A Rare μ4-O Centred Dy4 Tetrahedron with Coordination-Induced Local Chirality and Single-Molecule Magnet Behaviour

被引：66

作者：

Lin, Po-Heng ^{[1
]}

Korobkov, Ilia ^{[1
]}

Wernsdorfer, Wolfgang ^{[2
,3
]}

Ungur, Liviu ^{[4
,5
]}

Chibotaru, Liviu F. ^{[4
,5
]}

Murugesu, Muralee ^{[1
,6
]}

机构：

[1] Univ Ottawa, Dept Chem, Ottawa, ON K1N 6N5, Canada

[2] CNRS, Inst Neel, F-38042 Grenoble, France

[3] Univ J Fourier, F-38042 Grenoble, France

[4] Katholieke Univ Leuven, Inst Nanoscale Phys & Chem, B-3001 Louvain, Belgium

[5] Katholieke Univ Leuven, Div Quantum & Phys Chem, B-3001 Louvain, Belgium

[6] Ctr Catalysis Res & Innovat, Ottawa, ON K1N 6N5, Canada

来源：

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2011年 / 10期

基金：

加拿大创新基金会; 加拿大自然科学与工程研究理事会;

关键词：

Clusters; Magnetic properties; Single-molecule magnets; Chirality; Lanthanides; SPONTANEOUS RESOLUTION; DYSPROSIUM TRIANGLES; WEAK FERROMAGNETISM; ANISOTROPIC BARRIER; SLOW RELAXATION; GROUND-STATE; COMPLEXES; SPIN; LIGANDS; CLUSTERS;

D O I：

10.1002/ejic.201100038

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Coordination-induced chirality was achieved in a unique tetrahedral [Dy-4(mu(4)-O)(mu-OMe)(2)(beh)(2)(esh)(4)]center dot 3MeOH complex through a twisted diazine bridge from a Schiff base ligand. Magnetic measurements reveal weak intramolecular antiferromagnetic interactions (J = -0.3 cm(-1)) with single-molecule magnet behaviour (U-eff = 23.42 K).

引用

页码：1535 / 1539

页数：5

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