Journal
JOURNAL OF MOLECULAR STRUCTURE
Volume 1271, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.molstruc.2022.134001
Keywords
DFT; IR; UV-Vis; NLO; NBO; Molecular docking
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In this study, the spectral and electronic properties of a molecule were explored using density functional theory, and its antifungal activity was evaluated using molecular docking. The results showed that the molecule had considerable chemical activity and favorable drug-like properties. The molecular docking study confirmed its strong inhibitory potential against the target enzyme for antifungal medications. These findings are important for the development of new antifungal drugs.
In this study, the density functional theory was used to explore the spectral and electronic properties of the title molecule, as well as a molecular docking technique to evaluate its antifungal activity. The fundamental vibrations were assigned based on the calculated vibrational spectra. The maximum absorption peak in the UV-Visible spectra was detected at 238.165 nm and caused by electronic transitions from HOMO to LUMO+1. The calculated quantum chemical parameters indicated considerable chemical activity, such as a small band gap and high electrophilicity value. The title molecule has a high level of electrophile nature, as revealed by its high electrophilicity value (7.32 eV) and MEP analysis. The third -order NLO polarizability analysis demonstrated significant potential for NLO applications. NBO analysis was conducted to analyze a complete molecular description and intermolecular interactions resulting from hyper-conjugative interactions and charge delocalization of the molecule. The calculated physicochemical properties of Lipinski's rule revealed a favorable character of drug-likeness. The molecular docking study confirmed the strong inhibitory potential (-8.05 Kcal/Mol) for the title molecule against 14 alpha-demethylase, the main target enzyme for antifungal medications. In the reported protein-ligand interaction, the presence of a halogen bond with the bromine atom indicated the halogenated character of the studied molecule. These findings point to a high level of antifungal activity. (C) 2022 Elsevier B.V. All rights reserved.
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