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Poly[[diaqua-(?(4)-l-tartrato)(?(2)-l-tartrato)dizinc(II)] tetra-hydrate].


ABSTRACT: In the title compound, {[Zn(C(4)H(4)O(6))(H(2)O)]·2H(2)O}(n), the l-tartrate ligands adopt ?(4)- and ?(2)-coordination modes. The Zn(II) atom adopts an octa-hedral geometry and is chelated by two kinds of l-tartrate ligands through the hydr-oxy and carboxyl-ate groups and coordinated by one unchelating carboxyl-ate O atom and one water mol-ecule. In the crystal, the l-tartrate ligands link the Zn(II) atoms, forming a two-dimensional coordination layer; these layers are futher linked into a three-dimensional supra-molecular network by O-H?O hydrogen bonds between the two-dimensional coordin-ation layers and the uncoordinated water mol-ecules. The latter are equally disordered over two positions.

SUBMITTER: Liu HT 

PROVIDER: S-EPMC2983975 | BioStudies | 2010-01-01T00:00:00Z

REPOSITORIES: biostudies

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