Abstract
A novel mixed ligand Ni(II) metal complex has been investigated for the modification in structural conformation, coordination bond, and noncovalent interactions. The novel Ni(II) metal complex [Ni(TFPB)2(1,10-Ph)(DMF)] has been synthesized and structurally characterized, which featured six coordination with three bidentate ligands connected through oxygen and nitrogen atoms. The single-crystal X-ray analysis showed that the compound possessed octahedral geometry and C-H…F, C-H…O, and π…π intermolecular interactions resulting in the formation of supramolecular architecture contributed significantly towards the crystal packing and molecular stability. Hirshfeld surface analysis was carried out to validate various intermolecular interactions. Further, the 3D structural topologies were visualized using energy framework analysis. To explore the coordination stability and chemically reactive parameters of the novel Ni(II) complex, the electronic structure was optimized using density functional theory calculations. The natural bond orbital analysis revealed the various hyperconjugative interactions exhibited by the complex. In addition, the complex was screened for in silico studies to understand the antitumoricidal potential of the novel Ni(II) complex. Molecular docking studies were also performed against three targeted proteins (PDB ID: 6H0W, 6NE5, and 6E91) to investigate the binding mode and protein–ligand interactions. These results are further analyzed by molecular dynamic simulation to confirm the best possible interactions and stability in the active site of the targeted proteins with a simulation period of 100 ns. Communicated by Ramaswamy H. Sarma
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