Ethanone, 1-cyclopropyl-

• Formula: C₅H₈O
• Molecular weight: 84.1164
• IUPAC Standard InChI: InChI=1S/C5H8O/c1-4(6)5-2-3-5/h5H,2-3H2,1H3 Copy

  
• IUPAC Standard InChIKey: HVCFCNAITDHQFX-UHFFFAOYSA-N Copy
• CAS Registry Number: 765-43-5
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Other names: Ketone, cyclopropyl methyl; Acetylcyclopropane; Cyclopropyl methyl ketone; Methyl cyclopropyl ketone; 1-Cyclopropylethanone; NSC 1940
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• Information on this page:
  • Gas phase thermochemistry data
  • Ion clustering data
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
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Gas phase 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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

C₅H₉O⁺ +  = (C₅H₉O⁺ • )

By formula: C₅H₉O⁺ + C₅H₈O = (C₅H₉O⁺ • C₅H₈O)

Bond type: Hydrogen bonds of the type OH-O between organics

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.

Kozina, Timofeeva, et al., 1984
Kozina, M.P.; Timofeeva, L.P.; Gal'chenko, G.L.; Balenkova, E.S.; Ordubadi, M.D., Enthalpies of combustion and formation of 1-methylnorcamphor and methylcyclopropyl ketone, Moscow Univ. Chem. Bull. (Engl. Transl.), 1984, 25, 41-45. [all data]

Szulejko and McMahon, 1991
Szulejko, J.E.; McMahon, T.B., A Pulsed Electron Beam, Variable Temperature, High Pressure Mass Spectrometric Reevaluation of the Proton Affinity Difference Between 2-Methylpropene and Ammonia, Int. J. Mass Spectrom. Ion Proc., 1991, 109, 279, https://doi.org/10.1016/0168-1176(91)85109-Y . [all data]

Notes

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• Symbols used in this document:
  

  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  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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