Bis[N-2-hydroxyethyl,N-methyldithiocarbamato-κ2 S,S)’-4-{[(pyridin-4-ylmethylidene)hydrazinylidene}methyl]pyridine-κN 1)zinc(II): crystal structure and Hirshfeld surface analysis
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چکیده
In the title compound, [Zn(C4H8NOS2)2(C12H10N4)], the ZnII atom exists within a NS4 donor set defined by two chelating di-thio-carbamate ligands and a pyridyl-N atom derived from a terminally bound 4-pyridine-aldazine ligand. The distorted coordination geometry tends towards square-pyramidal with the pyridyl-N atom occupying the apical position. In the crystal, hydroxyl-O-H⋯O(hydrox-yl) and hydroxyl-O-H⋯N(pyrid-yl) hydrogen-bonding give rise to a supra-molecular double-chain along [1-10]; methyl-C-H⋯π(chelate ring) inter-actions help to consolidate the chain. The chains are connected into a three-dimensional architecture via pyridyl-C-H⋯O(hydrox-yl) inter-actions. In addition to the contacts mentioned above, the Hirshfeld surface analysis points to the significance of relatively weak π-π inter-actions between pyridyl rings [inter-centroid distance = 3.901 (3) Å].
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