Abstract

A neutral complex, [bis(2,6-dimethyl-N-((thiophen-2-yl)methylene) benzenamine))]nickel(II) dibromide, has been synthesized and characterized. It was found that Ni(II) center is tetra-coordinated with two bromine atoms and two nitrogen atoms from two monodentate ligands. Single-crystal analysis revealed that supramolecular assembly is mainly maintained by weak non-conventional C–H⋯Br hydrogen bonding, π … π and C–H … π intercontacts. Additionally, Hirshfeld surfaces were applied to visualize intermolecular interactions and quantify their individual contribution in the crystal packing. DFT-based reactivity calculations estimated the studied system as strong electrophile and/or strong nucleophile in polar organic reactions. Moreover, most reactive sites were predicted theoretically based on molecular electrostatic potential approach.

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