H2CCO+

• Formula: C₂H₂O⁺
• Molecular weight: 42.0361
• CAS Registry Number: 64999-16-2
• Information on this page:
  • Vibrational and/or electronic energy levels
  • References
  • Notes
• Other data available:
  • Reaction thermochemistry data
  • Ion clustering data
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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:   E

State:   D

State:   C

State:   B

State:   A

State:   X

Additional references: Jacox, 1994, page 250; Jacox, 1998, page 280

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.

Hall, Maier, et al., 1977
Hall, D.; Maier, J.P.; Rosmus, P., Electronic states of ketene radical cation, Chem. Phys., 1977, 24, 373. [all data]

Niu, Bai, et al., 1993
Niu, B.; Bai, Y.; Shirley, D.A., High resolution He Iα photoelectron spectroscopy of H2CCO and D2CCO using supersonic molecular beams, Chem. Phys. Lett., 1993, 201, 1-4, 217, https://doi.org/10.1016/0009-2614(93)85059-W . [all data]

Baker and Turner, 1969
Baker, D.; Turner, D.W., J. Chem. Soc. D, 1969, 480. [all data]

Vogt, Williamson, et al., 1978
Vogt, J.; Williamson, A.D.; Beauchamp, J.L., Properties and reactions of ketene in the gas phase by ion cyclotron resonance spectroscopy and photoionization mass spectrometry. Proton affinity, site specificity of protonation, and heat of formation of ketene, J. Am. Chem. Soc., 1978, 100, 3478. [all data]

Willitsch, Haldi, et al., 2002
Willitsch, S.; Haldi, A.; Merkt, F., Rovibrational energy level structure of the ground electronic state of CH2CO+ and CD2CO+, Chem. Phys. Lett., 2002, 353, 1-2, 167, https://doi.org/10.1016/S0009-2614(01)01495-6 . [all data]

Wang, Shi, et al., 2002
Wang, S.; Shi, Y.; Jakubek, Z.J.; Barnett, M.; Simard, B.; Muller-Dethlefs, K.; Liu, C.-P.; Lee, Y.-P., Nonresonant two-photon mass analyzed threshold ionization and zero kinetic energy photoelectron investigation of the X [sup 2]B[sub 1] ground state of CH[sub 2]CO[sup +] and CD[sub 2]CO[sup +], J. Chem. Phys., 2002, 117, 14, 6546, https://doi.org/10.1063/1.1506157 . [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]

Notes

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• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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