Dec 31, 2019
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Journal
International Journal of Recent Technology and Engineering
Abstract
The vibrational spectra of 3-bromo-o-xylene have been studied by FTIR and FT-Raman spectra in the regions 4000-400 cm-1 and 3500-50 cm-1 , respectively. The geometrical parameters, frequencies and spectral intensities were calculated by density functional theory (DFT/B3LYP) method with 6-31+G(d,p) and 6-311++G(d,p) basis sets. The experimental and theoretical spectra are compared. The UV–Vis spectral analysis and the HOMO-LUMO of the molecule has been calculated which confirms the charge shift of the molecular system. The natural bond orbital investigation has been found for different bonding, antibonding and lone pair interactions and mapped molecular electrostatic potential (MEP) have also been reported