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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 34, Number 5
BKCSDE 34(5)
May 20, 2013

Title	Matrix Infrared Spectra and DFT Computations of CH₂CNH and CH₂NCH Produced from CH₃CN by Laser-Ablation Plume Radiation
Author	Han-Gook Cho
Keywords	Acetonitrile, Ketenimine, N-Methylide, Matrix-infrared, DFT
Abstract	The smallest ketenimine and hydrogen cyanide N-methylide (CH2CNH and CH2NCH) are provided from the argon/acetonitrile matrix samples exposed to radiation from laser ablation of transition-metals. New infrared bands are observed in addition to better determination of the vibrational characteristics for the previously reported bands, and the 13C substituted isotopomers (13CH2 13CNH and 13CH2N13CH) are also generated. Density functional frequency calculations and the D and 13C isotopic shifts substantiate the vibrational assignments. CH2CNH is probably produced through single-step conversion of CH3CN, whereas CH2NCH through two-step conversion via 2H-azirine. Inter-conversions between these two products evidently do not occur during photolysis and annealing.
Page	1361 - 1365
Full Text	PDF

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