Coordination-perturbed single-molecule magnet behaviour of mononuclear dysprosium complexes

被引：148

作者：

Chen, Gong-Jun ^{[1
,2
]}

Gao, Chun-Yan ^{[1
,2
]}

Tian, Jin-Lei ^{[1
,2
]}

Tang, Jinkui ^{[3
]}

Gu, Wen ^{[1
,2
]}

Liu, Xin ^{[1
,2
]}

Yan, Shi-Ping ^{[1
,2
]}

Liao, Dai-Zheng ^{[1
,2
]}

Cheng, Peng ^{[1
,2
]}

机构：

[1] Nankai Univ, Dept Chem, Tianjin 300071, Peoples R China

[2] Nankai Univ, Key Lab Adv Energy Mat Chem, Tianjin 300071, Peoples R China

[3] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Rare Earth Resource Utilizat, Changchun 130022, Peoples R China

来源：

DALTON TRANSACTIONS | 2011年 / 40卷 / 20期

基金：

中国国家自然科学基金;

关键词：

HIGH-SPIN MOLECULES; MAGNETIZATION; TETRANUCLEAR; RELAXATION; CRYSTAL; RESONANCE;

D O I：

10.1039/c1dt10050e

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

By changing the ratio of reactants, two mononuclear Dy complexes, [Dy(phen)(acac)(3)] (1) and [Dy(phen)(2)(NO3)(2)(acac)] center dot H2O (2) have been synthesized and structurally characterized. In 1, a Dy atom bearing square-antiprism coordination geometry exhibits SMM behaviour, while compound 2 with a bicapped-square-antiprism geometry does not show such SMM properties. The different magnetic behaviours seen in 1 and 2 are probably due to a different coordination environment and ligand field around the Dy(III) ions. The results proved the important influence of the structural environment of a SMM on its magnetic behaviour.

引用

页码：5579 / 5583

页数：5

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