methanediol
- Formula: CH4O2
- Molecular weight: 48.0413
- CAS Registry Number: 463-57-0
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Gas 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: Glushko Thermocenter, Russian Academy of Sciences, Moscow
Constant pressure heat capacity of gas
| Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 52.71 | 273.16 | Rodler M., 1986 | These values were obtained using molecular parameters determined by ab initio calculation. From comparison with estimations by difference method [ Dorofeeva O.V., 1997], one may expect that entropy values are underestimated by 15-30 J/mol*K. |
| 55.87 | 298.16 | ||
| 59.12 | 323.16 | ||
| 62.36 | 348.16 | ||
| 65.52 | 373.16 | ||
| 68.59 | 398.16 |
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.
Rodler M., 1986
Rodler M.,
Ab initio studies of the structures and energies of methanediol and 1,1-ethenediol,
Chem. Phys., 1986, 105, 345-353. [all data]
Dorofeeva O.V., 1997
Dorofeeva O.V.,
Unpublished results. Thermocenter of Russian Academy of Science, Moscow, 1997. [all data]
Notes
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- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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