Lanthanoid "Bottlebrush" Clusters: Remarkably Elongated Metal-Oxo Core Structures with Controllable Lengths

被引：46

作者：

D'Alessio, Daniel ^{[1
]}

Sobolev, Alexandre N. ^{[2
,3
]}

Skelton, Brian W. ^{[2
]}

Fuller, Rebecca O. ^{[3
]}

Woodward, Robert C. ^{[4
]}

Lengkeek, Nigel A. ^{[5
]}

Fraser, Benjamin H. ^{[5
]}

Massi, Massimiliano ^{[1
]}

Ogden, Mark I. ^{[1
]}

机构：

[1] Curtin Univ Technol, Dept Chem, Bentley, WA 6102, Australia

[2] Univ Western Australia, Ctr Microscopy Characterisat & Anal, Crawley, WA 6009, Australia

[3] Univ Western Australia, Sch Chem & Biochem, Crawley, WA 6009, Australia

[4] Univ Western Australia, Sch Phys, Crawley, WA 6009, Australia

[5] Australian Nucl Sci & Technol Org, Kirrawee Dc, NSW 2232, Australia

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2014年 / 136卷 / 43期

关键词：

SLOW MAGNETIC-RELAXATION; SINGLE-MOLECULE MAGNETS; COORDINATION; COMPLEXES; LIGAND; CHEMISTRY; MOTIFS; WHEELS; GA-10;

D O I：

10.1021/ja506677h

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Large metal-oxo clusters consistently assume spherical or regular polyhedral morphologies rather than high-aspect-ratio structures. Access to elongated core structures has now been achieved by the reaction of lanthanoid salts with a tetrazole-functionalized calixarene in the presence of a simple carboxylate co-ligand. The resulting Ln(19) and Ln(12) clusters are constructed from apex-fused Ln(5)O(6) trigonal bipyramids and are formed consistently under a range of reaction conditions and reagent ratios. Altering the carboxylate co-ligand structure reliably controls the cluster length, giving access to a new class of rod-like clusters of variable length.

引用

页码：15122 / 15125

页数：4

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