAS Registry Number: 1455-13-6
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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
Constant pressure heat capacity of liquid
| Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 83.0 | 298.15 | Filatov and Afanas'ev, 1992 | |
| 79.66 | 270. | Staveley and Gupta, 1949 | T = 90 to 270 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 | 173.52 | K | N/A | Staveley and Gupta, 1949 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.08 K; TRC |
Enthalpy of phase transition
| ΔHtrs (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 0.6519 | 161.1 | crystaline, II | crystaline, I | Staveley and Gupta, 1949 | DH |
| 3.038 | 173.5 | crystaline, I | liquid | Staveley and Gupta, 1949 | DH |
Entropy of phase transition
| ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 4.05 | 161.1 | crystaline, II | crystaline, I | Staveley and Gupta, 1949 | DH |
| 17.51 | 173.5 | crystaline, I | liquid | Staveley and Gupta, 1949 | 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.
Filatov and Afanas'ev, 1992
Filatov, V.A.; Afanas'ev, V.N.,
Differential heat-flux calorimeter, Izv. Vysshikh. Uchebn. Zaved.,
Khim. Khim. Tekhnol., 1992, 35(8), 97-100. [all data]
Staveley and Gupta, 1949
Staveley, L.A.K.; Gupta, A.K.,
A semi-micro low-temperature calorimeter, and a comparison of some thermodynamic properties of methyl alcohol and methyl deuteroxide,
Trans. Faraday Soc., 1949, 45, 50-61. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid 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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