metal-organic compounds
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In the title coordination polymer, [CuBr(C3H5N3S)]n, the CuI atom adopts a tetrahdral CuS2Br2 coordination geometry arising from two S-bonded 4-methyl-1H-1,2,4-triazole-3(4H)-thione ligands and two bromide ions. Both the S and Br atoms act as bridging ligands, connecting pairs of CuI atoms and generating chains propagating in [100]. Inter-chain N—HN hydrogen bonds generate layers in the ac plane. Weak intra-chain N—HBr interactions also occur.