HO2+
- Formula: HO2+
- Molecular weight: 33.0062
- CAS Registry Number: 71722-67-3
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Reaction thermochemistry data
Go To: Top, Ion clustering data, Vibrational and/or electronic energy levels, 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: Michael M. Meot-Ner (Mautner) and Sharon G. Lias
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
By formula: (HO2+ • 2O2) + O2 = (HO2+ • 3O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.7 ± 0.3 | kcal/mol | PHPMS | Hiraoka and Mori, 1989 | gas phase |
ΔrH° | 3.2 | kcal/mol | PHPMS | Hiraoka, Saluja, et al., 1979 | gas phase; Entropy change calculated or estimated |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 18.3 | cal/mol*K | PHPMS | Hiraoka and Mori, 1989 | gas phase |
ΔrS° | 20. | cal/mol*K | N/A | Hiraoka, Saluja, et al., 1979 | gas phase; Entropy change calculated or estimated |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
1.1 | 105. | PHPMS | Hiraoka, Saluja, et al., 1979 | gas phase; Entropy change calculated or estimated |
By formula: (HO2+ • O2) + O2 = (HO2+ • 2O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.9 ± 0.3 | kcal/mol | PHPMS | Hiraoka and Mori, 1989 | gas phase |
ΔrH° | 6.6 | kcal/mol | PHPMS | Hiraoka, Saluja, et al., 1979 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23.1 | cal/mol*K | PHPMS | Hiraoka and Mori, 1989 | gas phase |
ΔrS° | 22. | cal/mol*K | PHPMS | Hiraoka, Saluja, et al., 1979 | gas phase |
By formula: (HO2+ • 3O2) + O2 = (HO2+ • 4O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.5 ± 0.3 | kcal/mol | PHPMS | Hiraoka and Mori, 1989 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.1 | cal/mol*K | PHPMS | Hiraoka and Mori, 1989 | gas phase |
By formula: (HO2+ • 4O2) + O2 = (HO2+ • 5O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.2 ± 0.3 | kcal/mol | PHPMS | Hiraoka and Mori, 1989 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.9 | cal/mol*K | PHPMS | Hiraoka and Mori, 1989 | gas phase |
By formula: (HO2+ • 5O2) + O2 = (HO2+ • 6O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.0 ± 0.3 | kcal/mol | PHPMS | Hiraoka and Mori, 1989 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22.3 | cal/mol*K | PHPMS | Hiraoka and Mori, 1989 | gas phase |
By formula: (HO2+ • 6O2) + O2 = (HO2+ • 7O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.0 ± 0.3 | kcal/mol | PHPMS | Hiraoka and Mori, 1989 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22.5 | cal/mol*K | PHPMS | Hiraoka and Mori, 1989 | gas phase |
By formula: (HO2+ • 7O2) + O2 = (HO2+ • 8O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1.8 ± 0.3 | kcal/mol | PHPMS | Hiraoka and Mori, 1989 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.1 | cal/mol*K | PHPMS | Hiraoka and Mori, 1989 | gas phase |
By formula: (HO2+ • 8O2) + O2 = (HO2+ • 9O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1.7 ± 0.3 | kcal/mol | PHPMS | Hiraoka and Mori, 1989 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 20.6 | cal/mol*K | PHPMS | Hiraoka and Mori, 1989 | gas phase |
By formula: (HO2+ • O2) + H2 = (HO2+ • H2 • O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.0 | kcal/mol | PHPMS | Hiraoka, Saluja, et al., 1979 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 17. | cal/mol*K | PHPMS | Hiraoka, Saluja, et al., 1979 | gas phase |
By formula: HO2+ + H2 = (HO2+ • H2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 12.5 | kcal/mol | PHPMS | Hiraoka, Saluja, et al., 1979 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22. | cal/mol*K | PHPMS | Hiraoka, Saluja, et al., 1979 | gas phase |
By formula: HO2+ + O2 = (HO2+ • O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20.0 | kcal/mol | PHPMS | Hiraoka, Saluja, et al., 1979 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 27. | cal/mol*K | PHPMS | Hiraoka, Saluja, et al., 1979 | gas phase |
Ion clustering data
Go To: Top, Reaction thermochemistry data, Vibrational and/or electronic energy levels, 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: Michael M. Meot-Ner (Mautner) and Sharon G. Lias
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
By formula: HO2+ + H2 = (HO2+ • H2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 12.5 | kcal/mol | PHPMS | Hiraoka, Saluja, et al., 1979 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22. | cal/mol*K | PHPMS | Hiraoka, Saluja, et al., 1979 | gas phase |
By formula: HO2+ + O2 = (HO2+ • O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20.0 | kcal/mol | PHPMS | Hiraoka, Saluja, et al., 1979 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 27. | cal/mol*K | PHPMS | Hiraoka, Saluja, et al., 1979 | gas phase |
By formula: (HO2+ • O2) + H2 = (HO2+ • H2 • O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.0 | kcal/mol | PHPMS | Hiraoka, Saluja, et al., 1979 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 17. | cal/mol*K | PHPMS | Hiraoka, Saluja, et al., 1979 | gas phase |
