ethyl hydroperoxide
- Formula: C2H6O2
- Molecular weight: 62.0678
- IUPAC Standard InChIKey: ILHIHKRJJMKBEE-UHFFFAOYSA-N
- CAS Registry Number: 3031-74-1
- Chemical structure:
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Condensed phase thermochemistry data
Go To: Top, Phase change data, 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔcH°liquid | -335.17 ± 0.20 | kcal/mol | Ccb | Stathis and Egerton, 1940 | Corresponding ΔfHºliquid = -57.88 kcal/mol (simple calculation by NIST; no Washburn corrections) |
Phase change data
Go To: Top, Condensed phase thermochemistry data, 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:
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
15.3 | 268. | A | Stephenson and Malanowski, 1987 | Based on data from 253. to 363. K. See also Egerton, Emte, et al., 1951 and Dykyj, 1970.; AC |
10.190 | 253. | V | Egerton, Emte, et al., 1951 | ALS |
Gas phase ion energetics data
Go To: Top, Condensed phase thermochemistry data, 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 as indicated in comments:
B - John E. Bartmess
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
View reactions leading to C2H6O2+ (ion structure unspecified)
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
CH3O2+ | 11.4 | CH3 | EI | Holmes, Mommers, et al., 1985 | LBLHLM |
De-protonation reactions
C2H5O2- + =
By formula: C2H5O2- + H+ = C2H6O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 370.9 ± 2.1 | kcal/mol | G+TS | Blanksby, Ramond, et al., 2001 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 363.9 ± 2.0 | kcal/mol | IMRE | Blanksby, Ramond, et al., 2001 | gas phase; B |
References
Go To: Top, Condensed phase thermochemistry data, 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.
Stathis and Egerton, 1940
Stathis, E.C.; Egerton, A.C.,
Note on heats of formation of ethyl and propyl peroxides,
Trans. Faraday Soc., 1940, 36, 606. [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]
Dykyj, 1970
Dykyj, J.,
Petrochemica, 1970, 10, 2, 51. [all data]
Holmes, Mommers, et al., 1985
Holmes, J.; Mommers, A.; DeKoster, C.; Heerma, W.; Terlouw, J.,
Four isomeric [C,H3,O2] ions,
Chem. Phys. Lett., 1985, 115, 437. [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, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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