A thioether-decorated {Mn11Tb4} coordination cluster with slow magnetic relaxation

被引：15

作者：

Schmitz, Sebastian ^{[1
]}

van Leusen, Jan ^{[1
]}

Ellern, Arkady ^{[2
]}

Koegerler, Paul ^{[1
,3
,4
]}

Monakhov, Kirill Yu. ^{[1
]}

机构：

[1] Rhein Westfal TH Aachen, Inst Anorgan Chem, D-52074 Aachen, Germany

[2] Iowa State Univ, Dept Chem, Ames, IA 50011 USA

[3] Forschungszentrum Julich, Julich Aachen Res Alliance JARA FIT, D-52425 Julich, Germany

[4] Forschungszentrum Julich, Peter Grunberg Inst PGI 6, D-52425 Julich, Germany

来源：

INORGANIC CHEMISTRY FRONTIERS | 2015年 / 2卷 / 12期

关键词：

EFFICIENT OXIDATIVE DECARBOXYLATION; CARBOXYLIC-ACIDS; STM SPECTROSCOPY; QUANTUM; COMPLEXES; MANGANESE; DY;

D O I：

10.1039/c5qi00172b

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The oxidation reaction of manganese(II) acetate tetrahydrate with terbium(III) nitrate hexahydrate in acetonitrile in the presence of 4-(methylthio) benzoic acid (Hbza.SMe) afforded a polynuclear [(Mn11Tb4O9)-Tb-III-O-III(OH)(5)(bza.SMe)(18)(NO3)(2)(H2O)(6)(OMe)(2)] complex (1) with a {Mn5Tb2O6}-bridged double-{TbMn3O4}-cubane structure. This antiferromagnetically coupled, neutral molecule is decorated in the periphery with structurally exposed thioether groups which can be used as anchors to metallic surfaces. Compound 1 is potentially a single-molecule magnet (SMM), exhibiting slow relaxation of the magnetisation up to 3 K. While 1 is not thermally stable, the coordination cluster remains stable in various Lewis base-type organic solvents like THF and acetone.

引用

页码：1095 / 1100

页数：6

共 46 条

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