Issue 26, 2016
From the journal:

Dalton Transactions

Single-molecule magnet behavior in an octanuclear dysprosium(iii) aggregate inherited from helical triangular Dy3 SMM-building blocks†

Li Zhang,ab   Peng Zhang,c   Lang Zhao,a   Jianfeng Wu,ab   Mei Guoab  and  Jinkui Tang*a  

* Corresponding authors

a State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China
E-mail: tang@ciac.ac.cn

b University of Chinese Academy of Sciences, Beijing, P. R. China

c Institut für Physikalische Chemie, Universität Stuttgart, Pfaffenwaldring 55, Stuttgart, Germany

Abstract

An unprecedented octanuclear dysprosium(III) cluster with the formula [Dy8L6(μ3-OH)4(μ2-CH3O)2(CH3OH)6(H2O)2]·6H2O·10CH3OH·2CH3CN (1) based on a nonlinearly tritopic aroylhydrazone ligand H3L has been isolated, realizing the successful linking of pairwise interesting triangular Dy3 SMMs. It is noteworthy that two enantiomers (Λ and Δ configurations) individually behaving as a coordination-induced chirality presented in the Dy3 helicate are connected in the meso Dy8 cluster. Remarkably, alternating-current magnetic susceptibility measurements revealed that the Dy8 cluster shows typical SMM behavior inherited from its Dy3 helical precursor. It is one of the rare polynuclear Lnn SMMs (n > 7) under zero dc field.

Graphical abstract: Single-molecule magnet behavior in an octanuclear dysprosium(iii) aggregate inherited from helical triangular Dy3 SMM-building blocks

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Article information

DOI
https://doi.org/10.1039/C6DT01718E
Article type
Paper
Submitted
02 May 2016
Accepted
16 May 2016
First published
17 May 2016

Dalton Trans., 2016,45, 10556-10562

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Single-molecule magnet behavior in an octanuclear dysprosium(III) aggregate inherited from helical triangular Dy3 SMM-building blocks

L. Zhang, P. Zhang, L. Zhao, J. Wu, M. Guo and J. Tang, Dalton Trans., 2016, 45, 10556 DOI: 10.1039/C6DT01718E

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