H2O..O radical anion
- Formula: H2O2-
- Molecular weight: 34.0152
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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 by: John E. Bartmess
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -135.7 | kJ/mol | Ther | Arnold, Xu, et al., 1995 | Vertical Detachment Energy: 1.45 eV. Affinity is difference between EA of O-. and HOH..O-. |
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
Electron affinity of neutral species
EAneutral (eV) | Method | Reference | Comment |
---|---|---|---|
2.607 ± 0.050 | LPES | Arnold, Xu, et al., 1995 | Vertical Detachment Energy: 1.45 eV. Affinity is difference between EA of O-. and HOH..O-. |
Ion clustering 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
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering reactions
H2O2- + 2 = H4O3-
By formula: H2O2- + 2H2O = H4O3-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 77.0 ± 7.5 | kJ/mol | LPES | Clements, Luong, et al., 2001 | gas phase |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Arnold, Xu, et al., 1995
Arnold, D.W.; Xu, C.S.; Neumark, D.M.,
Spectroscopy of the transition state: Elementary reactions of the hydroxyl radical studied by photoelectron spectroscopy of O-(H2O) and H3O2,
J. Chem. Phys., 1995, 102, 15, 6088, https://doi.org/10.1063/1.469343
. [all data]
Clements, Luong, et al., 2001
Clements, T.G.; Luong, A.K.; Deyerl, H.J.; Continetti, R.E.,
Dissociative photodetachment studies of O-(H2O)(2), OH- (H2O)(2), and the deuterated isotopomers: Energetics and three- body dissociation dynamics,
J. Chem. Phys., 2001, 114, 19, 8436-8444, https://doi.org/10.1063/1.1366332
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Ion clustering data, References
- Symbols used in this document:
EAneutral Electron affinity of neutral species ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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