Journal
JOURNAL OF MOLECULAR STRUCTURE
Volume 1293, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.molstruc.2023.136314
Keywords
Manganese-beta-diketonate; Density functional theory; Non-covalent interaction (NCI) plot; Hirshfeld surface analysis; Molecular docking
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By conducting X-ray diffraction and DFT analysis, this study reveals that a simple room temperature stirring reaction of MnCl2 center dot 4H(2)O and 4,4,4-trifluoro-1-phenyl-1,3-butanedione (TFPBDH) produces yellow crystals of monomeric, square-planar Mn(TFPBD)2. ESI-MS analysis confirms the solution stability of Mn(TFPBD)2, which is further supported by FT-IR and UV-Vis analysis. Quantum theory analysis and molecular docking demonstrate the stable supramolecular architecture and the excellent binding affinity of Mn(TFPBD)2 towards penicillin-binding protein 2 and staphylococcal aureus FtsZ.
A simple room temperature stirring reaction of MnCl2 center dot 4H(2)O and 4,4,4-trifluoro-1-phenyl-1,3-butanedione (TFPBDH) afforded a yellow crystals of monomeric, square-planar Mn(TFPBD) 2 as revealed by single-crystal X-ray diffraction and DFT analysis (B3LYP/6-311+G(d,p)/LanL2DZ). ESI-MS analysis confirms the solution stability of Mn(TFPBD)(2) and further supported by FT-IR and UV-Vis analysis. Quantum theory of atoms in molecules (QTAIM) analysis, non-covalent interaction (NCI) plots, Hirshfeld surface (HS) analysis (CE-B3LYP/ 6-31G(d,p) were carried out to understand the C-H center dot center dot center dot F, C-H center dot center dot center dot pi and other intra- and intermolecular interactions prevails within the supramolecular architecture. Further, the molecular stability was assessed in terms of interaction energy (IE) calculations by constructing various energy frameworks through electrostatic, dispersion, polarization, and repulsion energies (total IE = -162.8 kJ mol(-1)). The in silico molecular docking demonstrates the binding affinity of Mn(TFPBD) 2 towards penicillin-binding protein 2, PBP2 (6G9S) and staphylococcal aureus FtsZ (4DXD) with an excellent binding score of -6.36 and -9.84 kcal/mol respectively.
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