Acta Cryst. (2004). E60, m1659-m1661  [ doi:10.1107/S1600536804025541 ]

Bis(-2-aminoethanesulfonato)-³N,O:O';³O':N,O-bis[(bipyridine-²N,N')(perchlorato-O)copper(II)]

J.-H. Cai, Y.-M. Jiang, X.-J. Wang and Z.-M. Liu

Abstract: The dimeric molecule of the hydrothermally synthesized binuclear complex [Cu₂(C₂H₆NO₃S)₂(ClO₄)₂(C₁₀H₈N₂)₂], a tauride complex, occupies a special position on an inversion centre. The Cu atom has a severely distorted octahedral coordination, with four short and two substantially longer bonds. The four short bonds involve two bipyridine and one taurine N atoms [Cu-N_bipyridine = 1.990 (3) and 2.025 (3) Å, Cu-N_taurine = 1.992 (3) Å] as well as one of the taurine O atoms [Cu-O = 1.964 (3) Å]. The second taurine O atom belonging to the second bridging molecule forms a much longer Cu-O bond [2.363 (4) Å], and the perchlorate O atom participates in the longest Cu-O bond [2.675 (3) Å]. The molecules are linked via N-HO bonds into infinite chains running along the a axis of the crystal structure.

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