Issue 33, 2020
From the journal:

New Journal of Chemistry

3d–4f Metallacrown complexes with a new sandwich core: synthesis, structures and single molecule magnet behavior†

Wen-Wen Chang,a   Hua Yang,a   Hai-Quan Tian, ORCID logo a   Da-Cheng Li*a  and  Jian-Min Dou ORCID logo a  

* Corresponding authors

a Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252059, P. R. China
E-mail: dougroup@163.com
Tel: +86-0635-8239298

Abstract

Two heterometallic metallacrown complexes, [Er{Cu4(butyrat)4}2]·Cl3·MeOH·26H2O (1) and [Yb{Cu4(butyrat)4}2]·Cl3·MeOH·26H2O (2) (H2butyrat = 3-aminobutyric hydroxamic acid), have been reported. X-ray crystallographic analysis reveals that the two complexes displayed nested-sandwich configurations with two 12-MC-4 metallacrown units capping LnIII in the centre. Magnetic studies revealed that 1–2 undergo antiferromagnetic coupling interaction. Magnetic measurements show that complex 2 displays frequency-dependent signals at a dc field of 1000 Oe, indicating field-induced single-molecule magnet behavior.

Graphical abstract: 3d–4f Metallacrown complexes with a new sandwich core: synthesis, structures and single molecule magnet behavior

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Supplementary files

Article information

DOI
https://doi.org/10.1039/D0NJ00292E
Article type
Paper
Submitted
17 Jan 2020
Accepted
16 Jul 2020
First published
27 Jul 2020

New J. Chem., 2020,44, 14145-14150

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3d–4f Metallacrown complexes with a new sandwich core: synthesis, structures and single molecule magnet behavior

W. Chang, H. Yang, H. Tian, D. Li and J. Dou, New J. Chem., 2020, 44, 14145 DOI: 10.1039/D0NJ00292E

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