Methyl peroxide
- Formula: CH4O2
- Molecular weight: 48.0413
- IUPAC Standard InChI: InChI=1S/CH4O2/c1-3-2/h2H,1H3
- IUPAC Standard InChIKey: MEUKEBNAABNAEX-UHFFFAOYSA-N
- CAS Registry Number: 3031-73-0
- Chemical structure:
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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -31.31 | kcal/mol | Eqk | Khursan and Martem'yanov, 1991 | hf from V. P.Komissarov's report; ALS |
Constant pressure heat capacity of gas
| Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 8.561 | 50. | Dorofeeva O.V., 1997 | p=1 bar.; GT |
| 10.31 | 100. | ||
| 11.62 | 150. | ||
| 12.70 | 200. | ||
| 15.0 ± 0.7 | 298.15 | ||
| 15.03 | 300. | ||
| 17.60 | 400. | ||
| 20.02 | 500. | ||
| 22.13 | 600. | ||
| 23.941 | 700. | ||
| 25.502 | 800. | ||
| 26.855 | 900. | ||
| 28.033 | 1000. | ||
| 29.058 | 1100. | ||
| 29.955 | 1200. | ||
| 30.739 | 1300. | ||
| 31.422 | 1400. | ||
| 32.022 | 1500. |
References
Go To: Top, Gas phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Khursan and Martem'yanov, 1991
Khursan, S.L.; Martem'yanov, V.S.,
Thermochemistry of the recombination of peroxyl radicals,
Russ. J. Phys. Chem. (Engl. Transl.), 1991, 65, 321-325. [all data]
Dorofeeva O.V., 1997
Dorofeeva O.V.,
Unpublished results. Thermocenter of Russian Academy of Science, Moscow, 1997. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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