V. Krishnakumar, D. Barathi, R. Mathammal
Feb 1, 2012
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Journal
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy
Abstract
The vibrational spectra of 1,2-dichloro-4-nitrobenzene (DCNB) and 2,3,5,6-tetrachloro-1-nitrobenzene (TCNB) were computed using B3LYP methodology with 6-31G* basis set. The solid phase FTIR and FT-Raman spectra were recorded in the region 4000-400 cm(-1) and 4000-50 cm(-1), respectively. A similarity was achieved between the observed and calculated frequencies by refinement of the scale factors. The HOMO and LUMO energies were calculated. (13)C and (1)H NMR chemical shifts results were also compared with the experimental values.