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Diaqua-bis(5-carb-oxy-1H-pyrazole-3-carboxyl-ato-?N,O)cobalt(II) dihydrate.

ABSTRACT: In the title complex, [Co(C(5)H(3)N(2)O(4))(2)(H(2)O)(2)]·2H(2)O, the Co(II) ion lies on an inversion center and is coordinated in a distorted octa-hedral environment. In the crystal structure, complex and water mol-ecules are linked into a three-dimensional network by O-H?O and N-H?O hydrogen bonds.

SUBMITTER: Xie HD

PROVIDER: S-EPMC2977339 | biostudies-literature | 2009

REPOSITORIES: biostudies-literature

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Diaqua-bis(5-carb-oxy-1H-pyrazole-3-carboxyl-ato-κN,O)cobalt(II) dihydrate.

Xie Hui-Dong HD Jin Li L Xie Cheng-Zhi CZ

Acta crystallographica. Section E, Structure reports online 20090731 Pt 8

In the title complex, [Co(C(5)H(3)N(2)O(4))(2)(H(2)O)(2)]·2H(2)O, the Co(II) ion lies on an inversion center and is coordinated in a distorted octa-hedral environment. In the crystal structure, complex and water mol-ecules are linked into a three-dimensional network by O-H⋯O and N-H⋯O hydrogen bonds. ...[more]

PMID: 21583307

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Project description:In the crystal structure of the title compound, [Zn(C(7)H(7)N(2)O(4))(2)(H(2)O)(2)]·3H(2)O, the Zn(II) ion, located an inversion center, is N,O-chelated by two 5-carb-oxy-2-ethyl-1H-imidazole-4-carboxyl-ate anions and further coordinated by two water mol-ecules in a distorted octa-hedral geometry. The carb-oxy group links with the carboxyl-ate group of the same ligand via an intra-molecular O-H?O hydrogen bond. An extensive inter-molecular N-H?O and O-H?O hydrogen-bonded network exists in the crystal structure. One disordered lattice water mol-ecule is half-occupied and is located close to an inversion center.

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