Slow relaxation of magnetization in a {Fe6Dy} complex deriving from a family of highly symmetric metallacryptands

Angeliki A. Athanasopoulou; Luca M. Carrella; Eva Rentschler

doi:10.1039/C9DT00552H

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Slow relaxation of magnetization in a {Fe₆Dy} complex deriving from a family of highly symmetric metallacryptands†

Angeliki A. Athanasopoulou,

^ab Luca M. Carrella^a and Eva Rentschler

*^a

Author affiliations

* Corresponding authors

^a Institute of Inorganic and Analytical Chemistry, Johannes Gutenberg University Mainz, Duesbergweg 10-14, D-55128 Mainz, Germany
E-mail: rentschl@uni-mainz.de

^b Graduate School Materials Science in Mainz, Staudinger Weg 9, D-55128 Mainz, Germany

Abstract

The synthesis and characterization of a new family of isostructural {Fe₆Ln} complexes, (pipH)₃{Fe₆Ln(shiH)₃(shi)₆}·1.5 pip·xH₂O (Ln = Gd (1), Dy (2), Tb (3) and Y (4), pip = piperidine, and shi³⁻ = salicylhydroxamic acid) is reported. The resulting compounds possess an exceptionally unique structure of a metallacrown-like motif while the overall complexes feature more the structure of metallacryptates. Magnetic studies are reported and reveal that the {Fe₆Dy} analogue belongs to the single-molecule magnet (SMM) family.

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Article information

DOI: https://doi.org/10.1039/C9DT00552H
Article type: Communication
Submitted: 04 Feb 2019
Accepted: 12 Mar 2019
First published: 12 Mar 2019

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Dalton Trans., 2019,48, 4779-4783

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Slow relaxation of magnetization in a {Fe₆Dy} complex deriving from a family of highly symmetric metallacryptands

A. A. Athanasopoulou, L. M. Carrella and E. Rentschler, Dalton Trans., 2019, 48, 4779 DOI: 10.1039/C9DT00552H

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