Ethynyloxy radical

• Formula: C₂HO
• Molecular weight: 41.0287
• IUPAC Standard InChI: InChI=1S/C2HO/c1-2-3/h1H Copy

  
• IUPAC Standard InChIKey: QEJQAPYSVNHDJF-UHFFFAOYSA-N Copy
• CAS Registry Number: 51095-15-9
• Chemical structure:
  This structure is also available as a 2d Mol file
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• Information on this page:
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Vibrational and/or electronic energy levels
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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Gas phase ion energetics 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 as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
B - John E. Bartmess

View reactions leading to C₂HO⁺ (ion structure unspecified)

Electron affinity determinations

Ionization energy determinations

References

Go To: Top, Gas phase ion energetics data, Notes

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

Schafer-Bung, Engels, et al., 2001
Schafer-Bung, B.; Engels, B.; Taylor, T.R.; Neumark, D.M.; Botschwina, P.; Peric, M., Measurement and theoretical simulation of the HCCO- anion photoelectron spectrum, J. Chem. Phys., 2001, 115, 4, 1777-1788, https://doi.org/10.1063/1.1378041 . [all data]

Oakes, Jones, et al., 1983
Oakes, J.M.; Jones, M.E.; Bierbaum, V.M.; Ellison, G.B., Photoelectron spectroscopy of CCO^- and HCCO^-, J. Phys. Chem., 1983, 87, 4810. [all data]

Lias, Bartmess, et al., 1988
Lias, S.G.; Bartmess, J.E.; Liebman, J.F.; Holmes, J.L.; Levin, R.D.; Mallard, W.G., Gas-phase ion and neutral thermochemistry, J. Phys. Chem. Ref. Data, Suppl. 1, 1988, 17, 1-861. [all data]

Notes

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• Symbols used in this document:
  

  EA	Electron affinity

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