Two chain-based TbIII/DyIII complexes derived from m-nitrobenzoic acid with totally different structures and magnetic properties

被引：33
|
作者：
Zheng, Teng-Fei
Tian, Xue-Mei
Yao, Shu-Li
Cao, Chen
Cai, Jin-Bao [1 ]
Liu, Sui-Jun [1 ]
机构：
[1] Jiangxi Univ Sci & Technol, Sch Met & Chem Engn, Ganzhou 341000, Jiangxi, Peoples R China
来源：
JOURNAL OF MOLECULAR STRUCTURE | 2018年 / 1165卷
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
Ln(III) complexes; One-dimensional structures; Monocarboxylate ligands; Slow magnetic relaxation; SINGLE-MOLECULE MAGNET; LANTHANIDE COMPLEXES; RELAXATION; ANISOTROPY; FRAMEWORKS; COMPOUND; BEHAVIOR; LIGAND; SERIES;
D O I：
10.1016/j.molstruc.2018.03.112
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Two Ln(III) complexes derived from one aromatic monocarboxylate ligand, namely [Tb-2(mnba)(6)(H2O)(4)](n) (1) and [Dy-2(mnba)(4)(mu(3)-OH)(2)(H2O)](n) (2) (Hmnba = m-nitrobenzoic acid), have been prepared by similar synthetic procedures and structurally characterized. Complex 1 contains two identical one-dimensional (1D) chains with the syn,syn-carboxylate as linkers, while complex 2 takes the 1D chain structure with mu(3)- -OH and carboxylate as bridge. Magnetic studies indicate that ferromagnetic interactions between intra-chain metal centers exist in 1 and 2 and only complex 2 exhibits field-induced slow magnetic relaxation behavior. (C) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页码：326 / 331
页数：6
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