New heterometallic [MnIII4LnIII4] wheels incorporating formate ligands

Mengyuan Li; Ayuk M. Ako; Yanhua Lan; Wolfgang Wernsdorfer; Gernot Buth; Christopher E. Anson; Annie K. Powell; Zheming Wang; Song Gao

doi:10.1039/C000854K

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New heterometallic [Mn^III₄Ln^III₄] wheels incorporating formate ligands†

Mengyuan Li,^ab Ayuk M. Ako,^ac Yanhua Lan,^a Wolfgang Wernsdorfer,^d Gernot Buth,^e Christopher E. Anson,^a Annie K. Powell,*^ac Zheming Wang*^b and Song Gao*^b

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* Corresponding authors

^a Institut für Anorganische Chemie der Universität Karlsruhe, Engessserstr. 15, Karlsruhe Institute for Technologie, Germany
E-mail: annie.powell@kit.edu
Fax: +49-721-608-8142
Tel: +49-721-608-2135

^b Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
E-mail: zmw@pku.edu.cn, gaosong@pku.edu.cn
Fax: 86-10-62751708

^c Institute for Nanotechnology, Forschungszentrum Karlsruhe, Karlsruhe Institute of Technology, Postfach 3640, Germany

^d Institut Néel CNRS, BP 166, 25 av. des Martyrs, France

^e Institut für Synchrotron Strahlung (ISS), FZK, Karlsruhe Institute of Technology, Postfach 3640, Germany

Abstract

Two heteroctanuclear wheel complexes with an eight-membered saddle-like ring of [Mn^III₄Ln^III₄] (Ln = Dy, Gd), prepared by employing formates as key carboxylate bridges, exhibit antiferromagnetic interactions between Mn^III and Ln^III centers, and the wheel containing anisotropic Dy^III ions shows SMM behaviour.

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Article information

DOI: https://doi.org/10.1039/C000854K
Article type: Communication
Submitted: 21 Oct 2009
Accepted: 09 Feb 2010
First published: 26 Feb 2010

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Dalton Trans., 2010,39, 3375-3377

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New heterometallic [Mn^III₄Ln^III₄] wheels incorporating formate ligands

M. Li, A. M. Ako, Y. Lan, W. Wernsdorfer, G. Buth, C. E. Anson, A. K. Powell, Z. Wang and S. Gao, Dalton Trans., 2010, 39, 3375 DOI: 10.1039/C000854K

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Dalton Transactions