CO2+

• Formula: CO₂⁺
• Molecular weight: 44.0090
• IUPAC Standard InChI: InChI=1S/CO2/c2-1-3/q+1 Copy

  
• IUPAC Standard InChIKey: PCDPTONYKSNEJX-UHFFFAOYSA-N Copy
• CAS Registry Number: 12181-61-2
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  The 3d structure may be viewed using Java or Javascript.
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• Information on this page:
  • Ion clustering data
  • Vibrational and/or electronic energy levels
  • References
  • Notes
• Other data available:
  • Reaction thermochemistry data
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Ion clustering data

Go To: Top, 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: CO₂⁺ + Ar = (CO₂⁺ • Ar)

 +  = ( • )

By formula: CO₂⁺ + CO₂ = (CO₂⁺ • CO₂)

( • ) +  = ( • 2)

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

( • 2) +  = ( • 3)

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

( • 3) +  = ( • 4)

By formula: (CO₂⁺ • 3CO₂) + CO₂ = (CO₂⁺ • 4CO₂)

( • 4) +  = ( • 5)

By formula: (CO₂⁺ • 4CO₂) + CO₂ = (CO₂⁺ • 5CO₂)

( • 5) +  = ( • 6)

By formula: (CO₂⁺ • 5CO₂) + CO₂ = (CO₂⁺ • 6CO₂)

 +  = ( • )

By formula: CO₂⁺ + Kr = (CO₂⁺ • Kr)

Vibrational and/or electronic energy levels

Go To: Top, 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:   C

State:   ?

State:   B

State:   A

State:   X

Additional references: Jacox, 1994, page 77; Jacox, 1998, page 185; Jacox, 2003, page 123; Mrozowski, 1942; Hesser, 1968; Schlag, Frey, et al., 1977; Maier and Thommen, 1980; Rostas and Tuckett, 1982; Johnson, Rostas, et al., 1982; Johnson, Zare, et al., 1984; Larsson, 1985; Larzilliere, 1989

Notes

References

Go To: Top, 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.

Pratt and Dehmer, 1983
Pratt, S.T.; Dehmer, P.M., On the Dissociation Energy of ArCO2+, J. Chem. Phys., 1983, 78, 10, 6336, https://doi.org/10.1063/1.444561 . [all data]

Hiraoka, Nakajima, et al., 1988
Hiraoka, K.; Nakajima, G.; Shoda, S., Determination of the Stabilities of CO2+(CO2)n and O2+(CO2)n Clusters with n = 1 - 6, Chem. Phys. Lett., 1988, 146, 6, 535, https://doi.org/10.1016/0009-2614(88)87495-5 . [all data]

Illies, 1988
Illies, A.J., Thermochemistry of the Gas - Phase Ion - Molecule Clustering of CO2+CO2, SO2+CO2, N2O+N2O, O2+CO2, NO+CO2 and NO+N2O: Description of a New Hybrid Drift Tube/Ion Source with Coaxial Electron Beam and Ion Exit Apertures, J. Phys. Chem., 1988, 92, 10, 2889, https://doi.org/10.1021/j100321a037 . [all data]

Van Koppen, Kemper, et al., 1983
Van Koppen, P.A.M.; Kemper, P.R.; Illies, A.J.; Bowers, M.T., An Improved High - Pressure, Temperature - Variable Ion Source with Coaxial Electron Beam/Ion Exit Slit, Int. J. Mass Spectrom. Ion Proc., 1983, 54, 3, 263, https://doi.org/10.1016/0168-1176(83)80015-9 . [all data]

Headley, Mason, et al., 1982
Headley, J.V.; Mason, R.S.; Jennings, K.R., Kinetics, Equilibria and Diffusion of Ions Produced in N2, CO and CO2, Studied as a Function of Temperature using a High - Pressure Pulsed Mass Spectrometer, J. Chem. Soc., 1982, 78, 933. [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]

Cameron, Aitken, et al., 1994
Cameron, B.R.; Aitken, C.G.; Harland, P.W., Appearence Energies of Small Cluster Ions and their Fragments, J. Chem. Soc. Faraday Trans., 1994, 90, 7, 935, https://doi.org/10.1039/ft9949000935 . [all data]

Linn and Ng, 1981
Linn, S.H.; Ng, C.Y., Photoionization Study of CO2, N2O Dimers and Clusters, J. Chem. Phys., 1981, 75, 10, 4921, https://doi.org/10.1063/1.441931 . [all data]

