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Key indicators: single-crystal X-ray study; T = 296 K; mean (C-C) = 0.006 Å; R factor = 0.034; wR factor = 0.094; data-to-parameter ratio = 12.9.In the centrosymmetric binuclear title compound, [Cu 2 Br 2 -(C 12 H 10 N 5 S) 2 ]Á2CH 3 OH, the Cu II ion adopts a slightly distorted square-pyramidal coordination geometry. The hydrazine carbothioamide moiety and one of the pyridyl rings together adopt an almost planar arrangement, with a maximum deviation of 0.052 (4) Å for the C atom of the thiourea moiety. There are two molecules of methanol solvent per complex in the asymmetric unit. The nonconventional intramolecular C-HÁ Á ÁBr hydrogen bonds make the molecule more rigid, whereas the conventional N-HÁ Á ÁN and O-HÁ Á ÁBr intermolecular hydrogen-bonding interactions, supported with N-HÁ Á Á interactions, establish a supramolecular linkage among the molecules in the crystal. An intermolecular C-HÁ Á ÁO interaction is also present. Related literature ExperimentalCrystal data