Encapsulation of a {Cu16} cluster containing four [Cu4O4] cubanes within an isopolyoxometalate {W44} cluster

Caihong Zhan; Christoph Busche; De-Liang Long; Pedro I. Molina; Ross S. Winter; Leroy Cronin

doi:10.1039/C7CC03544F

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Encapsulation of a {Cu₁₆} cluster containing four [Cu₄O₄] cubanes within an isopolyoxometalate {W₄₄} cluster†

Caihong Zhan,^a Christoph Busche,^a De-Liang Long,

^a Pedro I. Molina,

^a Ross S. Winter^a and Leroy Cronin

*^a

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* Corresponding authors

^a WestCHEM, School of Chemistry, The University of Glasgow, Glasgow, UK
E-mail: Lee.Cronin@glasgow.ac.uk
Web: http://www.croninlab.com
Fax: +44 (0)141-330-4888
Tel: +44 (0)141-330-6650

Abstract

We report a {Cu₁₆} embedded within a {W₄₄} cluster containing four cubane-like [Cu₄O₄] units within an isopolyoxotungstate (isoPOT) in a {Na₄Cu₄[(H₂W₁₁O₃₈) (CH₃COO)(OH)₃]}₄·88H₂O (1) and a polyanion Cu-linked {W₁₁} chain Na₆Cu₂[(H₂W₁₁O₃₈)(CH₃COO)(OH)]·26H₂O (2). Electronically, the redox properties show that both compounds 1 and 2 undergo irreversible reductions resulting in the demetalation of the compounds, whilst the magnetic behavior of 1 and 2 shows a weak antiferromagnetic and a stronger ferromagnetic coupling, respectively.

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DOI: https://doi.org/10.1039/C7CC03544F
Article type: Communication
Submitted: 08 May 2017
Accepted: 08 Jun 2017
First published: 08 Jun 2017
This article is Open Access

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Chem. Commun., 2017,53, 7076-7079

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Encapsulation of a {Cu₁₆} cluster containing four [Cu₄O₄] cubanes within an isopolyoxometalate {W₄₄} cluster

C. Zhan, C. Busche, D. Long, P. I. Molina, R. S. Winter and L. Cronin, Chem. Commun., 2017, 53, 7076 DOI: 10.1039/C7CC03544F

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