We recently reported dipyridinosilole (DPyS) and dipyridinogermole (DPyG) as π‐conjugated units that show low‐temperature phosphorescence. A copper complex of DPG shows solid‐state phosphorescence at room temperature. In this work, we prepared diphenyldipyridinostannole (DPySn1). Its optical and electrochemical properties were investigated and compared with those of DPyS1 and DPyG1 with the same phenyl substituents. DPySn1 showed the most red‐shifted phosphorescence at 520 nm at 77 K in the solid‐state, which is likely due to the intermolecular Sn‐pyridine interaction that was confirmed by single‐crystal X‐ray diffraction. Copper complexes of DPyS1 and DPySn1 were also prepared and it was found that the phosphorescence of these dipyridinometallole‐copper complex solids was red‐shifted in the order of DPySn1−Cu (617 nm)<DPyG1−Cu (624 nm)<DPyS1−Cu (645 nm). Single‐crystal X‐ray diffraction studies were performed for DPyS1−Cu and DPySn1−Cu complexes. DPyS1−Cu showed a double‐chained polymeric ladder‐like structure with Cu₄I₄ cluster units and DPySn1−Cu possessed a single chain polymeric structure with Cu₂I₂ units, analogous to DPyG1−Cu.

中文翻译：

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14族双吡啶金属盐及其铜配合物的晶体结构和磷光性能。

我们最近报道了双吡啶基硅氧烷（DPyS）和双吡啶基锗烯（DPyG）作为π共轭单元，具有低温磷光。DPG的铜络合物在室温下显示固态磷光。在这项工作中，我们制备了二苯基二吡啶基锡锡诺尔（DPySn1）。研究了其光学和电化学性质，并将其与具有相同苯基取代基的DPyS1和DPyG1进行了比较。DPySn1在固态在77 K下在520 nm处显示出最大的红移磷光，这很可能是由于单晶X射线衍射证实了分子间Sn-吡啶相互作用。还制备了DPyS1和DPySn1的铜配合物，发现这些二吡啶基金属铜复合物的磷光按DPySn1-Cu（617 nm）<DPyG1-Cu（624 nm）<的顺序红移。DPyS1-Cu（645 nm）。对DPyS1-Cu和DPySn1-Cu络合物进行了单晶X射线衍射研究。DPyS1-Cu表现出具有Cu的双链聚合物梯状结构₄ I ₄簇单元和DPySn1-Cu具有类似于Cu-DPyG1-Cu的具有Cu ₂ I ₂单元的单链聚合物结构。