A thioether-decorated {Mn11Tb4} coordination cluster with slow magnetic relaxation

Sebastian Schmitz; Jan van Leusen; Arkady Ellern; Paul Kögerler; Kirill Yu. Monakhov

doi:10.1039/C5QI00172B

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A thioether-decorated {Mn₁₁Tb₄} coordination cluster with slow magnetic relaxation†

Sebastian Schmitz,^a Jan van Leusen,^a Arkady Ellern,^b Paul Kögerler

*^ac and Kirill Yu. Monakhov*^a

Author affiliations

* Corresponding authors

^a Institut für Anorganische Chemie, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany
E-mail: paul.koegerler@ac.rwth-aachen.de, kirill.monakhov@ac.rwth-aachen.de

^b Chemistry Department, Iowa State University, 1711 Gilman Hall, Ames, IA, USA

^c Jülich-Aachen Research Alliance (JARA-FIT) and Peter Grünberg Institute (PGI-6), Forschungszentrum Jülich, 52425 Jülich, Germany

Abstract

The oxidation reaction of manganese(II) acetate tetrahydrate with terbium(III) nitrate hexahydrate in acetonitrile in the presence of 4-(methylthio)benzoic acid (Hbza·SMe) afforded a polynuclear [Mn^III₁₁Tb^III₄O₉(OH)₅(bza·SMe)₁₈(NO₃)₂(H₂O)₆(OMe)₂] complex (1) with a {Mn₅Tb₂O₆}-bridged double-{TbMn₃O₄}-cubane structure. This antiferromagnetically coupled, neutral molecule is decorated in the periphery with structurally exposed thioether groups which can be used as anchors to metallic surfaces. Compound 1 is potentially a single-molecule magnet (SMM), exhibiting slow relaxation of the magnetisation up to 3 K. While 1 is not thermally stable, the coordination cluster remains stable in various Lewis base-type organic solvents like THF and acetone.

This article is part of the themed collection: Molecular Magnetism themed collection

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Article information

DOI: https://doi.org/10.1039/C5QI00172B
Article type: Research Article
Submitted: 04 sep 2015
Accepted: 13 okt 2015
First published: 13 okt 2015
This article is Open Access

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Inorg. Chem. Front., 2015,2, 1095-1100

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A thioether-decorated {Mn₁₁Tb₄} coordination cluster with slow magnetic relaxation

S. Schmitz, J. van Leusen, A. Ellern, P. Kögerler and K. Yu. Monakhov, Inorg. Chem. Front., 2015, 2, 1095 DOI: 10.1039/C5QI00172B

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