(IUCr) Crystallography Journals Online

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Acta Cryst. (2008). E64, m432-m433 [ doi:10.1107/S1600536808002675 ]

catena-Poly[[[trans-diaquabis(pyridine-N)cobalt(II)]--(4-{N'-[1-(3-acetyl-4-methyl-1H-pyrazol-5-yl)ethylidene]hydrazino}benzoato-³O:N,N')-[bis(pyridine-N)cobalt(III)]--(4-{N'-[1-(3-acetyl-4-methyl-1H-pyrazol-5-yl)ethylidene]hydrazino}benzoato-³N,N':O)]perchlorate 3.66-hydrate]

L. Penkova, M. P. Azarkh, M. Haukka, F. Meyer and I. O. Fritsky

Abstract: The title compound, {[Co₂(C₁₅H₁₄N₄O₃)₂(C₅H₅N)₄(H₂O)₂]ClO₄·3.66H₂O}_n, is a one-dimensional coordination polymer, with both Co^II and Co^III centres in its structure. The ligand environment surrounding Co^III is formed by two N,N-chelating pyrazole-containing ligands and two pyridine molecules in axial positions. The high-spin Co^II ions, situated at crystallographic centres of inversion, exhibit a distorted octahedral coordination mode. The ClO₄^- anion is linked to the polymer chain via hydrogen bonds. The chains are connected by hydrogen bonds to produce a three-dimensional structure.

catena-Poly[[[trans-diaquabis(pyridine-N)cobalt(II)]--(4-{N'-[1-(3-acetyl-4-methyl-1H-pyrazol-5-yl)ethylidene]hydrazino}benzoato-3O:N,N')-[bis(pyridine-N)cobalt(III)]--(4-{N'-[1-(3-acetyl-4-methyl-1H-pyrazol-5-yl)ethylidene]hydrazino}benzoato-3N,N':O)]perchlorate 3.66-hydrate]

L. Penkova, M. P. Azarkh, M. Haukka, F. Meyer and I. O. Fritsky

catena-Poly[[[trans-diaquabis(pyridine-N)cobalt(II)]--(4-{N'-[1-(3-acetyl-4-methyl-1H-pyrazol-5-yl)ethylidene]hydrazino}benzoato-³O:N,N')-[bis(pyridine-N)cobalt(III)]--(4-{N'-[1-(3-acetyl-4-methyl-1H-pyrazol-5-yl)ethylidene]hydrazino}benzoato-³N,N':O)]perchlorate 3.66-hydrate]