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Acta Cryst. (2013). E69, m448-m449  [ doi:10.1107/S1600536813018485 ]

(2,2'-Bipyridine-[kappa]2N,N')tetrakis(dimethyl sulfoxide-[kappa]O)copper(II) bis(perchlorate)

T. Iskenderov

Abstract: The title compound, [Cu(C2H6OS)4(C10H8N2)](ClO4)2, contains a CuII ion with a distorted octahedral coordination environment, bonded by four O atoms of the monodentate dimethyl sulfoxide ligands and two N atoms of the bidentate chelating 2,2'-bipyridine ligand. The equatorial Cu-N and Cu-O bond lengths are in the range 1.979 (2)-1.998 (3) Å. The axial Cu-O bond distances are 2.365 (2) and 2.394 (2) Å. In the crystal, the complex cations and perchlorate anions are connected by numerous C-H...O hydrogen bonds, which leads to additional stabilization of the structure. The perchlorate anion is disordered over two sets of sites with a 0.716 (3):0.284 (3) occupancy ratio.

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