A oximato-bridged linear trinuclear [MnIVMnIIIMnIV] single-molecule magnet

Chang-Long Zhou; Zhe-Ming Wang; Bing-Wu Wang; Song Gao

doi:10.1039/C2DT31039B

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A oximato-bridged linear trinuclear [Mn^IVMn^IIIMn^IV] single-molecule magnet†

Chang-Long Zhou,^a Zhe-Ming Wang,^a Bing-Wu Wang*^a and Song Gao*^a

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* Corresponding authors

^a Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing, P.R. China
E-mail: wangbw@pku.edu.cn, gaosong@pku.edu.cn
Tel: +86-10-6276-7569

Abstract

The reaction of Mn(HCOO)₂·2H₂O, ^tBuSaoH₂ (3,5-di-tert-butyl-salicylaldoxime) and sodium azide in isopropanol leads to [NaMn₃(^tBuSao)₆] (1). Its structure can be described as a linear trinuclear cluster bridged by oximato ligands. Magnetic investigation revealed that the ferromagnetic coupling interaction is dominant in 1 leading to a ground-state spin S_T = 5. 1 shows single-molecule magnet behaviour under zero or 1 kOe dc field with energy barrier U_eff ∼ 10 K.

This article is part of the themed collection: Frontier and Perspectives in Molecule-Based Quantum Magnet

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Article information

DOI: https://doi.org/10.1039/C2DT31039B
Article type: Paper
Submitted: 13 May 2012
Accepted: 19 Jun 2012
First published: 20 Jun 2012

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Dalton Trans., 2012,41, 13620-13625

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A oximato-bridged linear trinuclear [Mn^IVMn^IIIMn^IV] single-molecule magnet

C. Zhou, Z. Wang, B. Wang and S. Gao, Dalton Trans., 2012, 41, 13620 DOI: 10.1039/C2DT31039B

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Dalton Transactions