- Formula: C2H6O2
- Molecular weight: 62.0678
- IUPAC Standard InChI:
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- IUPAC Standard InChIKey: SRXOCFMDUSFFAK-UHFFFAOYSA-N
- CAS Registry Number: 690-02-8
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
- Other names: Methyl peroxide; Dimethyl peroxide; (CH3O)2
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Gas phase thermochemistry data
Go To: Top, Mass spectrum (electron ionization), References, Notes
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
|fH°gas||-30.0||kcal/mol||Ccb||Baker, Littlefair, et al., 1965||ALS|
|cH°gas||-363.0 ± 0.3||kcal/mol||Ccb||Baker, Littlefair, et al., 1965||Corresponding «DELTA»fHºgas = -30.0 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS|
Constant pressure heat capacity of gas
|Cp,gas (cal/mol*K)||Temperature (K)||Reference||Comment|
|9.610||50.||Dorofeeva O.V., 1997||p=1 bar.; GT|
|19.3 ± 0.7||298.15|
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, References, Notes
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
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|Owner||NIST Mass Spectrometry Data Center|
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
|NIST MS number||180|
Go To: Top, Gas phase thermochemistry data, Mass spectrum (electron ionization), Notes
Baker, Littlefair, et al., 1965
Baker, G.; Littlefair, J.H.; Shaw, R.; Thynne, J.C.J., 1286. The heats of formation of dimethyl, diethyl, and di-t-butyl peroxide, J. Chem. Soc., 1965, 6970-6972. [all data]
Dorofeeva O.V., 1997
Dorofeeva O.V., Unpublished results. Thermocenter of Russian Academy of Science, Moscow, 1997. [all data]
Go To: Top, Gas phase thermochemistry data, Mass spectrum (electron ionization), References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas cH°gas Enthalpy of combustion of gas at standard conditions fH°gas Enthalpy of formation of gas at standard conditions
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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