Journal
HELIYON
Volume 7, Issue 6, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.heliyon.2021.e07213
Keywords
FT-IR; FT Raman; Molecular docking; NBO; ELF
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The vibrational, electronic, and charge transfer studies on 2-bromo-6-methoxynaphthalene were conducted using DFT method, and theoretical and experimental investigations on FT-IR and FT Raman were executed. Various properties and characteristics of the compound were analyzed, leading to the discovery of its stability, reactive sites, and nucleophilic regions.
The vibrational, electronic and charge transfer studies on 2-bromo-6-methoxynaphthalene (2BMN) were done using DFT method with B3LYP/6-311++G(d,p) theory using GAUSSIAN 09W software. Theoretical and experimental investigations on FT-IR and FT Raman were executed on 2BMN. The calculated vibrational wavenumbers were scaled using suitable scaling factors and vibrational assignments were done to all modes of vibrations using Potential Energy Distribution (PED). Frontier Molecular Orbitals were calculated using TD-DFT method and the HOMO-LUMO energy gap was also obtained. Other electronic properties and global parameters for 2BMN were found using the HOMO-LUMO energy values. An energy gap of 4.208 eV shows the stability of the molecule. The reactive sites were predicted using Molecular Electrostatic Potential (MEP), Electron Localization Function (ELF) and Fukui calculations. Hence all electrophilic sites and nucleophilic areas of the molecule were determined. The delocalization of electron density was studied using NBO calculations. The intramolecular transitions and stability of structure were explained using in detail using the former. As the compound satisfies drug-like properties and has a softness value (indicating its less toxic nature), it may be used as a pharmaceutical product. Molecular docking studies were made and the protein-ligand binding properties were discussed. It was found out that title compound exhibits anti-cancer activities. The low binding energy predicts that the compound may be modified as a drug for treating Cancer.
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