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Title: Cyclopropenone  
Author: World Heritage Encyclopedia
Language: English
Subject: C3H2O, Methanol, Ketones, Diazenylium, Methyl isocyanide
Collection: Ketones
Publisher: World Heritage Encyclopedia


IUPAC name
Other names
Cyclopropenone, Cyclopropene-3-one
Jmol-3D images Image
Molar mass 54.05 g·mol−1
Appearance colorless gas
Melting point −29 to −28 °C
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Cyclopropenone is an molecular formula C3H2O consisting of a cyclopropene carbon framework with a ketone functional group. It is a colorless gas.[1] The chemical properties of the compound are dominated by the strong polarization of the carbonyl group, which gives a partial positive charge with aromatic stabilization on the ring and a partial negative charge on oxygen.

Main resonance structures of cyclopropenone.

See also


  1. ^ R. Breslow, J. Pecoraro, T. Sugimoto "Cyclpropenone" Org. Synth. 1977, vol. 57, pp. 41. doi:10.15227/orgsyn.057.0041
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