Computational Chemistry Approach for the Investigation of Structural, Electronic, Chemical and Quantum Chemical Facets of Twelve Biginelli Adducts

Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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JR_JAOC-1-1_005

تاریخ نمایه سازی: 6 آذر 1400

Abstract:

The rising concerns about the Biginelli reaction are mainly attributable to the therapeutic and pharmacological features of Biginelli adducts, especially dihydropyrimidinones (DHPMs). The DFT framework could be used to explore molecular properties such as molecular structures, molecular energies, ionisation potentials, dipole moments, and electronic parameters. It also contributes to the correlative analysis of theoretical and experimental findings through providing valuable perspectives. Using density functional theory (DFT) at the ۶-۳۱۱++G(d,p) basis set, twelve Biginelli adducts were focused to ascertain various structural and chemical parameters. The important structural parameters such as optimized molecular structures, frontier molecular orbital (FMO) analysis, and molecular electrostatic potential analysis were addressed in the present report. In addition, different quantum chemical parameters have been calculated to gain a deeper comprehension of the molecules' synthetic reactivity. The FMO and quantum chemical exploration revealed that BA۷ molecule has a lower HOMO-LUMO energy gap, indicating that charge transfer interactions are inevitable within the molecule. The BA۷ molecule was also found to have a higher global softness value than the other derivatives. The absolute hardness of the BA۶ molecule, on the other hand, is higher. With a value of ۲.۳۲۲۸ eV, the BA۳ molecule was revealed to have the highest charge transfer.

Authors

Vishnu Adole

PG Department of Chemistry, Mahatma Gandhi Vidyamandir’s Arts, Science and Commerce College, Manmad, Taluka-Nandgaon, District- Nashik, India-۴۲۳۱۰۴.

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