A series of rhombus-shaped Ln(4) clusters: Syntheses, structures, luminescence properties and the SMM behavior of the Dy-4 analogue

Wang Qing-Li; Wu Ru-Fen; Cai Chun-Zhu; Yue Rong-Xin; Gao Yu; Shi Peng-Fei; Wang Wen-Min

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A series of rhombus-shaped Ln(4) clusters: Syntheses, structures, luminescence properties and the SMM behavior of the Dy-4 analogue

机译：一系列菱形LN（4）簇：DY-4模拟的合成，结构，发光性能和SMM行为

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A series of tetranuclear lanthanide(III) clusters, namely, [Ln(4)(mu(3)-OH)(2)L-6(acac)(4)]center dot xCH(3)CN (Ln(III) = Tb(1), Dy(2) and Ho(3), HL = 5-(4-o-hydroxybenzylidene)-8-hydroxylquinoline; acac = acetylacetone), have been synthesized and completely characterized. The X-ray structural analysis exhibit that clusters 1-3 contain one Ln(4) center with rhombus-shaped arrangement, and each Ln(III) ion of them is located in a distorted square-antiprismatic coordination sphere. Magnetic measurements indicated that single molecule magnets behaviors were observed in 2, with energy barrier (Delta E/k(B)) of 55.17 K and tau(0) = 8.19 x 10(-7) s. Additionally, luminescence properties study reveal that 1 and 2 display the characteristic Tb-III and Dy-III luminescence at room temperature. (C) 2018 Elsevier Ltd. All rights reserved.

机译：一系列四核镧系元素（III）簇，即[LN（4）（MU（3）-OH）（2）L-6（ACAC）（4）]中心点Xch（3）CN（LN（III） = Tb（1），Dy（2）和HO（3），HL = 5-（4-O-羟基苄基）-8-羟基喹啉; Acac =乙酰丙酮），已合成和完全表征。 X射线结构分析表现出簇1-3含有一个具有菱形布置的一个LN（4）中心，并且它们的每个LN（III）离子位于扭曲的方倾瓦膜反向球体中。磁测量表明，在2中观察到单分子磁体行为，其中能量屏障（Delta E / K（B））为55.17k和Tau（0）= 8.19×10（-7）。另外，发光性质研究表明，1和2在室温下显示特征TB-III和Dy-III发光。（c）2018年elestvier有限公司保留所有权利。

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来源
《Polyhedron: The International Journal for Inorganic and Organometallic Chemistry》 |2018年第2018期|共5页
作者
Wang Qing-Li; Wu Ru-Fen; Cai Chun-Zhu; Yue Rong-Xin; Gao Yu; Shi Peng-Fei; Wang Wen-Min;
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作者单位

Linyi Univ Shandong Prov Key Lab Detect Technol Tumor Makers Coll Chem &

Chem Engn Linyi 276000 Peoples R China;

Taiyuan Normal Univ Dept Chem Jinzhong 030619 Peoples R China;

Taiyuan Normal Univ Dept Chem Jinzhong 030619 Peoples R China;

Taiyuan Normal Univ Dept Chem Jinzhong 030619 Peoples R China;

Taiyuan Normal Univ Dept Chem Jinzhong 030619 Peoples R China;

Linyi Univ Shandong Prov Key Lab Detect Technol Tumor Makers Coll Chem &

Chem Engn Linyi 276000 Peoples R China;

Taiyuan Normal Univ Dept Chem Jinzhong 030619 Peoples R China;

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正文语种 eng
中图分类无机化学;
关键词
Tetranuclear lanthanide(III) clusters; Structures; Magnetic properties; Luminescence properties; Single molecule magnets behaviors;

机译：四核镧系元素（III）簇;结构;磁性;发光性质;单分子磁铁行为;

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机译：一系列菱形LN（4）簇：DY-4模拟的合成，结构，发光性能和SMM行为
2. Structures and magnetic properties of rhombus-shaped tetranuclear [Ln(4)] clusters: Dy-4 cluster displaying single molecule magnet behavior [J] . Ji Jia, Jiang Kai-Jun, Shen Hai-Yun, Journal of Molecular Structure . 2021,第1期

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A series of rhombus-shaped Ln(4) clusters: Syntheses, structures, luminescence properties and the SMM behavior of the Dy-4 analogue

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