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Open AccessArticle10.1107/s1600536809045310

Hexaaquacobalt(II) tetraaquabis(2-aminopyrazine-κ<i>N</i><sup>4</sup>)cobalt(II) disulfate dihydrate

Wei Kang,Li‐Hua Huo,Shan Gao,Seik Weng Ng-2009-11-03-Acta Crystallographica Section E Structure Reports Online

TL;DRAbstract

The reaction of cobalt(II) sulfate and 2-amino-pyrazine affords the title salt, [Co(H(2)O)(6)][Co(C(4)H(5)N(3))(2)(H(2)O)(4)](SO(4))(2)·2H(2)O. The metal atoms in the tetra-aqua-coordinated and hexa-aqua-coordinated complex cations lie on centers of inversion in slightly distorted octa-hedral geometries. The cations, anions and solvent water mol-ecules are linked by O-H⋯O, O-H⋯N and N-H⋯O hydrogen bonds into a three-dimensional network.

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The reaction of cobalt(II) sulfate and 2-amino-pyrazine affords the title salt, [Co(H(2)O)(6)][Co(C(4)H(5)N(3))(2)(H(2)O)(4)](SO(4))(2)·2H(2)O. The metal atoms in the tetra-aqua-coordinated and hexa-aqua-coordinated complex cations lie on centers of inversion in slightly distorted octa-hedral geometries. The cations, anions and solvent water mol-ecules are linked by O-H⋯O, O-H⋯N and N-H⋯O hydrogen bonds into a three-dimensional network.

Keywords

CobaltChemistryMedicinal chemistryInorganic chemistry

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