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Lamp-Shaped Octametallic Lanthanide [Ln(8)SiO(4)] Clusters Based on a mu (4)-Silicate-Bridge Core
She, Shi-Xiong1; Chen, Yanmei1; Gao, Dandan2; Li, Yahong1; Li, Wu2
2016-03-01
发表期刊JOURNAL OF CLUSTER SCIENCE
卷号27期号:2页码:691-701
文章类型Article
摘要The employment of silicate ion, SiO4 (4-), as a ligand in the coordination chemistry of lanthanides is reported. A series of octanuclear clusters of general formula [Ln(8)L(8)(C6H4NH2COO)(4)SiO4] (H2L = 2-{[(2-hydroxy-3-methoxy-phenyl)methylidene]amino}benzoic acid; Ln = Tb(1), Gd(2), Nd(3), Pr(4), Sm(5)) have been prepared via reactions of lanthanide nitrate salts, H2L and Na2SiO3. The metal skeleton shows rarely observed lamp-shaped conformation with eight metals being connected by a mu (4)-silicate bridge. Variable-temperature, solid-state dc magnetic susceptibility studies were carried out on polycrystalline samples of 1 and 2. The data in the 2.0-300 K range reveal antiferromagnetic Ln(III)a <-Ln(III) exchange interactions in these two clusters. This work demonstrates the synthetic potential of combining Schiff-base ligands with silicate in the preparation of polymetallic lanthanide clusters.
关键词Octametallic Cluster Crystal Structure Lanthanide Silicate Magnetic Properties
WOS标题词Science & Technology ; Physical Sciences
关键词[WOS]SLOW MAGNETIC-RELAXATION ; SINGLE-MOLECULE MAGNET ; CATALYTIC HYDROAMINATION ; ORGANIC FRAMEWORKS ; BUILDING-BLOCK ; COMPLEXES ; BEHAVIOR ; NITROPHENOLATE ; CHEMISTRY ; LIGANDS
收录类别SCI
语种英语
WOS研究方向Chemistry
WOS类目Chemistry, Inorganic & Nuclear
WOS记录号WOS:000372956500024
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6312
专题青海盐湖研究所知识仓储
盐湖资源综合利用工程技术中心
作者单位1.Soochow Univ, Coll Chem Chem Engn & Mat Sci, Suzhou 215123, Peoples R China
2.Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Peoples R China
推荐引用方式
GB/T 7714
She, Shi-Xiong,Chen, Yanmei,Gao, Dandan,et al. Lamp-Shaped Octametallic Lanthanide [Ln(8)SiO(4)] Clusters Based on a mu (4)-Silicate-Bridge Core[J]. JOURNAL OF CLUSTER SCIENCE,2016,27(2):691-701.
APA She, Shi-Xiong,Chen, Yanmei,Gao, Dandan,Li, Yahong,&Li, Wu.(2016).Lamp-Shaped Octametallic Lanthanide [Ln(8)SiO(4)] Clusters Based on a mu (4)-Silicate-Bridge Core.JOURNAL OF CLUSTER SCIENCE,27(2),691-701.
MLA She, Shi-Xiong,et al."Lamp-Shaped Octametallic Lanthanide [Ln(8)SiO(4)] Clusters Based on a mu (4)-Silicate-Bridge Core".JOURNAL OF CLUSTER SCIENCE 27.2(2016):691-701.
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