O2..O2 radical anion
- Formula: O4-
- Molecular weight: 63.9981
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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 | -20.83 ± 0.52 | kcal/mol | Ther | Hiraoka, 1888 | see also Sherwood, Hanold, et al., 1996. Aquino, Taylor, et al., 2001 calns indicate rectangular anion |
Reaction thermochemistry data
Go To: Top, Gas phase thermochemistry 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. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
O4- + +
= N2O4-
By formula: O4- + N2 + O2 = N2O4-
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 2.90 ± 0.20 | kcal/mol | TDAs | Hiraoka, 1988 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | -2.10 ± 0.50 | kcal/mol | TDAs | Hiraoka, 1988 | gas phase |
References
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Hiraoka, 1888
Hiraoka, K.,
A Determination of the Stability of O2+(O2)n and O2-(O2)n with n=1-8 from Measurements of the Gas Phase Ion Equilibria,
J. Chem. Phys., 1888, 89, 5, 3190, https://doi.org/10.1063/1.454976
. [all data]
Sherwood, Hanold, et al., 1996
Sherwood, C.R.; Hanold, K.A.; Garner, M.C.; Strong, K.M.; Continetti, R.E.,
Translational Spectroscopy Studies of the Photodissociation Dynamics of O4-,
J. Chem. Phys., 1996, 105, 24, 10803, https://doi.org/10.1063/1.472888
. [all data]
Aquino, Taylor, et al., 2001
Aquino, A.J.A.; Taylor, P.R.; Walch, S.P.,
Structure, properties, and photodissociation of O-4(-),
J. Chem. Phys., 2001, 114, 7, 3010-3017, https://doi.org/10.1063/1.1288379
. [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 thermochemistry data, Reaction thermochemistry data, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions 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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