HO2+

• Formula: HO₂⁺
• Molecular weight: 33.0062
• CAS Registry Number: 71722-67-3
• Information on this page:
  • Reaction thermochemistry data
  • Vibrational and/or electronic energy levels
  • References
  • Notes
• Other data available:
  • Ion clustering data
• Options:
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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: 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

(HO₂⁺ • 2) +  = (HO₂⁺ • 3)

By formula: (HO₂⁺ • 2O₂) + O₂ = (HO₂⁺ • 3O₂)

Free energy of reaction

(HO₂⁺ • ) +  = (HO₂⁺ • 2)

By formula: (HO₂⁺ • O₂) + O₂ = (HO₂⁺ • 2O₂)

(HO₂⁺ • 3) +  = (HO₂⁺ • 4)

By formula: (HO₂⁺ • 3O₂) + O₂ = (HO₂⁺ • 4O₂)

(HO₂⁺ • 4) +  = (HO₂⁺ • 5)

By formula: (HO₂⁺ • 4O₂) + O₂ = (HO₂⁺ • 5O₂)

(HO₂⁺ • 5) +  = (HO₂⁺ • 6)

By formula: (HO₂⁺ • 5O₂) + O₂ = (HO₂⁺ • 6O₂)

(HO₂⁺ • 6) +  = (HO₂⁺ • 7)

By formula: (HO₂⁺ • 6O₂) + O₂ = (HO₂⁺ • 7O₂)

(HO₂⁺ • 7) +  = (HO₂⁺ • 8)

By formula: (HO₂⁺ • 7O₂) + O₂ = (HO₂⁺ • 8O₂)

(HO₂⁺ • 8) +  = (HO₂⁺ • 9)

By formula: (HO₂⁺ • 8O₂) + O₂ = (HO₂⁺ • 9O₂)

(HO₂⁺ • ) +  = (HO₂⁺ •  • )

By formula: (HO₂⁺ • O₂) + H₂ = (HO₂⁺ • H₂ • O₂)

HO₂⁺ +  = (HO₂⁺ • )

By formula: HO₂⁺ + H₂ = (HO₂⁺ • H₂)

HO₂⁺ +  = (HO₂⁺ • )

By formula: HO₂⁺ + O₂ = (HO₂⁺ • O₂)

Vibrational and/or electronic energy levels

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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: Marilyn E. Jacox

State:   X

Additional references: Jacox, 1994, page 47

Notes

References

Go To: Top, Reaction thermochemistry 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

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• 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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