catena-Poly[[[cis-aqua­bis(4-carboxy­cyclo­hexane-1-carboxyl­ato-[kappa]2O,O')cadmium(II)]-[mu]-4,4'-bipyridine-[kappa]2N:N] monohydrate]

The title complex, {[Cd(C8H11O4)2(C10H8N2)(H2O)]dotH2O}n, consists of linear chains formed through 4,4'-bipyridine ligands linking seven-coordinated CdII ions. Each CdII ion is in a distorted pentagonal-bipyramidal environment, coordinated by one water ligand, two 4-carboxycyclohexane-1-carboxy...

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Published inActa crystallographica. Section C, Crystal structure communications Vol. 62; no. 12; p. m612
Main Authors Yang, E, Rong-Qiang Zhuang, Chen, Jian-Xin
Format Journal Article
LanguageEnglish
Published Chester Wiley Subscription Services, Inc 01.12.2006
Subjects
Chemical compounds
Crystal structure
Hydrocarbons
Hydrogen bonds
Water
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Summary:The title complex, {[Cd(C8H11O4)2(C10H8N2)(H2O)]dotH2O}n, consists of linear chains formed through 4,4'-bipyridine ligands linking seven-coordinated CdII ions. Each CdII ion is in a distorted pentagonal-bipyramidal environment, coordinated by one water ligand, two 4-carboxycyclohexane-1-carboxylate ligands and one bridging 4,4'-bipyridine ligand to generate linear chains. The water molecules and the Cd atom on one side, and the 4,4'-bipyridine unit on the other, are bisected by two sets of twofold axes. The carboxylate group of the 4-carboxycyclohexane-1-carboxyl ligand chelates a CdII ion, while the (protonated) carboxyl group forms hydrogen bonds with adjacent chains, resulting in a layered structure. This is the first reported occurrence of a dicarboxycyclohexane ligand exhibiting a non-bridging coordination mode. [PUBLICATION ABSTRACT]
ISSN:0108-2701
1600-5759
DOI:10.1107/S0108270106046038