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The molecules of the title compound, [Cu2Br4(C10H8N2O2)2], are centrosymmetric dimers. The CuII atom exhibits a distorted square-pyramidal coordination geometry, with two bridging bromide ligands and the N atoms of the 4,4′-dihydroxy-2,2′-bipyridine chelate in the equatorial plane. π–π stacking and hydrogen-bonding interactions of the O—H⋯Br, C—H⋯·Br and C—H⋯O types consolidate the crystal packing.
Rodriguez-Santiago, A. J., Acosta, C. & Raptis, R. G. (2016). IUCrData 1.
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