Issue 2, 2011
From the journal:

CrystEngComm

Self-assembly of dilacunary building blocks into high-nuclear [Ln16As16W164O576(OH)8(H2O)42]80− (Ln = EuIII, GdIII, TbIII, DyIII, and HoIII) polyoxotungstates†

Firasat Hussain*a  and  Greta R. Patzke*a  

* Corresponding authors

a Institute of Inorganic Chemistry, University of Zurich, Winterthurerstrasse 190, Zurich, Switzerland
E-mail: greta.patzke@aci.uzh.ch, firasat.hussain@aci.uzh.ch
Fax: +41 44 635 6802
Tel: +41 44 635 4691

Abstract

A new family of [Ln16As16W164O576(OH)8(H2O)42]80− (Ln = EuIII, GdIII, TbIII, DyIII, and HoIII) nanoclusters has been synthesized from a self-assembly process in solution. The novel macroanion is constituted of two identical sub-units with the formula [Gd8As8W82O288(OH)4(H2O)21]40− and it was obtained from the versatile building block [As2W19O67(H2O)]14− in combination with mid to late lanthanoid cations. All compounds have been structurally characterized and the magnetic properties of the Gd-containing member of the series have been investigated. The novel macroanion represents the largest polyoxotungstate reported to date and the influence of the templating cations on the molecular architecture is discussed. Furthermore, the spectrum of lanthanide linkers for the construction of large polyoxotungstates has been amplified in the present approach.

Graphical abstract: Self-assembly of dilacunary building blocks into high-nuclear [Ln16As16W164O576(OH)8(H2O)42]80− (Ln = EuIII, GdIII, TbIII, DyIII, and HoIII) polyoxotungstates

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Article information

DOI
https://doi.org/10.1039/C003489D
Article type
Paper
Submitted
24 Feb 2010
Accepted
04 Aug 2010
First published
14 Sep 2010

CrystEngComm, 2011,13, 530-536

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Self-assembly of dilacunary building blocks into high-nuclear [Ln16As16W164O576(OH)8(H2O)42]80− (Ln = EuIII, GdIII, TbIII, DyIII, and HoIII) polyoxotungstates

F. Hussain and G. R. Patzke, CrystEngComm, 2011, 13, 530 DOI: 10.1039/C003489D

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