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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >In situ ligand formation in the synthesis of an octanuclear dysprosium 'double cubane' cluster displaying single molecule magnet features
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In situ ligand formation in the synthesis of an octanuclear dysprosium 'double cubane' cluster displaying single molecule magnet features

机译:显示单分子磁体特征的八核“双古巴”簇的合成中原位配体形成

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摘要

The nucleophilic addition of methanol and water to the dicyanonitrosomethanide anion, resulting in the formation of cyano(imino(methoxy)methyl)nitrosomethanide (cmnm) and carbamoylcyanonitrosomethanide (ccnm), respectively, is used as a means of in situ ligand synthesis during the formation of [Dy _8(OH) _6(OMe) _6(cmnm) _(10)(ccnm) _2(H _2O) _2(MeOH) _2] (1). This is the first time these reactions have been observed to be promoted by the presence of a lanthanoid ion. The core of the octanuclear cluster consists of two cubane moieties ([Dy _4(OH) _3(OMe)]), bridged by four methoxide ligands to form a central [Dy _8(OH) _6(OMe) _6] moiety. The complex displays magnetic properties that are indicative of probable single molecule magnet features.
机译:将甲醇和水亲核加成到二氰基硝基亚砷酸根阴离子上,分别形成氰基(亚氨基(甲氧基)甲基)硝基亚甲基磺酸根(cmnm)和氨基甲酰基氰基硝基硝基亚甲基磺酸根(ccnm),作为形成过程中原位配体合成的手段[Dy _8(OH)_6(OMe)_6(cmnm)_(10)(ccnm)_2(H _2O)_2(MeOH)_2的摩尔数)(1)。这是第一次观察到镧系离子的存在促进了这些反应。八核簇的核心由两个古巴部分([Dy _4(OH)_3(OMe)])组成,由四个甲醇配体桥接形成中心[Dy _8(OH)_6(OMe)_6]部分。该复合物显示出指示可能的单分子磁体特征的磁性。

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