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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Phase change data
Go To: Top, Gas phase ion energetics 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔvapH° | 35. | kJ/mol | V | Blat, Gerber, et al., 1939 | ALS |
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 37.7 | 268. | A | Stephenson and Malanowski, 1987 | Based on data from 253. to 313. K. See also Egerton, Emte, et al., 1951.; AC |
Gas phase ion energetics 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: John E. Bartmess
De-protonation reactions
CH3O2- + =
By formula: CH3O2- + H+ = CH4O2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1567.5 ± 3.2 | kJ/mol | G+TS | Blanksby, Ramond, et al., 2001 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 1538.0 ± 2.9 | kJ/mol | IMRE | Blanksby, Ramond, et al., 2001 | gas phase |
References
Go To: Top, Phase change data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Blat, Gerber, et al., 1939
Blat, E.J.; Gerber, M.J.; Neumann, M.B.,
The influence of organic peroxides on the cool flame of butane,
Acta Physicochim. U.R.S.S., 1939, 10, 273-296. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Egerton, Emte, et al., 1951
Egerton, A.C.; Emte, W.; Minkoff, G.J.,
Some properties of organic peroxides,
Faraday Discuss. Chem. Soc., 1951, 10, 278. [all data]
Blanksby, Ramond, et al., 2001
Blanksby, S.J.; Ramond, T.M.; Davico, G.E.; Nimlos, M.R.; Kato, S.; Bierbaum, V.M.; Lineberger, W.C.; Ellison,
Negative-ion photoelectron spectroscopy, gas-phase acidity, and thermochemistry of the peroxyl radicals CH3OO and CH3CH2OO,
J. Am. Chem. Soc., 2001, 123, 39, 9585-9596, https://doi.org/10.1021/ja010942j
. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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