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 | -32.44 | kcal/mol | Ther | Arnold, Xu, et al., 1995 | Vertical Detachment Energy: 1.45 eV. Affinity is difference between EA of O-. and HOH..O-. |
Reaction 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
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Individual Reactions
H2O2- + 2 = H4O3-
By formula: H2O2- + 2H2O = H4O3-
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 18.4 ± 1.8 | kcal/mol | LPES | Clements, Luong, et al., 2001 | gas phase |
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-. |
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, Reaction thermochemistry data, Gas phase ion energetics 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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