Encapsulation of a [Dy(OH2)8]3+ cation: magneto-optical and theoretical studies of a caged, emissive SMM

M. Al Hareri; E. L. Gavey; J. Regier; Z. Ras Ali; L. D. Carlos; R. A. S. Ferreira; M. Pilkington

doi:10.1039/C6CC03578G

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Encapsulation of a [Dy(OH₂)₈]³⁺ cation: magneto-optical and theoretical studies of a caged, emissive SMM†

M. Al Hareri,^a E. L. Gavey,^a J. Regier,^a Z. Ras Ali,^a L. D. Carlos,

^b R. A. S. Ferreira^b and M. Pilkington*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry, Brock University, 1812 Sir Isaac Way, St Catharines, Ontario, Canada
E-mail: mpilkington@brocku.ca

^b Physics Department and CICECO – Aveiro Institute of Materials, University of Aveiro, Aveiro, Portugal

Abstract

The first supramolecular cage formed by three benzo-15-crown-5 macrocycles encapsulating a [Dy(OH₂)₈]³⁺ guest cation is reported, with the Dy(III) centre exhibiting local pseudo square antiprismatic D_4d symmetry. The anisotropy barrier extracted from ac susceptibility studies, emission spectroscopy and ab initio calculations reveals that the second excited state Kramers doublet plays a key role in the magnetization dynamics due to the Ising character and near coparallel nature of the ground and first excited Kramers doublets.

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Article information

DOI: https://doi.org/10.1039/C6CC03578G
Article type: Communication
Submitted: 28 Apr 2016
Accepted: 14 Jul 2016
First published: 14 Jul 2016

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Chem. Commun., 2016,52, 11335-11338

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Encapsulation of a [Dy(OH₂)₈]³⁺ cation: magneto-optical and theoretical studies of a caged, emissive SMM

M. Al Hareri, E. L. Gavey, J. Regier, Z. Ras Ali, L. D. Carlos, R. A. S. Ferreira and M. Pilkington, Chem. Commun., 2016, 52, 11335 DOI: 10.1039/C6CC03578G

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