Abstract
The title compound, {[Co2(C15H14N4O3)2(C5H5N)4(H2O)2]ClO4·3.66H2O}n, is a one-dimensional coordination polymer, with both CoII and CoIII centres in its structure. The ligand environment surrounding CoIII is formed by two N,N-chelating pyrazole-containing ligands and two pyridine molecules in axial positions. The high-spin CoII 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.
Highlights
The title compound, {[Co2(C15H14N4O3)2(C5H5N)4(H2O)2]ClO4Á3.66H2O}n, is a one-dimensional coordination polymer, with both CoII and CoIII centres in its structure
The ClO4À anion is linked to the polymer chain via hydrogen bonds
The chains are connected by hydrogen bonds to produce a three-dimensional structure
Summary
Azarkh,a Matti Haukka,b Franc Meyerc and Igor O. Key indicators: single-crystal X-ray study; T = 120 K; mean (C–C) = 0.005 A; Hatom completeness 95%; disorder in solvent or counterion; R factor = 0.046; wR factor = 0.125; data-to-parameter ratio = 12.9. The title compound, {[Co2(C15H14N4O3)2(C5H5N)4(H2O)2]ClO4Á3.66H2O}n, is a one-dimensional coordination polymer, with both CoII and CoIII centres in its structure. The ligand environment surrounding CoIII is formed by two N,Nchelating pyrazole-containing ligands and two pyridine molecules in axial positions. The high-spin CoII ions, situated at crystallographic centres of inversion, exhibit a distorted octahedral coordination mode. The ClO4À anion is linked to the polymer chain via hydrogen bonds. The chains are connected by hydrogen bonds to produce a three-dimensional structure
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