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Single‐Molecule Magnetism in Dy2 Cluster Based on a Schiff Base Ligand
Zeitschrift für anorganische und allgemeine Chemie ( IF 1.1 ) Pub Date : 2020-06-04 , DOI: 10.1002/zaac.202000089
Yingying Wang 1 , Zhuangdong Yuan 1 , Yunjie Guo 1 , Xuxiao Ma 1 , Zitong Meng 1 , Jingquan Sha 1 , Haifeng Zhang 1
Affiliation  

Two dinuclear LnIII‐based clusters, namely [Dy2L2(NO3)2(DME)4] (1) and [Gd2L2(NO3)2(DME)4] (2) [H2L = (E)‐2‐((2‐hydroxybenzylidene)amino)phenol] were obtained under hydrothermal condition. Two LnIII ions are bridged by two phenolic hydroxyl oxygen atoms, and the distances of them are 3.829 Å (Dy1–Dy1A) and 3.860 Å (Gd1–Gd1A). Two Dy1–O–Dy1A and Gd1–O–Gd1A angles are 109.4° and 109.8°, respectively. Magnetic studies reveal a weak antiferromagnetic interaction between Gd ions in complex 2, and single‐molecule magnet behavior for 1 with Ueff = 49.9 K and τ0 = 1.54 × 10–6 s.

中文翻译:

基于席夫碱配体的Dy2团簇中的单分子磁性

两个基于Ln III的双核簇,即[Dy 2 L 2(NO 32(DME)4 ](1)和[Gd 2 L 2(NO 32(DME)4 ](2)[H 2 L =(E)-2-(((2-羟基苄叉基)氨基)酚]是在水热条件下获得的。二级三号离子由两个酚羟基氧原子桥接,它们之间的距离为3.829Å(Dy1-Dy1A)和3.860Å(Gd1-Gd1A)。Dy1–O–Dy1A和Gd1–O–Gd1A的两个角度分别为109.4°和109.8°。磁性的研究揭示在复杂的钆离子之间的弱反铁磁相互作用2,和单分子磁体行为1Ü EFF = 49.9 K和τ 0 = 1.54×10 -6秒。
更新日期:2020-06-04
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