Ethenol

• Formula: C₂H₄O
• Molecular weight: 44.0526
• IUPAC Standard InChI: InChI=1S/C2H4O/c1-2-3/h2-3H,1H2 Copy

  
• IUPAC Standard InChIKey: IMROMDMJAWUWLK-UHFFFAOYSA-N Copy
• CAS Registry Number: 557-75-5
• 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.
• Other names: vinyl alcohol
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• Information on this page:
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • 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
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

View reactions leading to C₂H₄O⁺ (ion structure unspecified)

Ionization energy determinations

Appearance 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.

Ruscic and Berkowitz, 1994
Ruscic, B.; Berkowitz, J., The heats of formation of some C₂H₅O⁺ isomers, relevant bond energies in ethanol and PA(CH₃CHO), J. Chem. Phys., 1994, 101, 10936. [all data]

Matti, Osman, et al., 1989
Matti, G.Y.; Osman, O.I.; Upham, J.E.; Suffolk, R.J., Photoelectron spectroscopic detection of vinyl alcohol, CH₂=CHOH: Evidence for the syn and anti rotamers, J. Electron Spectrosc. Relat. Phenom., 1989, 49, 195. [all data]

Iraqi, Pri-Bar, et al., 1986
Iraqi, M.; Pri-Bar, I.; Lifshitz, C., Electron impact ionization of unstable enols: H₂C=CHOH, H₂C=C(OH)-CH₃ and H₂C=C(OH)-C₂H₅, Org. Mass Spectrom., 1986, 21, 661. [all data]

Albrecht, Allan, et al., 1984
Albrecht, B.; Allan, M.; Haselbach, E.; Neuhaus, L.; Carrupt, P.-A., 26. Molecular ions of transient species: Vinyl-alcohol cation, Helv. Chim. Acta, 1984, 67, 216. [all data]

Holmes and Lossing, 1982
Holmes, J.L.; Lossing, F.P., Heats of formation of the ionic and neutral enols of acetaldehyde and acetone, J. Am. Chem. Soc., 1982, 104, 2648. [all data]

Holmes, Terlouw, et al., 1976
Holmes, J.L.; Terlouw, J.K.; Lossing, F.P., The thermochemistry of C₂H₄O⁺ ions, J. Phys. Chem., 1976, 80, 2860. [all data]

Notes

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• Symbols used in this document:
  

  AE	Appearance energy

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