Insights into D4h@metal-symmetry single-molecule magnetism: the case of a dysprosium-bis(boryloxide) complex

Lewis R. Thomas-Hargreaves; David Hunger; Michal Kern; Ashley J. Wooles; Joris van Slageren; Nicholas F. Chilton; Stephen T. Liddle

doi:10.1039/D0CC07446B

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Insights into D_4h@metal-symmetry single-molecule magnetism: the case of a dysprosium-bis(boryloxide) complex†

Lewis R. Thomas-Hargreaves,

^a David Hunger,^b Michal Kern,^b Ashley J. Wooles,^a Joris van Slageren,

^b Nicholas F. Chilton

*^a and Stephen T. Liddle

*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry, The University of Manchester, Oxford Road, Manchester, UK
E-mail: steve.liddle@manchester.ac.uk, nicholas.chilton@manchester.ac.uk

^b Institute of Physical Chemistry, University of Stuttgart, Pfaffenwaldring 55, Stuttgart, Germany

Abstract

We report the synthesis of the lanthanide-(bis)boryloxide complex [Dy{OB(NArCH)₂}₂(THF)₄][BPh₄] (2Dy, Ar = 2,6-Prⁱ₂C₆H₃), with idealised D_4h@Dy(III) point-group symmetry. Complex 2Dy exhibits single-molecule magnetism (SMM), with one of the highest energy barriers (U_eff = 1565(298) K) of any six-coordinate lanthanide-SMM. Complex 2Dy validates electrostatic model predictions, informing the future design of lanthanide-SMMs.

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Article information

DOI: https://doi.org/10.1039/D0CC07446B
Article type: Communication
Submitted: 12 Nov 2020
Accepted: 11 Dec 2020
First published: 11 Dec 2020

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Chem. Commun., 2021,57, 733-736

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Insights into D_4h@metal-symmetry single-molecule magnetism: the case of a dysprosium-bis(boryloxide) complex

L. R. Thomas-Hargreaves, D. Hunger, M. Kern, A. J. Wooles, J. van Slageren, N. F. Chilton and S. T. Liddle, Chem. Commun., 2021, 57, 733 DOI: 10.1039/D0CC07446B

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Chemical Communications