Abstract
In the trinuclear title compound, [Zn3Cl6(C13H20N4)2]·2H2O, each terminal ZnII atom is coordinated by an N3 donor set from the Schiff base ligands and two Cl atoms in a distorted square-pyramidal geometry. The central ZnII atom is tetrahedrally coordinated by two piperazine N atoms from two Schiff base ligands and two Cl atoms. The piperazine rings adopt chair conformations. In the crystal structure, adjacent complex molecules are linked into a three-dimensional network via N—H⋯O, C—H⋯Cl and C—H⋯O hydrogen bonds. The structure includes two water molecules, one of which is disordered over two positions with occupancies of 0.753 (15) and 0.247 (15).
Highlights
In the trinuclear title compound, [Zn3Cl6(C13H20N4)2]Á2H2O, each terminal ZnII atom is coordinated by an N3 donor set from the Schiff base ligands and two Cl atoms in a distorted square-pyramidal geometry
The central ZnII atom is tetrahedrally coordinated by two piperazine N atoms from two Schiff base ligands and two Cl atoms
Adjacent complex molecules are linked into a three-dimensional network via N—HÁ Á ÁO, C—HÁ Á ÁCl and C—HÁ Á ÁO hydrogen bonds
Summary
In the trinuclear title compound, [Zn3Cl6(C13H20N4)2]Á2H2O, each terminal ZnII atom is coordinated by an N3 donor set from the Schiff base ligands and two Cl atoms in a distorted square-pyramidal geometry. The central ZnII atom is tetrahedrally coordinated by two piperazine N atoms from two Schiff base ligands and two Cl atoms. Adjacent complex molecules are linked into a three-dimensional network via N—HÁ Á ÁO, C—HÁ Á ÁCl and C—HÁ Á ÁO hydrogen bonds. The structure includes two water molecules, one of which is disordered over two positions with occupancies of 0.753 (15) and 0.247 (15). For a description of the geometry of complexes with five-coordinate metal ions, see: Addison et al (1984)
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