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Catena-Poly[[tetra-aqua-cobalt(II)]-?-2,2'-dihydroxy-5,5'-diazenediyldibenzoato].

ABSTRACT: In the title compound, [Co(C(14)H(8)N(2)O(6))(H(2)O)(4)](n), each 5,5'-diazenediylbis(2-hydroxy-benzoato) ligand acts as a dicarboxyl-ate bridge, leading to the formation of polymeric chains running in the [10] direction. The Co atom is hexa-coordinated in a distorted octa-hedral geometry by six O atoms [Co-O = 2.039?(4)-2.115?(4)?Å] from two ligands and four water mol-ecules. Inter-molecular O-H?O and O-H?N hydrogen bonds build up a three-dimensional supra-molecular structure.

SUBMITTER: Tan YH

PROVIDER: S-EPMC2960221 | biostudies-literature | 2008 Jan

REPOSITORIES: biostudies-literature

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catena-Poly[[tetra-aqua-cobalt(II)]-μ-2,2'-dihydroxy-5,5'-diazenediyldibenzoato].

Tan Yu-Hui YH Li Yin-Bao YB Ji Fa-Ming FM Xiong Ting-Ting TT Xia Li-Bin LB

Acta crystallographica. Section E, Structure reports online 20080104 Pt 2

In the title compound, [Co(C(14)H(8)N(2)O(6))(H(2)O)(4)](n), each 5,5'-diazenediylbis(2-hydroxy-benzoato) ligand acts as a dicarboxyl-ate bridge, leading to the formation of polymeric chains running in the [10] direction. The Co atom is hexa-coordinated in a distorted octa-hedral geometry by six O atoms [Co-O = 2.039 (4)-2.115 (4) Å] from two ligands and four water mol-ecules. Inter-molecular O-H⋯O and O-H⋯N hydrogen bonds build up a three-dimensional supra-molecular structure. ...[more]

PMID: 21201257

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Project description:In the title compound, [Zn(C(14)H(8)N(2)O(6))(H(2)O)(4)](n), the 2,2'-dihydr-oxy-5,5'-diazenediyldibenzoate ligand acts as a carboxyl-ate bridge, leading to the formation of a polymeric chain running along the [10] direction. The Zn(II) atom is hexa-coordinated in a distorted octa-hedral geometry by six O atoms [Zn-O = 2.055?(4)-2.132?(3)?Å] from two carboxylate ligands and four water mol-ecules. The crystal packing is stabilized by inter-molecular O-H?O, O-H?N and C-H?O hydrogen bonds, and two ?-? inter-actions. The centroid-centroid distances are 3.803?(16) and 3.804?(17)?Å.

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