Direct characterisation of mJ = ±15/2 ground state in octahedral Dy(III) single-molecule magnets

Vijay S. Parmar; Gemma K. Gransbury; Sophie C. Corner; Wei-Hao Chou; Stephen Hill; Richard E. P. Winpenny; Nicholas F. Chilton; David P. Mills

doi:10.1039/D5DT00862J

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Direct characterisation of m_J = ±15/2 ground state in octahedral Dy(iii) single-molecule magnets†

Vijay S. Parmar,

‡^a Gemma K. Gransbury,

‡^a Sophie C. Corner,^a Wei-Hao Chou,^bc Stephen Hill,

^bcd Richard E. P. Winpenny,

^a Nicholas F. Chilton

*^ae and David P. Mills

*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry, School of Natural Sciences, The University of Manchester, Oxford Road, Manchester, UK
E-mail: david.mills@manchester.ac.uk

^b National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL 32310, USA

^c Department of Physics, Florida State University, Tallahassee, FL 32306, USA

^d Department of Chemistry and Biochemistry, Florida State University, Tallahassee, FL 32306, USA

^e Research School of Chemistry, The Australian National University, Canberra, ACT, Australia
E-mail: nicholas.chilton@anu.edu.au

Abstract

Two heteroleptic octahedral Dy(III) cis-aryloxide complexes, [Dy(OPh*)₂(THF)₃X] {HOPh* = 2,6-bis(diphenyl-methyl)-4-tert-butylphenol; X = Cl (1), Br (2)}, have been characterised by multi-frequency electron paramagnetic resonance (EPR) spectroscopy to determine g_z = 18.9(1) for 1 and 18.3(6) for 2. These are rare examples of Dy(III) single-molecule magnets that have observable EPR spectra.

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Article information

DOI: https://doi.org/10.1039/D5DT00862J
Article type: Communication
Submitted: 11 Apr 2025
Accepted: 17 Apr 2025
First published: 17 Apr 2025
This article is Open Access

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Dalton Trans., 2025,54, 7616-7620

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Direct characterisation of m_J = ±15/2 ground state in octahedral Dy(III) single-molecule magnets

V. S. Parmar, G. K. Gransbury, S. C. Corner, W. Chou, S. Hill, R. E. P. Winpenny, N. F. Chilton and D. P. Mills, Dalton Trans., 2025, 54, 7616 DOI: 10.1039/D5DT00862J

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