Jarrold, Illies, et al., 1985
Jarrold, M.F.; Illies, A.J.; Wagner-Redeker, W.; Bowers, M.T., Photodissociation of Weakly Bound Ion - Molecule Clusters: The Kr.CO2+ Cluster, J. Phys. Chem., 1985, 89, 15, 3269, https://doi.org/10.1021/j100261a020 . [all data]

Baer and Guyon, 1986
Baer, T.; Guyon, P.M., Autoionization and isotope effect in the threshold photoelectron spectrum of 12CO2 and 13CO2, J. Chem. Phys., 1986, 85, 9, 4765, https://doi.org/10.1063/1.451736 . [all data]

Wang, Reutt, et al., 1988
Wang, L.; Reutt, J.E.; Lee, Y.T.; Shirley, D.A., High resolution UV photoelectron spectroscopy of CO₂, COS, and CS₂ using supersonic molecular beams, J. Electron Spectrosc. Relat. Phenom., 1988, 47, 167. [all data]

Wyttenbach, Evard, et al., 1989
Wyttenbach, T.; Evard, D.D.; Maier, J.P., Two-photon absorption spectroscopy of ion beams: CO+2 C 2Σ+g state characterization, J. Chem. Phys., 1989, 90, 9, 4645, https://doi.org/10.1063/1.456608 . [all data]

Bueso-Sanllehi, 1941
Bueso-Sanllehi, F., Rotational Analysis of the 2900A Band of CO2+, Phys. Rev., 1941, 60, 8, 556, https://doi.org/10.1103/PhysRev.60.556 . [all data]

Gauyacq, Horani, et al., 1975
Gauyacq, D.; Horani, M.; Leach, S.; Rostas, J., The Emission Spectrum of the CO2+ Ion: Band System, Can. J. Phys., 1975, 53, 19, 2040, https://doi.org/10.1139/p75-255 . [all data]

Watson, Vervloet, et al., 1994
Watson, J.K.G.; Vervloet, M.; Rostas, J.; Klapstein, D., Analysis of low-, Mol. Phys., 1994, 83, 2, 211, https://doi.org/10.1080/00268979400101211 . [all data]

Johnson and Rostas, 1995
Johnson, M.A.; Rostas, J., Vibronic structure of the CO, Mol. Phys., 1995, 85, 5, 839, https://doi.org/10.1080/00268979500101521 . [all data]

Liu, Hochlaf, et al., 2000
Liu, J.; Hochlaf, M.; Ng, C.Y., Pulsed field ionization--photoelectron bands for CO[sub 2][sup +](A [sup 2]Π[sub u] and B [sup 2]Σ[sub u][sup +]) in the energy range of 17.2--19.0 eV: An experimental and theoretical study, J. Chem. Phys., 2000, 113, 18, 7988, https://doi.org/10.1063/1.1314354 . [all data]

Wannberg, Veenhuizen, et al., 1984
Wannberg, B.; Veenhuizen, H.; Mattsson, L.; Norell, K.E.; Karlsson, L.; Siegbahn, K., High-resolution angle-resolved photoelectron spectrum of the B, J. Phys. B, 1984, 17, 8, L259, https://doi.org/10.1088/0022-3700/17/8/005 . [all data]

Shaw and Holland, 2005
Shaw, D.A.; Holland, D.M.P., A dispersed fluorescence study of the transition, J. Electron Spectrosc. Relat. Phenom., 2005, 144-147, 143, https://doi.org/10.1016/j.elspec.2005.01.018 . [all data]

Mrozowski, 1941
Mrozowski, S., On the Πu2→Πg2 Bands of CO2+. Part I, Phys. Rev., 1941, 60, 10, 730, https://doi.org/10.1103/PhysRev.60.730 . [all data]

Johns, 1964
Johns, J.W.C., A NEW ASSIGNMENT OF SOME CO, Can. J. Phys., 1964, 42, 5, 1004, https://doi.org/10.1139/p64-092 . [all data]

Gauyacq, Larcher, et al., 1979
Gauyacq, D.; Larcher, C.; Rostas, J., The emission spectrum of the CO, Can. J. Phys., 1979, 57, 10, 1634, https://doi.org/10.1139/p79-227 . [all data]