By formula: (HO2+ • O2) + O2 = (HO2+ • 2O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.9 ± 0.3 | kcal/mol | PHPMS | Hiraoka and Mori, 1989 | gas phase |
ΔrH° | 6.6 | kcal/mol | PHPMS | Hiraoka, Saluja, et al., 1979 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23.1 | cal/mol*K | PHPMS | Hiraoka and Mori, 1989 | gas phase |
ΔrS° | 22. | cal/mol*K | PHPMS | Hiraoka, Saluja, et al., 1979 | gas phase |
By formula: (HO2+ • 2O2) + O2 = (HO2+ • 3O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.7 ± 0.3 | kcal/mol | PHPMS | Hiraoka and Mori, 1989 | gas phase |
ΔrH° | 3.2 | kcal/mol | PHPMS | Hiraoka, Saluja, et al., 1979 | gas phase; Entropy change calculated or estimated |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 18.3 | cal/mol*K | PHPMS | Hiraoka and Mori, 1989 | gas phase |
ΔrS° | 20. | cal/mol*K | N/A | Hiraoka, Saluja, et al., 1979 | gas phase; Entropy change calculated or estimated |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
1.1 | 105. | PHPMS | Hiraoka, Saluja, et al., 1979 | gas phase; Entropy change calculated or estimated |
By formula: (HO2+ • 3O2) + O2 = (HO2+ • 4O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.5 ± 0.3 | kcal/mol | PHPMS | Hiraoka and Mori, 1989 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.1 | cal/mol*K | PHPMS | Hiraoka and Mori, 1989 | gas phase |
By formula: (HO2+ • 4O2) + O2 = (HO2+ • 5O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.2 ± 0.3 | kcal/mol | PHPMS | Hiraoka and Mori, 1989 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.9 | cal/mol*K | PHPMS | Hiraoka and Mori, 1989 | gas phase |
By formula: (HO2+ • 5O2) + O2 = (HO2+ • 6O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.0 ± 0.3 | kcal/mol | PHPMS | Hiraoka and Mori, 1989 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22.3 | cal/mol*K | PHPMS | Hiraoka and Mori, 1989 | gas phase |
By formula: (HO2+ • 6O2) + O2 = (HO2+ • 7O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.0 ± 0.3 | kcal/mol | PHPMS | Hiraoka and Mori, 1989 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22.5 | cal/mol*K | PHPMS | Hiraoka and Mori, 1989 | gas phase |
By formula: (HO2+ • 7O2) + O2 = (HO2+ • 8O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1.8 ± 0.3 | kcal/mol | PHPMS | Hiraoka and Mori, 1989 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.1 | cal/mol*K | PHPMS | Hiraoka and Mori, 1989 | gas phase |
By formula: (HO2+ • 8O2) + O2 = (HO2+ • 9O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1.7 ± 0.3 | kcal/mol | PHPMS | Hiraoka and Mori, 1989 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 20.6 | cal/mol*K | PHPMS | Hiraoka and Mori, 1989 | gas phase |
Vibrational and/or electronic energy levels
Go To: Top, Reaction thermochemistry data, Ion clustering 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: Marilyn E. Jacox
State: X
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
a' | 1 | OH stretch | 2905.3 | H | gas | PF | Nizkorodov, Roth, et al., 1997 |
1 | OH stretch | 2760.8 | gas | PF | Nizkorodov, Roth, et al., 1997 | ||
2 | Bend | 1026.5 | T | Ne | IR | Jacox and Thompson | |
Additional references: Jacox, 1994, page 47
Notes
H | (1/2)(2ν) |
T | Tentative assignment or approximate value |
References
Go To: Top, Reaction thermochemistry data, Ion clustering data, Vibrational and/or electronic energy levels, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Hiraoka and Mori, 1989
Hiraoka, K.; Mori, T.,
Gas Phase Stabilities of the Cluster Ions H+(CO)2(CO)n, H+(N2)2(N2)n and H+(O2)2(O2)n with n = 1 - 14,
Chem. Phys., 1989, 137, 1-3, 345, https://doi.org/10.1016/0301-0104(89)87119-8
. [all data]
Hiraoka, Saluja, et al., 1979
Hiraoka, K.; Saluja, P.P.S.; Kebarle, P.,
Stabilities of Complexes (N2)nH+, (CO)nH+ and (O2)nH+ for n = 1 to 7 Based on Gas Phase Ion Equilibrium Measurements,
Can. J. Chem., 1979, 57, 16, 2159, https://doi.org/10.1139/v79-346
. [all data]
Nizkorodov, Roth, et al., 1997
Nizkorodov, S.A.; Roth, D.; Olkhov, R.V.; Maier, J.P.; Dopfer, O.,
Infrared predissociation spectra of HeHO2+ and NeHO2+: prediction of thegn1 frequency of HO2+,
Chem. Phys. Lett., 1997, 278, 1-3, 26, https://doi.org/10.1016/S0009-2614(97)01003-8
. [all data]
Jacox and Thompson
Jacox, M.E.; Thompson, W.E.,
J. Phys. Chem. A 117. [all data]
Jacox, 1994
Jacox, M.E.,
Vibrational and electronic energy levels of polyatomic transient molecules, American Chemical Society, Washington, DC, 1994, 464. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Ion clustering data, Vibrational and/or electronic energy levels, References
- Symbols used in this document:
T Temperature ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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