Acta Cryst. (2009). E65, m1396  [ doi:10.1107/S1600536809042056 ]

catena-Poly[[copper(II)-bis[-bis(3,5-dimethyl-1H-pyrazol-4-yl) selenide]] bis(perchlorate)]

M. Seredyuk, M. Haukka, V. A. Pavlenko and I. O. Fritsky

Abstract: In the title compound, {[Cu(C₁₀H₁₄N₄Se)₂](ClO₄)₂}_n, the Cu^II ion is located on a twofold rotation axis and has a tetragonally distorted square-planar geometry constituted by four N atoms. A pair of bis(3,5-dimethyl-1H-pyrazol-4-yl) selenide (L) ligands bridges the copper centers into a polymeric chain extending along [001]. The perchlorate anions are involved in intermolecular N-HO hydrogen bonding, which links the chains into layers parallel to the bc plane.

Online 23 October 2009

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