Acta Cryst. (2012). E68, m1138
[ doi:10.1107/S1600536812028917 ]

[1-(5-Bromo-2-oxidobenzylidene)thiosemicarbazidato-³O,N¹,S](pyridine-N)nickel(II)

F. R. S. Pederzolli, L. Bresolin, J. Beck, J. Daniels and A. B. de Oliveira

Abstract: The reaction of 5-bromosalicylaldehyde thiosemicarbazone with nickel acetate tetrahydrate and pyridine yielded the title compound, [Ni(C₈H₆BrN₃OS)(C₅H₅N)]. The Ni^II atom is four-coordinated in a square-planar environment by one deprotonated dianionic thiosemicarbazone ligand, acting in a tridentate chelating mode through N, O and S atoms forming two metalla-rings, and by one pyridine molecule. The complex molecules are linked into dimers by pairs of centrosymmetrical N-HN interactions. In addition, molecules are connected through intermolecular BrBr interactions [3.545 (1) Å], forming chains along the b-axis direction.

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