HOO anion
- Formula: HO2-
- Molecular weight: 33.0073
- CAS Registry Number: 14691-59-9
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Gas phase ion energetics 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: John E. Bartmess
Protonation reactions
HO2- + =
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1575.3 ± 2.1 | kJ/mol | G+TS | Ramond, Blanksby, et al., 2002 | gas phase; versus HCCH |
| ΔrH° | 1572. ± 8.8 | kJ/mol | G+TS | Bierbaum, Schmidt, et al., 1981 | gas phase; value altered from reference due to change in acidity scale |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 1546.0 ± 1.7 | kJ/mol | IMRE | Ramond, Blanksby, et al., 2002 | gas phase; versus HCCH |
| ΔrG° | 1542. ± 8.4 | kJ/mol | IMRE | Bierbaum, Schmidt, et al., 1981 | gas phase; value altered from reference due to change in acidity scale |
References
Go To: Top, 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.
Ramond, Blanksby, et al., 2002
Ramond, T.M.; Blanksby, S.J.; Kato, S.; Bierbaum, V.M.; Davico, G.E.; Schwartz, R.L.; Lineberger, W.C.; Elliso,
Heat of formation of the hydroperoxyl radical HOO via negative ion studies,
J. Phys. Chem. A, 2002, 106, 42, 9641-9647, https://doi.org/10.1021/jp014614h
. [all data]
Bierbaum, Schmidt, et al., 1981
Bierbaum, V.M.; Schmidt, R.J.; DePuy, C.H.; Mead, R.H.; Schulz, P.A.; Lineberger, W.C.,
Reactions of carbanions with triplet and singlet molecular oxygen,
J. Am. Chem. Soc., 1981, 103, 6262. [all data]
Notes
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- Symbols used in this document:
ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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