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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:
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.
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页码:1095 / 1100
页数:6
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