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Acta Cryst. (2009). E65, m712-m713 [ doi:10.1107/S1600536809020157 ]
![[kappa]](/logos/entities/kappa_rmgif.gif)
O)bis(![[mu]](/logos/entities/mu_rmgif.gif)
3-quinolin-8-olato-4N,O:O:O)tetrakis(2-quinolin-8-olato-3N,O:O)tetrazinc(II) dihydrateAbstract: In the centrosymmetric title compound, [Zn4(C9H6NO)6(C2H3O2)2]·2H2O, the ZnII atom that is bonded to one O atom of the acetate group is chelated by a quinolin-8-olate anion. This Zn atom is also bonded to the oxide O atoms of two other quinolin-8-olate anions, which themselves engage in chelation to the other ZnII atoms. The ZnII atom is five-coordinate in a square-pyramidal coordination geometry. The second ZnII atom is six-coordinate as it is linked to two oxide O atoms of the anions that chelate to the acetate-bound metal atom, and is chelated by two quinolin-8-olate ligands. The uncoordinated water molecule is disordered over two positions in a 4:1 ratio. O-H
O hydrogen bonds between the water molecules and the free O atoms of the carboxylate groups consolidate the crystal packing.
Online 6 June 2009
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