HOCO+

• Formula: CHO₂⁺
• Molecular weight: 45.0169
• CAS Registry Number: 638-71-1
• Information on this page:
  • Reaction thermochemistry data
  • Ion clustering data
  • Vibrational and/or electronic energy levels
  • References
  • Notes
• 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

CHO₂⁺ +  = (CHO₂⁺ • )

By formula: CHO₂⁺ + CO₂ = (CHO₂⁺ • CO₂)

(CHO₂⁺ • 2) +  = (CHO₂⁺ • 3)

By formula: (CHO₂⁺ • 2CO₂) + CO₂ = (CHO₂⁺ • 3CO₂)

(CHO₂⁺ • ) +  = (CHO₂⁺ • 2)

By formula: (CHO₂⁺ • CO₂) + CO₂ = (CHO₂⁺ • 2CO₂)

Ion clustering 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. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

CHO₂⁺ +  = (CHO₂⁺ • )

By formula: CHO₂⁺ + CO₂ = (CHO₂⁺ • CO₂)

(CHO₂⁺ • ) +  = (CHO₂⁺ • 2)

By formula: (CHO₂⁺ • CO₂) + CO₂ = (CHO₂⁺ • 2CO₂)

(CHO₂⁺ • 2) +  = (CHO₂⁺ • 3)

By formula: (CHO₂⁺ • 2CO₂) + CO₂ = (CHO₂⁺ • 3CO₂)

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 165; Bogey, Demuynck, et al., 1984; Bogey, Demuynck, et al., 1986; Bogey, Demuynck, et al., 1988

Notes

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Szulejko and McMahon, 1992
Szulejko, J.; McMahon, T.B., personal communication, 1992. [all data]

Hiraoka, Shoda, et al., 1986
Hiraoka, K.; Shoda, T.; Morise, K.; Yamabe, S.; Kawai, E.; Hirao, K., Stability and structure of cluster ions in the gas phase: Carbon dioxide with Cl^-, H₃O⁺, HCO₂⁺ and HCO⁺, J. Chem. Phys., 1986, 84, 2091. [all data]

Jennings, Headley, et al., 1982
Jennings, K.R.; Headley, J.V.; Mason, R.S., The Temperature Dependence of Ion - Molecule Association Reactions, Int. J. Mass. Spectrom. Ion Phys, 1982, 45, 315. [all data]

Meot-Ner (Mautner) and Field, 1977
Meot-Ner (Mautner), M.; Field, F.H., Proton Affinity and Ion - Molecule Clustering in CO2 and CS2. Applications in Martian Ionospheric Chemistry, J. Chem. Phys., 1977, 66, 10, 4527, https://doi.org/10.1063/1.433706 . [all data]

Amano and Tanaka, 1985
Amano, T.; Tanaka, K., Difference frequency laser spectroscopy of the ν1 band of HOCO+, J. Chem. Phys., 1985, 82, 2, 1045, https://doi.org/10.1063/1.448524 . [all data]

Amano and Tanaka, 1985, 2
Amano, T.; Tanaka, K., Difference frequency laser spectroscopy of the ν1 fundamental band of HOCO+, J. Chem. Phys., 1985, 83, 8, 3721, https://doi.org/10.1063/1.449133 . [all data]

Dopfer, Olkhov, et al., 1998
Dopfer, O.; Olkhov, R.V.; Roth, D.; Maier, J.P., Intermolecular interaction in proton-bound dimers., Chem. Phys. Lett., 1998, 296, 5-6, 585, https://doi.org/10.1016/S0009-2614(98)01079-3 . [all data]

Douberly, Ricks, et al., 2008
Douberly, G.E.; Ricks, A.M.; Ticknor, B.W.; Duncan, M.A., Structure of Protonated Carbon Dioxide Clusters: Infrared Photodissociation Spectroscopy and ab Initio Calculations, J. Phys. Chem. A, 2008, 112, 5, 950, https://doi.org/10.1021/jp7098587 . [all data]

Jacox and Thompson, 2003
Jacox, M.E.; Thompson, W.E., Infrared spectra of HOCO[sup +] and of the complex of H[sub 2] with CO[sub 2][sup -] trapped in solid neon, J. Chem. Phys., 2003, 119, 20, 10824, https://doi.org/10.1063/1.1621383 . [all data]

Ruscic, Schwartz, et al., 1989
Ruscic, B.; Schwartz, M.; Berkowitz, J., A photoionization study of the COOH species, J. Chem. Phys., 1989, 91, 6780. [all data]

Ruscic and Litorja, 2000
Ruscic, B.; Litorja, M., Photoionization of HOCO revisited: a new upper limit to the adiabatic ionization energy and lower limit to the enthalpy of formation, Chem. Phys. Lett., 2000, 316, 1-2, 45, https://doi.org/10.1016/S0009-2614(99)01267-1 . [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]

Bogey, Demuynck, et al., 1984
Bogey, M.; Demuynck, C.; Destombes, J.L., Astron. Astrophys., 1984, 138, L11. [all data]

Bogey, Demuynck, et al., 1986
Bogey, M.; Demuynck, C.; Destombes, J.-L., The submillimeter wave spectrum of the protonated and deuterated carbon dioxide, J. Chem. Phys., 1986, 84, 1, 10, https://doi.org/10.1063/1.450184 . [all data]

Bogey, Demuynck, et al., 1988
Bogey, M.; Demuynck, C.; Destombes, J.L.; Krupnov, A., Molecular structure of HOCO+, J. Mol. Struct., 1988, 190, 465, https://doi.org/10.1016/0022-2860(88)80305-3 . [all data]

Notes

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• Symbols used in this document:
  

  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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