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Acta Cryst. (2013). E69, m323-m324
[ doi:10.1107/S1600536813013032 ]


T.-J. Khoo, M. K. bin Break, M. I. M. Tahir, K. A. Krouse, A. R. Cowley and D. J. Watkin

Abstract: The title compound, [Ni(C13H11N4S2)2], was obtained by the reaction of S-2-picolyldithiocarbazate and pyridine-2-carbaldehyde with nickel(II) acetate. The NiII atom is located on a twofold rotation axis and is bonded to four N atoms at distances of 2.037 (8) and 2.109 (9) Å, and to two S atoms at a distance of 2.406 (3) Å, leading to a distorted octahedral coordination. The angle between the mean planes of the coordinating moieties of the two symmetry-related tridentate ligands is 83.3 (2)°. In the crystal, complex molecules are linked by weak C-H...S hydrogen bonds, [pi]-[pi] interactions between the pyridine rings [centroid-centroid distance = 3.775 (9) Å] and C-H...[pi] interactions. The hydrogen-bonding interactions lead to the formation of layers parallel to (010); [pi]-[pi] interactions link these layers into a three-dimensional network.

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