Acta Cryst. (2009). E65, m515-m516  [ doi:10.1107/S1600536809012859 ]

{6,6'-Diethoxy-2,2'-[2,2-dimethylpropane-1,3-diylbis(nitrilomethylidyne)]diphenolato}copper(II) monohydrate

H. Kargar, R. Kia, H.-K. Fun and A. Jamshidvand

Abstract: In the title complex, [Cu(C₂₃H₂₈N₂O₄)]·H₂O, the Cu^II ion has a distorted planar geometry, coordinated by the N₂O₂ unit of the tetradentate Schiff base ligand. The asymmetric unit comprises one complex molecule and a water molecule of crystallization. The water H atoms form bifurcated O-H(O,O) intermolecular hydrogen bonds with the O atoms of the phenolate and ethoxy groups with R₁²(5) and R₁²(6) ring motifs, which may, in part, influence the molecular configuration. The dihedral angle between the two O-Cu-N coordination planes is 31.02 (6)° and the dihedral angle between the two benzene rings is 34.98 (7)°. In the crystal structure, molecules are linked together by intermolecular C-HO interactions, forming extended chains along the a axis. The crystal structure is further stabilized by intermolecular C-H and - [centroid-centroid = 3.5068 (13) Å] interactions.

Online 10 April 2009

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