- Formula: HO2
- Molecular weight: 33.0067
- IUPAC Standard InChI:
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- IUPAC Standard InChIKey: OUUQCZGPVNCOIJ-UHFFFAOYSA-N
- CAS Registry Number: 3170-83-0
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
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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
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.
By formula: O2- + H+ = HO2
|rH°||1476.9 ± 3.0||kJ/mol||D-EA||Travers, Cowles, et al., 1989||gas phase|
|rG°||1450.5 ± 3.4||kJ/mol||H-TS||Travers, Cowles, et al., 1989||gas phase|
Go To: Top, Reaction thermochemistry data, Notes
Travers, Cowles, et al., 1989
Travers, M.J.; Cowles, D.C.; Ellison, G.B., Reinvestigation of the Electron Affinities of O2 and NO, Chem. Phys. Lett., 1989, 164, 5, 449, https://doi.org/10.1016/0009-2614(89)85237-6 . [all data]
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
rG° Free energy of reaction at standard conditions rH° Enthalpy of reaction at standard conditions
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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