Larzilliere, Lacoursiere, et al., 1993
Larzilliere, M.; Lacoursiere, J.; el Idrissi, F.C.; Varfalvy, N.; Lafleur, P.; Ross, A.J., Fast-ion-beam laser spectroscopy of CO_{2}^{+}: Laser-induced fluorescence of the A ^{2}Π_{u}--X ^{2}Π_{g} electronic transition, Phys. Rev. A, 1993, 48, 1, 471, https://doi.org/10.1103/PhysRevA.48.471 . [all data]

Baltzer, Chau, et al., 1996
Baltzer, P.; Chau, F.T.; Eland, J.H.D.; Karlsson, L.; Lundqvist, M.; Rostas, J.; Tam, K.Y.; Veenhuizen, H.; Wannberg, B., A study of the vibronic structure in the HeI excited photoelectron spectrum of CO2 involving the X 2Πg and A 2Πu ionic states, J. Chem. Phys., 1996, 104, 22, 8922, https://doi.org/10.1063/1.471626 . [all data]

Rupper and Merkt, 2004
Rupper, P.; Merkt, F., Intense narrow-bandwidth extreme ultraviolet laser system tunable up to 20 eV, Rev. Sci. Instrum., 2004, 75, 3, 613, https://doi.org/10.1063/1.1646744 . [all data]

Gharaibeh and Clouthier, 2010
Gharaibeh, M.A.; Clouthier, D.J., Laser induced fluorescence spectroscopy of the jet-cooled carbon dioxide cation ([sup 12]CO[sub 2][sup +] and [sup 13]CO[sub 2][sup +]), J. Chem. Phys., 2010, 132, 11, 11437, https://doi.org/10.1063/1.3360309 . [all data]

Mrozowski, 1947
Mrozowski, S., On the Πu2→Πg2 Bands of CO2+. Part IV, Phys. Rev., 1947, 72, 8, 691, https://doi.org/10.1103/PhysRev.72.691 . [all data]

Mrozowski, 1947, 2
Mrozowski, S., On the Πu2→Πg2 Bands of CO2+. Part III, Phys. Rev., 1947, 72, 8, 682, https://doi.org/10.1103/PhysRev.72.682 . [all data]

Judge, Bloom, et al., 1969
Judge, D.L.; Bloom, G.S.; Morse, A.L., Studies of the CO, Can. J. Phys., 1969, 47, 5, 489, https://doi.org/10.1139/p69-064 . [all data]

Larcher, Gauyacq, et al., 1980
Larcher, C.; Gauyacq, D.; Rostas, J., J. Chim. Phys., 1980, 77, 655. [all data]

Frye and Sears, 1987
Frye, J.M.; Sears, T.J., Measurement of the Renner-Teller effect in, Mol. Phys., 1987, 62, 4, 919, https://doi.org/10.1080/00268978700102671 . [all data]

Liu, Chen, et al., 2000
Liu, J.; Chen, W.; Hsu, C.-W.; Hochlaf, M.; Evans, M.; Stimson, S.; Ng, C.Y., High resolution pulsed field ionization--photoelectron study of CO[sub 2][sup +](X [sup 2]Π[sub g]) in the energy range of 13.6--14.7 eV, J. Chem. Phys., 2000, 112, 24, 10767, https://doi.org/10.1063/1.481721 . [all data]

Varfalvy, Larzilliere, et al., 2007
Varfalvy, N.; Larzilliere, M.; Frigon, C.; Bacis, R.; Ross, A.J., Fourier transform spectra of laser-induced fluorescence from the ion: reinvestigation of Fermi resonance effects, Mol. Phys., 2007, 105, 5-7, 627, https://doi.org/10.1080/00268970701222706 . [all data]

Kawaguchi, Yamada, et al., 1985
Kawaguchi, K.; Yamada, C.; Hirota, E., Diode laser spectroscopy of the CO2+ ν3 band using magnetic field modulation of the discharge plasma, J. Chem. Phys., 1985, 82, 3, 1174, https://doi.org/10.1063/1.448489 . [all data]

Merkt, Mackenzie, et al., 1993
Merkt, F.; Mackenzie, S.R.; Rednall, R.J.; Softley, T.P., Zero-kinetic-energy photoelectron spectrum of carbon dioxide, J. Chem. Phys., 1993, 99, 11, 8430, https://doi.org/10.1063/1.466212 . [all data]

Sears, 1986
Sears, T.J., Observation of the v, Mol. Phys., 1986, 59, 2, 259, https://doi.org/10.1080/00268978600102061 . [all data]

