Single-Chain Magnetic Behavior in a Hetero-Tri-Spin Complex Mediated by Supramolecular Interactions with TCNQF•- Radicals

被引：82

作者：

Wang, Zhao-Xi ^{[1
,2
]}

Zhang, Xuan ^{[1
]}

Zhang, Yuan-Zhu ^{[1
]}

Li, Ming-Xing ^{[2
]}

Zhao, Hanhua ^{[1
]}

Andruh, Marius ^{[3
]}

Dunbar, Kim R. ^{[1
]}

机构：

[1] Texas A&M Univ, Dept Chem, College Stn, TX 77842 USA

[2] Shanghai Univ, Dept Chem, Coll Sci, Shanghai 200444, Peoples R China

[3] Univ Bucharest, Inorgan Chem Lab, Fac Chem, Bucharest 020464, Romania

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2014年 / 53卷 / 43期

基金：

中国国家自然科学基金;

关键词：

radical ions; single-chain magnets; TCNQ radicals; X-ray diffraction; - stacking interactions; TCNQ; MN; NI; RELAXATION; TECTONS; SYSTEMS; CU2+; FE; CO;

D O I：

10.1002/anie.201407628

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The self-assembly of organic TCNQF(.-) radicals (2-fluoro-7,7,8,8-tetracyano-p-quinodimethane) and the anisotropic [Tb(valpn)Cu](3+) dinuclear cations produced a single-chain magnet (SCM) involving stacking interactions of TCNQF(.-) radicals (H(2)valpn is the Schiff base from the condensation of o-vanillin with 1,3-diaminopropane). Static and dynamic magnetic characterizations reveal that the effective energy barrier for the reversal of the magnetization in this hetero-tri-spin SCM is significantly larger than the barrier of the isolated single-molecule magnet based on the {TbCu} dinuclear core.

引用

页码：11567 / 11570

页数：4

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