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Acta Cryst. (2013). E69, m383  [ doi:10.1107/S1600536813015882 ]

Poly[bis{[mu]-N'-[(pyridin-4-yl)methylidene]benzohydrazidato}copper(II)]

Q. Wu, D.-C. Chen, C.-Y. Wu, C.-X. Yan and J.-Z. Liao

Abstract: In the title complex, [Cu(C13H10N3O)2]n, the copper(II) cation is located on a crystallographic inversion centre and adopts an elongated octahedral coordination geometry with the equatorial plane provided by trans-arranged bis-N,O-chelating acylhydrazine groups from two ligands and the apices by the N atoms of two pyridine rings belonging to symmetry-related ligands. The ligand adopts a Z conformation about the C=N double bond. The dihedral angle between the pyridine and phenyl rings is 2.99 (13)°. An intraligand C-H...N hydrogen bond is observed. In the crystal, each ligand bridges two adjacent metal ions, forming a (4,4) grid layered structure. [pi]-[pi] stacking interactions [centroid-centroid distances in the range 3.569 (4)-3.584 (9) Å] involving rings of adjacent layers result in the formation of a three-dimensional supramolecular network.


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