Abstract
A red block-shaped crystal of the title compound, [Co(HCOO)2(C12H10N4)2]n, was obtained by the reaction of cobalt(II) nitrate hexahydrate, formic acid and 1,1′-(1,4-phenylene)bis(1H-imidazole) (bib) molecules. The asymmetric unit consists of one CoII cation, one formate ligand and two halves of a bib ligand. The central CoII cation, located on an inversion centre, is coordinated by two carboxylate O atoms and four N atoms from bib ligands, completing an octahedral coordination geometry. The CoII centres are bridged by bib ligands, giving a two-dimensional net. Topologically, taking the CoII atoms as nodes and the bib ligands as linkers, the two-dimensional structure can be simplified as a typical sql/Shubnikov tetragonal plane network. The structure features C—H⋯O hydrogen-bonding interactions between formate and bib ligands, resulting in a three-dimensional supramolecular network.
Highlights
A red block-shaped crystal of the title compound, [Co(HCOO)2(C12H10N4)2]n, was obtained by the reaction of cobalt(II) nitrate hexahydrate, formic acid and 1,10-(1,4phenylene)bis(1H-imidazole) molecules
The asymmetric unit consists of one CoII cation, one formate ligand and two halves of a bib ligand
The CoII centres are bridged by bib ligands, giving a two-dimensional net
Summary
A red block-shaped crystal of the title compound, [Co(HCOO)2(C12H10N4)2]n, was obtained by the reaction of cobalt(II) nitrate hexahydrate, formic acid and 1,10-(1,4phenylene)bis(1H-imidazole) (bib) molecules. Guo-Wang Xu,a Ye-Nan Wang,b Hong-Xu Xiac and Zhong-Long Wanga* ACollege of Science, China Three Gorges University, Yichang 443002, People’s Republic of China, bCollege of Mechanical and Power Engineering, China Three Gorges University, YiChang 443002, People’s Republic of China, and cCollege of Materials and Chemical Engineering, China Three Gorges University, YiChang 443002, People’s Republic of China.
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