Hexakis(dimethyl sulfoxide-κO)zincmer-aquatris(dimethyl sulfoxide-κO)(ethanol-κO)[octadecatungstodiphosphato(V)-κO]zincate(II)–dimethyl sulfoxide–ethanol–water (2/4/2/3)

Imen Hammami,Yassine Ghandour,Mohamed Salah Belkhiria

doi:10.1107/s2414314616004065

Imen Hammami, Yassine Ghandour + Show 1 more

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https://doi.org/10.1107/s2414314616004065

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Journal: IUCrData	Publication Date: Mar 18, 2016
License type: CC BY 2.0 UK

Affiliation: University of Monastir, University of Sousse

Abstract

In the title compound, [Zn(C2H6OS)6]2[Zn(α-P2W18O62)(C2H5OH)(C2H6OS)3(H2O)]·2C2H6OS·C2H5OH·1.5H2O, there are two types of ZnIIcomplex ions. In the [Zn(α-P2W18O62)(C2H5OH)(C2H6OS)3(H2O)]4−anion, the ZnIIcation is coordinated by a Wells–Dawson polyanion [α-P2W18O62]6−(POM)viaa terminal O atom, three dimethyl sulfoxide (DMSO) ligands, one ethanol ligand and one water ligand in a distorted octahedral geometry. The two independent [Zn(C2H6OS)6]2+cations exhibit similar distorted octahedral coordination spheres, and both ZnIIcations are coordinated by six DMSO ligands. The crystal packing is governed by extensive O—H...O hydrogen bonds and weak C—H...O hydrogen bonds, forming a three-dimensional supramolecular structure. The S atoms of some DMSO molecules are disordered over two positions with different site-occupancy ratios.

Highlights

In the title compound, [Zn(C2H6OS)6]2[Zn(-P2W18O62)(C2H5OH)(C2H6OS)3(H2O)]Á2C2H6OSÁC2H5OHÁ1.5H2O, there are two types of ZnII complex ions
In the [Zn(-P2W18O62)(C2H5OH)(C2H6OS)3(H2O)]4À anion, the ZnII cation is coordinated by a Wells–Dawson polyanion [-P2W18O62]6À (POM) via a terminal O atom, three dimethyl sulfoxide (DMSO) ligands, one ethanol ligand and one water ligand in a distorted octahedral geometry
The two independent [Zn(C2H6OS)6]2+ cations exhibit similar distorted octahedral coordination spheres, and both ZnII cations are coordinated by six DMSO ligands

Summary

Structure description

The title compound is based on a Wells–Dawson polyanion (-P2W18O62)6À (POM) and a zinc coordination complex, and could have catalytic properties (Dolbecq et al, 2010). The Zn1 and Zn3 ions exhibit similar octahedral coordination spheres defined by six O atoms from DMSO ligands. Terminal oxygen atom with a Zn2—O9 distance of 2.234 (8) A , three oxygen atoms from DMSO ligands with Zn2—O bond lengths of 2.061 (10) to 2.070 (10) A , one O atom from the ethanol ligand [2.114 (9) A ] and one O atom from the water molecule [2.052 (10) A ]; such coordination bond lengths

DÁ Á ÁA

Synthesis and crystallization

Data collection Diffractometer Absorption correction

Data collection

Special details