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Issue 2, 2017
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Structures and magnetic properties of dysprosium complexes: the effect of crystallization temperature

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Abstract

Two new dysprosium complexes, [Dy(H5L)(NO3)2(CH3OH)2]·4CH3OH (1) and [Dy2(H5L)2(NO3)4(H2O)2]·10CH3OH (2), were isolated from the reaction of a novel 1,8-naphthalenediol-based ligand N,N′-((1,8-dihydroxynaphthalene-2,7-diyl)bis(methanylylidene))bis(2-hydroxybenzohydrazide), H6L with dysprosium(III) nitrate upon crystallization at different temperatures. Because of a low-symmetrical coordination environment, both complexes display only field-induced single molecular magnetic (SMM) behavior. Interestingly, complex 2 containing two dysprosium ions shows field-induced multiple relaxation processes, whereas only one relaxation process is observed for complex 1. The remarkably different behavior observed in 2 is mainly ascribed to the weak intra- or intermolecular interactions between the two DyIII centres in this complex.

Graphical abstract: Structures and magnetic properties of dysprosium complexes: the effect of crystallization temperature

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Publication details

The article was received on 09 Nov 2016, accepted on 06 Dec 2016 and first published on 07 Dec 2016


Article type: Paper
DOI: 10.1039/C6DT04268F
Citation: Dalton Trans., 2017,46, 564-570
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    Structures and magnetic properties of dysprosium complexes: the effect of crystallization temperature

    M. Guo, Y. Wang, J. Wu, L. Zhao and J. Tang, Dalton Trans., 2017, 46, 564
    DOI: 10.1039/C6DT04268F

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