O2..O2 radical anion
- Formula: O4-
- Molecular weight: 63.9981
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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
Electron affinity of neutral species
| EAneutral (eV) | Method | Reference | Comment |
|---|---|---|---|
| <1.90 ± 0.20 | PD | Burt, 1972 |
Ion clustering data
Go To: Top, 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: 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
O4- + +
= N2O4-
By formula: O4- + N2 + O2 = N2O4-
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 12.1 ± 0.84 | kJ/mol | TDAs | Hiraoka, 1988 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | -8.8 ± 2.1 | kJ/mol | TDAs | Hiraoka, 1988 | gas phase |
References
Go To: Top, Gas phase ion energetics data, Ion clustering data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Burt, 1972
Burt, J.A.,
Measurement of the photodetachment cross section for O4- at high pressure,
J. Geophys. Res., 1972, 77, 6280. [all data]
Hiraoka, 1988
Hiraoka, K.,
Determination of the Stabilities of O3-(N2)n, O3-(O2)n, and O4-(N2)n from Measurements of the Gas Phase Equilibria,
Chem. Phys., 1988, 125, 2-3, 439, https://doi.org/10.1016/0301-0104(88)87096-4
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Ion clustering data, References
- Symbols used in this document:
EAneutral Electron affinity of neutral species 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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