Journal
JOURNAL OF MOLECULAR STRUCTURE
Volume 1156, Issue -, Pages 645-656Publisher
ELSEVIER
DOI: 10.1016/j.molstruc.2017.12.024
Keywords
DFT; FTIR; FT-Raman; NBO; NLO; MEP; HOMO-LUMO; Docking
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Experimental and theoretical studies on the optimized geometrical structure, electronic and vibrational characteristics of (+)-(S)-2-(6-methoxynaphthalen-2-yl) propanoic acid are presented employing B3LYP/6-311++G (d,p) basis set. Simulated FT-IR and FT-Raman spectra were in concurrence with the observed spectra attained in a spectral range of FT-IR (4000 - 400 cm(-1)) and FT-Raman (4000 - 100 cm(-1)). Quantum chemical calculations and the comprehensive vibrational assignments of wavenumbers of the optimized geometry using Potential Energy Distribution (PED) were calculated with scaled quantum mechanics. The infrared intensities and Raman intensities of (+)-(S)-2-(6-methoxynaphthalen-2-yl) propanoic acid were reported. Frontier molecular orbital analysis and reactivity parameters were calculated. Molecular Electrostatic Potential (MEP), Natural Bond Orbital (NBO) analysis, Non Linear Optical (NLO) behavior and thermodynamic properties were studied. In addition, the Mulliken charge distribution and Fukui function were analyzed. Molecular docking was used to dock in the title molecule into the active site of the protein 5L9B which belongs to the class of proteins exhibiting the property as a HIF1A (Hypoxia-inducible factor 1-alpha) expression inhibitor and the minimum binding energy was detected to be -6.2 kcal/mol. (C) 2017 Elsevier B.V. All rights reserved.
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