Abstract
ABSTRACT The charge transfer complex (CT complex) formed in ethanol with 1,2-dimethylimidazole (DMI, donor) and picric acid (PA, π- acceptor) at room temperature (RT) and spectrophotometric studies have been performed in various solvents. CT complex was characterised using different analysis like – 1H NMR, FTIR spectra and UV-vis spectra which designates that CT interaction is connected to proton relocation to DMI from PA followed by the formation of N+–H···O− type bonding. Spectrophotometric data helps in calculating various physical parameters (such as KCT, εCT, ΔGo, ID, RN, ECT, μEN and f) were also obtained through Benesi–Hildebrand equation. From these parameters it was observed that [(DMIH)+(PA)−] formation dependents on type of solvent used. 1:1 stoichiometry of [(DMIH)+(PA)−] was found by a straight-line method. Antimicrobial activity of the CT complex was demonstrated. Molecular docking study give us the information of binding of [(DMIH)+(PA)−] with B-DNA which has substantial application for drug designing.
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