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Title: Ketenimine  
Author: World Heritage Encyclopedia
Language: English
Subject: Methanol, Functional groups, Diazenylium, Methyl isocyanide, Silicon monosulfide
Collection: Functional Groups
Publisher: World Heritage Encyclopedia


General structure of a ketenimine

Ketenimines are a group of functional group with the general structure R1R2C=C=NR3. A ketenimine is a cumulated alkene and imine and is related to an allene and a ketene.

The parent compound is ketenimine or CH2CNH. The most recent work by Bane et al. investigates the rovibrational structure of the ν8 and ν12 bands in the high-resolution FTIR spectrum, complementing the earlier analysis of the pure rotational spectrum. This pair of Coriolis coupled bands provide a rare example where intensity sharing between bands yields sufficient intensity for an otherwise invisible band (ν12).[1][2]


  1. ^ Michael K. Bane, Christopher D. Thompson, Evan G. Robertson, Dominique R. T. Appadoo and Don McNaughton (2011). "High-resolution FTIR spectroscopy of the ν8 and Coriolis perturbation allowed ν12 bands of ketenimine". Physical Chemistry Chemical Physics 13 (15): 6793–8.  
  2. ^ F. J. Lovas, J. M. Hollis, Anthony J. Remijan, and P. R. Jewell (2006). "Detection of Ketenimine (CH2CNH) in Sagittarius B2(N) Hot Cores". The Astrophysical Journal 645 (2): L137–L140.  
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