三核与双核3d-5f铀酰（V）-钴（II）阳离子-阳离子配合物的合成及单分子磁体行为
Synthesis and SMM behaviour of trinuclear versus dinuclear 3d-5f uranyl(v)-cobalt(ii) cation-cation complexes.
作者信息
Chatelain Lucile, Tuna Floriana, Pécaut Jacques, Mazzanti Marinella
机构信息
Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland.
出版信息
Dalton Trans. 2017 May 2;46(17):5498-5502. doi: 10.1039/c6dt04558h.
Trinuclear versus dinuclear heterodimetallic UOCo complexes were selectively assembled via a cation-cation interaction by tuning the ligand. The trimeric complex 2, with a linear [Co-O[double bond, length as m-dash]U[double bond, length as m-dash]O-Co] core, exhibits magnetic exchange and slow relaxation with a reversal barrier of 30.5 ± 0.9 K providing the first example of a U-Co exchange-coupled SMM.
通过调节配体，利用阳离子-阳离子相互作用选择性地组装了三核与双核异双核UOCo配合物。具有线性[Co-O═U═O-Co]核心的三聚体配合物2表现出磁交换和缓慢弛豫，其反转势垒为30.5±0.9 K，这是U-Co交换耦合单分子磁体的首个实例。
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