metal-organic compounds
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In the title compound, [Ni(C8H14N6S2)], the NiII ion is coordinated by N2S2 donor atoms of the tetradentate thiosemicarbazone ligand, and has a slightly distorted square-planar geometry. In the crystal, inversion-related molecules are linked via pairs of N—HN and N—HS hydrogen bonds, forming R22(8) ring motifs. Molecules are further linked by slightly weaker N—HN, N—HS and C—HS hydrogen bonds, forming two-dimensional networks which lie parallel to the bc plane.