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Scandium Metal–Organic Frameworks Containing Tetracarboxylate Linker Molecules: Synthesis, Structural Relationships, and Properties
Crystal Growth & Design ( IF 3.2 ) Pub Date : 2020-06-04 , DOI: 10.1021/acs.cgd.0c00478 Pia Rönfeldt 1 , Helge Reinsch 1 , Mirjam Patricia Margarete Poschmann 1 , Huayna Terraschke 1 , Norbert Stock 1
Crystal Growth & Design ( IF 3.2 ) Pub Date : 2020-06-04 , DOI: 10.1021/acs.cgd.0c00478 Pia Rönfeldt 1 , Helge Reinsch 1 , Mirjam Patricia Margarete Poschmann 1 , Huayna Terraschke 1 , Norbert Stock 1
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Three structurally related metal–organic frameworks (MOFs) of composition [Sc2(OH)2(L)] denoted Sc-CAU-9-PTCDA, Sc-CAU-9-TCPB, and Sc-CAU-9-H2TCPP containing the tetratopic linker molecules L14– = PTCDA4– (perylene-3,4,9,10-tetracarboxylate), L24– = TCPB4– (1,2,4,5-tetrakis(4-carboxylatophenyl)-benzene), or L34– = H2TCPP4– (meso-tetra(4-carboxylatophenyl)-porphyrin), have been obtained from solvothermal syntheses. The crystal structures were determined from powder X-ray diffraction data. The title compounds contain chains of trans corner-sharing [ScO6] octahedra, connected by the linker molecules to form three-dimensional networks. Depending on the shape of the respective linker the compounds crystallize in a frz or fry topology and with increasing size of the linker, an expansion of the framework and the formation of accessible channels are observed. The compounds were thoroughly characterized and exhibit high thermal stabilities up to 500 °C. Sc-CAU-9-TCPB and Sc-CAU-9-H2TCPP possess permanent porosity toward nitrogen with specific surface areas of asBET = 1350 m2/g and 650 m2/g, respectively. Luminescence measurements revealed a ligand-based emission in the blue spectral region for Sc-CAU-9-TCPB.
中文翻译：
含四羧酸连接分子的dium金属有机骨架：合成，结构关系和性质
组成为[Sc 2（OH）2（L）]的三个与结构相关的金属-有机框架（MOF）分别表示为Sc-CAU-9-PTCDA，Sc-CAU-9-TCPB和Sc-CAU-9-H 2 TCPP包含四位连接体分子L 1 4– = PTCDA 4–（ylene 3,4,9,10-四羧酸酯），L 2 4– = TCPB 4–（1,2,4,5-四（4-羧基戊苯基） -苯），或L 3 4– = H 2 TCPP 4–（间-四（4-羧甲基苯基）-卟啉）已从溶剂热合成中获得。由粉末X射线衍射数据确定晶体结构。标题化合物包含反角共享[ScO 6 ]八面体的链，这些链通过接头分子连接形成三维网络。取决于各自接头的形状，化合物以frz或fry拓扑结构结晶并且随着接头尺寸的增加，观察到骨架的膨胀和可及通道的形成。这些化合物经过充分表征，在高达500°C的温度下具有很高的热稳定性。Sc-CAU-9-TCPB和Sc-CAU-9-H 2TCPP对氮具有永久孔隙，其比表面积分别为BET = 1350 m 2 / g和650 m 2 / g。发光测量显示，Sc-CAU-9-TCPB在蓝色光谱区中基于配体的发射。
更新日期：2020-07-01
中文翻译：
含四羧酸连接分子的dium金属有机骨架：合成，结构关系和性质
组成为[Sc 2（OH）2（L）]的三个与结构相关的金属-有机框架（MOF）分别表示为Sc-CAU-9-PTCDA，Sc-CAU-9-TCPB和Sc-CAU-9-H 2 TCPP包含四位连接体分子L 1 4– = PTCDA 4–（ylene 3,4,9,10-四羧酸酯），L 2 4– = TCPB 4–（1,2,4,5-四（4-羧基戊苯基） -苯），或L 3 4– = H 2 TCPP 4–（间-四（4-羧甲基苯基）-卟啉）已从溶剂热合成中获得。由粉末X射线衍射数据确定晶体结构。标题化合物包含反角共享[ScO 6 ]八面体的链，这些链通过接头分子连接形成三维网络。取决于各自接头的形状，化合物以frz或fry拓扑结构结晶并且随着接头尺寸的增加，观察到骨架的膨胀和可及通道的形成。这些化合物经过充分表征，在高达500°C的温度下具有很高的热稳定性。Sc-CAU-9-TCPB和Sc-CAU-9-H 2TCPP对氮具有永久孔隙，其比表面积分别为BET = 1350 m 2 / g和650 m 2 / g。发光测量显示，Sc-CAU-9-TCPB在蓝色光谱区中基于配体的发射。
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