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?-4,4'-Bipyridine-bis-[aqua-(4-hy-droxy-pyridine-2,6-dicarboxyl-ato)copper(II)].

ABSTRACT: The title compound, [Cu(2)(C(7)H(3)NO(5))(2)(C(10)H(8)N(2))(H(2)O)(2)], exhibits a centrosymmetric binuclear molecule. Each completely deprotonated 4-hy-droxy-pyridine-2,6-dicarb-oxy-lic acid mol-ecule assumes a tridentate chelating coordination mode. The square-pyramidal coordination geometry around the Cu(II) ion is completed by the bridging bipyridine ligand and an apical water molecule. Adjacent complexes are connected via O-H?O and C-H?O hydrogen bonds to generate a three-dimensional supra-molecular structure.

SUBMITTER: Chen XL

PROVIDER: S-EPMC3297272 | biostudies-literature | 2012 Mar

REPOSITORIES: biostudies-literature

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μ-4,4'-Bipyridine-bis-[aqua-(4-hy-droxy-pyridine-2,6-dicarboxyl-ato)copper(II)].

Chen Xiao-Li XL Qiao Ya-Li YL Gao Lou-Jun LJ Cui Hua-Li HL Zhang Mei-Li ML

Acta crystallographica. Section E, Structure reports online 20120224 Pt 3

The title compound, [Cu(2)(C(7)H(3)NO(5))(2)(C(10)H(8)N(2))(H(2)O)(2)], exhibits a centrosymmetric binuclear molecule. Each completely deprotonated 4-hy-droxy-pyridine-2,6-dicarb-oxy-lic acid mol-ecule assumes a tridentate chelating coordination mode. The square-pyramidal coordination geometry around the Cu(II) ion is completed by the bridging bipyridine ligand and an apical water molecule. Adjacent complexes are connected via O-H⋯O and C-H⋯O hydrogen bonds to generate a three-dimensional supra- ...[more]

PMID: 22412462

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Poly[di-?(2)-aqua-?(5)-(pyridine-2,6-dicarboxyl-ato)-?(3)-(pyridine-2,6-dicarboxyl-ato)-cobalt(II)disodium].

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Project description:In the title compound, [Cu(C(7)H(3)NO(4))(C(6)H(6)N(2)O)(H(2)O)], the coordination geometry of the Cu(II) atom can be described as distorted square pyramidal. The basal plane is defined by one N atom and two O atoms from the deprotonated pyridine-2,6-dicarboxyl-ate ligand, and a pyridyl N atom from the 4-pyridyl aldoxime ligand. The apical position is occupied by a water mol-ecule. O-H⋯O hydrogen bonds lead to the formation of a two-dimensional network.

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