Calculation and analysis of IR spectrum of 2-aminopyridine

Normal coordinate analysis of 2-aminopyridine (2AP) and ND2-pyridine have b een performed in valance force field approximation. 2AP was taken as planar because of the low barrier to amino group inversion. The IR absorption int ensities have been calculated and the electro-optical parameters (EOP) were fitted to experimental data in order to produce the experimental relative intensities. The created force field and EOP reproduce the IR spectrum of t he molecule studied well. (C) 1999 Elsevier Science B.V. All rights reserve d.