Polarised raman and infrared spectra and vibrational analysis for α-naphthylamine

Abstract

The Raman spectrum of polycrystalline α-naphthylamine was recorded in the region 100-4000 cm-1. Polarisation measurements were made in CS2 and CHCl3 solutions. The infrared spectrum was recorded in nujol mull in the region 200-4000 cm-1. The resolution was better than 2 cm-1 and the accuracy of the measurements was within ± 2 cm-1 for all the spectra. Vibrational assignments have been proposed for the observed frequencies. Out of the 54 normal modes of vibrations, 51 modes could be observed experimentally. © 1985 Indian Academy of Sciences.