Single-ion magnet behaviour in [U(TpMe2)2I]

Joana T. Coutinho; Maria A. Antunes; Laura C. J. Pereira; Hélène Bolvin; Joaquim Marçalo; Marinella Mazzanti; Manuel Almeida

doi:10.1039/C2DT31421E

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Single-ion magnet behaviour in [U(Tp^Me2)₂I]†

Joana T. Coutinho,^a Maria A. Antunes,^a Laura C. J. Pereira,^a Hélène Bolvin,^b Joaquim Marçalo,^a Marinella Mazzanti^c and Manuel Almeida*^a

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* Corresponding authors

^a Unidade de Ciências Químicas e Radiofarmacêuticas, IST/ITN, Instituto Superior Técnico/CFMCUL, P-2686-953 Sacavém, Portugal
E-mail: malmeida@itn.pt
Fax: +351 219550117
Tel: +351 219946171

^b Laboratoire de Chimie et de Physique Quantiques – IRSAMC, Université de Toulouse 3, 118 Route de Narbonne, F-31400 Toulouse, France

^c Laboratoire de Reconnaissance Ionique et Chimie de Coordination, Service de Chimie Inorganique et Biologique, UMR-E 3 CEA/UJF, FRE3200 CNRS, INAC, CEA-Grenoble, F-38054 Grenoble Cedex 09, France

Abstract

[U(Tp^Me2)₂I] exhibits at low temperatures single molecule magnet (SMM) behaviour comparable to its bipyridine derivative and related single ion U(III) complexes recently reported as SMMs. The trend of variation of the energy barrier for the magnetic relaxation in these compounds is well reproduced by quantum chemistry calculations.

This article is part of the themed collection: Frontier and Perspectives in Molecule-Based Quantum Magnet

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Article information

DOI: https://doi.org/10.1039/C2DT31421E
Article type: Communication
Submitted: 01 Jul 2012
Accepted: 26 Jul 2012
First published: 30 Jul 2012

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Dalton Trans., 2012,41, 13568-13571

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Single-ion magnet behaviour in [U(Tp^Me2)₂I]

J. T. Coutinho, M. A. Antunes, L. C. J. Pereira, H. Bolvin, J. Marçalo, M. Mazzanti and M. Almeida, Dalton Trans., 2012, 41, 13568 DOI: 10.1039/C2DT31421E

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Dalton Transactions