Thompson and Jacox, 1999
Thompson, W.E.; Jacox, M.E., The vibrational spectra of CO[sub 2][sup +], (CO[sub 2])[sub 2][sup +], CO[sub 2][sup -], and (CO[sub 2])[sub 2][sup -] trapped in solid neon, J. Chem. Phys., 1999, 111, 10, 4487, https://doi.org/10.1063/1.479212 . [all data]

Jacox and Thompson, 1989
Jacox, M.E.; Thompson, W.E., The vibrational spectra of molecular ions isolated in solid neon. I. CO+2 and CO-2, J. Chem. Phys., 1989, 91, 3, 1410, https://doi.org/10.1063/1.457100 . [all data]

Godbout, Halasinski, et al., 1996
Godbout, J.T.; Halasinski, T.M.; Leroi, G.E.; Allison, J., Matrix Isolation of Mass-Selected Cations: Are Counterions Present and How Are They Formed?, J. Phys. Chem., 1996, 100, 8, 2892, https://doi.org/10.1021/jp952482k . [all data]

Zhou and Andrews, 1999
Zhou, M.; Andrews, L., Infrared spectra of the C[sub 2]O[sub 4][sup +] cation and C[sub 2]O[sub 4][sup -] anion isolated in solid neon, J. Chem. Phys., 1999, 110, 14, 6820, https://doi.org/10.1063/1.478586 . [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]

Jacox, 1998
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement A, J. Phys. Chem. Ref. Data, 1998, 27, 2, 115-393, https://doi.org/10.1063/1.556017 . [all data]

Jacox, 2003
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement B, J. Phys. Chem. Ref. Data, 2003, 32, 1, 1-441, https://doi.org/10.1063/1.1497629 . [all data]

Mrozowski, 1942
Mrozowski, S., On the Πu2→Πg2 Bands of CO2+. Part II, Phys. Rev., 1942, 62, 5-6, 270, https://doi.org/10.1103/PhysRev.62.270 . [all data]

Hesser, 1968
Hesser, J.E., Absolute Transition Probabilities in Ultraviolet Molecular Spectra, J. Chem. Phys., 1968, 48, 6, 2518, https://doi.org/10.1063/1.1669477 . [all data]

Schlag, Frey, et al., 1977
Schlag, E.W.; Frey, R.; Gotchev, B.; Peatman, W.B.; Pollak, H., Radiative lifetimes of ions from electron-photon coincidence measurements, Chem. Phys. Lett., 1977, 51, 3, 406, https://doi.org/10.1016/0009-2614(77)85387-6 . [all data]

Maier and Thommen, 1980
Maier, J.P.; Thommen, F., Fluorescence quantum yields and cascade-free lifetimes of state selected CO+2, COS+, CS+2 and N2O+ determined by photoelectron---photon coincidence spectroscopy, Chem. Phys., 1980, 51, 3, 319, https://doi.org/10.1016/0301-0104(80)80106-6 . [all data]

Rostas and Tuckett, 1982
Rostas, J.; Tuckett, R.P., The emission spectrum of CO2+: The band, rotationally cooled in a molecular beam, J. Mol. Spectrosc., 1982, 96, 1, 77, https://doi.org/10.1016/0022-2852(82)90215-6 . [all data]

Johnson, Rostas, et al., 1982
Johnson, M.A.; Rostas, J.A.; Zare, R.N., Optical-optical double resonance on cooled molecular ions: rotational assignments in the perturbed CO+2- system, Chem. Phys. Lett., 1982, 92, 3, 225, https://doi.org/10.1016/0009-2614(82)80265-0 . [all data]

Johnson, Zare, et al., 1984
Johnson, M.A.; Zare, R.N.; Rostas, J.; Leach, S., Resolution of the A/B photoionization branching ratio paradox for the 12CO+2 B(000) state, J. Chem. Phys., 1984, 80, 6, 2407, https://doi.org/10.1063/1.446991 . [all data]

Larsson, 1985
Larsson, M., Fluorescence Lifetimes of Levels Involving the Antisymmetric Stretch Mode of the, Phys. Scr., 1985, 31, 4, 262, https://doi.org/10.1088/0031-8949/31/4/007 . [all data]

Larzilliere, 1989
Larzilliere, M., and Ch. Jungen, 1989, Mol. Phys. 67, 807. [all data]

Notes

Go To: Top, Ion clustering data, Vibrational and/or electronic energy levels, References

• 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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