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What is it about?

The reaction of 5-bromo­salicyl­aldehyde thio­semicarbazone with nickel acetate tetra­hydrate and pyridine yielded the title compound, [Ni(C8H6BrN3OS)(C5H5N)]. The NiII 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-H...N inter­actions. In addition, mol­ecules are connected through inter­molecular Br...Br inter­actions [3.545 (1) Å], forming chains along the b-axis direction.

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Adriano Oliveira
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