首页> 外文期刊>Inorganic Chemistry: A Research Journal that Includes Bioinorganic, Catalytic, Organometallic, Solid-State, and Synthetic Chemistry and Reaction Dynamics >Bimetallic Uranyl Organic Frameworks Supported by Transition-Metal-Ion-Based Metalloligand Motifs: Synthesis, Structure Diversity, and Luminescence Properties
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Bimetallic Uranyl Organic Frameworks Supported by Transition-Metal-Ion-Based Metalloligand Motifs: Synthesis, Structure Diversity, and Luminescence Properties

机译:由过渡金属离子的金属糖酮族基序支持的双金属铀酰有机框架:合成,结构多样性和发光性能

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摘要

A bifunctional ligand, 2,2'-bipyridine-4,4'-dicarboxylic acid (H(2)bpdc), has been used in the investigation of constructing bimetallic uranyl organic frameworks (UOFs). Seven novel uranyl transition metal bimetallic coordination polymers, [(UO2)Zn(bpdc)(2)](n) (1), [Cd(UO2)(bpdc)(2)(H2O)(2.) 2H(2)O](n) (2), [Cu(UO2)(bpdc)(SO4)(H2O)(3.)2H(2)O](n) (3), [CuCl-(UO2) (bpdc) (Hbpdc) (H2O)(2.)H2O](n) (4), [Cu(UO2)-(bpdc)(2)(H2O)](n) (5), [Co-2(UO2)(3)(bpdc)(6)](n) (6), and [Co-3(UO2)(4)(bpdc)(8)(Hbpdc)(H2O)(2)]n (7), have been successfully constructed through the assembly of various transition-metal salts, uranyl ions, and H(2)bpdc ligands under hydrothermal conditions. UOFs 1, 5, 6, and 7 adopt three-dimensional (3D) frameworks with different architectures; UOFs 2 and 3 exhibit two-dimensional (2D) wavelike and stairlike layers, respectively, while UOF 4 is a one-dimensional (1D) chain assembly. These UOFs include a wide range of dimensionalities (ID-3D), interpenetrated frameworks, and cation cation interaction species, suggesting that anion-dependent structure regulation based on the metalloligand [M(bpdc)(m)](n)-motifs, the coordination modes of the metal centers and bpdc(2)-ligands, along with the reaction temperature, has a remarkable influence on the formation of bimetallic UOFs, which could be a representative system for the structural modulation of UOFs with various dimensionalities and structures. Furthermore, the thermal stability and luminescent properties of compounds 1, 3, and 6 are also investigated.
机译:双官能配体2,2'-硼烷-4,4'-二羧酸(H(2)BPDC)已被用于构建双金属铀酰有机骨架(UOF)的研究。七种新型铀酰过渡金属双金属配位聚合物,[(UO 2)Zn(BPDC)(2)](N)(1),[Cd(UO 2)(BPDC)(2)(2)(2。)2H(2) O](n)(2),[Cu(UO 2)(BPDC)(SO 4)(H 2 O)(3)2H(2)O](N)(3),[CuCl-(UO 2)(BPDC)( HBPDC)(H 2 O)(2.)H 2 O](N)(4),[Cu(UO 2) - (BPDC)(2)(2)(H 2 O)](N)(N)(5),[CO-2(UO2)(3 )(6)](n)(6),和[CO-3(UO 2)(4)(4)(BPDC)(8)(HBPDC)(H 2 O)(2)] N(7)已成功通过各种过渡金属盐,铀酰离子和H(2)BPDC配体在水热条件下的组装构成。 UOF 1,5,6和7采用具有不同架构的三维(3D)框架; UOF 2和3分别展示二维(2D)波状和楼梯层,而UOF 4是一维(1D)链组件。这些UOF包括广泛的尺寸(ID-3D),互连的框架和阳离子相互作用物种,表明基于Metalloligand [M(BPDC)(M)](n)-Motifs的阴离子依赖性结构调节金属中心和BPDC(2)--ligands的配位模式以及反应温度对Bimetallic UOF的形成具有显着影响,这可能是具有各种尺寸和结构的UOF的结构调节的代表性系统。此外,还研究了化合物1,3和6的热稳定性和发光性能。

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