Add time:08/04/2019         Source:sciencedirect.com

In this work, the vibrational spectral analysis was carried out using FT-IR and FT-Raman spectroscopy of (2E)-1-(4-Chlorophenyl)-3-[4-(propan-2-yl)phenyl]prop-2-en-1-one. The computations were performed at DFT level of theory to get the optimizedgeometry and vibrational wave numbers of the normal modes of the title compound using Gaussian09 software. The complete vibrational assignments of wave numbers were made on the basis of potential energy distribution. The calculated HOMO and LUMO energies show chemical activity of the molecule. The stability of the molecule arising from hyper-conjugative interaction and charge delocalization has been analyzed using NBO analysis. The hyperpolarizability values are reported and the first hyperpolarizability of the title compound is 83.85 times that of standard NLO material urea. From the MEP plot, the negative electrostatic potential regions are mainly localized over the carbonyl group, the phenyl rings and are possible sites for electrophilic attack. The positive regions are localized over all the hydrogen atoms and are possible sites for nucleophilic attack. The molecular docking results suggest that the compound might exhibit inhibitory activity against lymphocyte-specific kinase and may results in design of novel T-cell immunosuppressants.

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