- ELSEVIER SCIENCE BV
Infrared spectra of Dewar 2-picoline, produced from 2-picoline in an argon matrix by UV irradiation, were measured. The observed bands were assigned to a single isomer, which has a C-C bridging bond and an N=C-CH3 group, with the aid of DFT calculations, where the 6-31 + + G * * basis set was used to optimize the geometrical structure. No other isomer bands were observed. The selectivity of the isomerization to Dewar 2-picoline is discussed in terms of the atomic charge distribution in electronically excited states of 2-picoline. (C) 1999 Elsevier Science B.V. All rights reserved.
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