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Examines a novel one-dimensional coordination polymer, catena-poly[[diaqua-cobalt(II)-mu-(2,2'-bipyridyl-3,3'-dicarboxylato-K[su p 4]N,N':O,O')]. Structural characteristics; Hydrothermal synthesis; Linear polymeric chains.

The title compound, [Ni(C8H6N2)3][Mo6O19], contains centrosymmetric [Mo6O19]2− hexamolybdate anions, which are built up from distorted MoO6 units by edge-sharing. The nickel atom in the [Ni(phen)3]2+ cation adopts distorted octahedral coordination with three N,N′-bidentate 1,10-phenanthroline (phen) ligands. The crystal packing is stabilized by some weak π–π stacking interactions between neighboring phen ligands, and some C—H⋯O interactions. The Ni atom occupies a special position with twofold symmetry. [ABSTRACT FROM AUTHOR]