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Syntheses, Crystal Structures and Luminescent Properties of Two Cadmium(II) Carboxylate-Phosphinates with Various Dimeric Ring Motifs

机译:具有不同二聚环基序的两种磷酸镉(II)膦酸酯的合成,晶体结构和发光性质

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摘要

Two new cadmium(II) carboxylate-phosphinates, namely [Cd(HL)(2)] (1) and [Cd(L)(phen)(H2O)]center dot 2H(2)O (2) (H2L = 2-(carboxyethyl)(phenyl)phosphinic acid, phen = 1,10-phenanthroline), have been synthesized and characterized. Complex 1 features a two-dimensional layer structure containing two types of dimeric ring motifs, which are further assembled into a three-dimensional supramolecular network via C-H center dot center dot center dot pi interactions. Complex 2 shows a discrete dimer structure, and such dimers are linked through hydrogen bonds and pi center dot center dot center dot pi stacking interactions into a three-dimensional supramolecular network. The thermal stabilities and luminescent properties of complexes 1 and 2 have been studied.
机译:两个新的羧酸镉(II)次膦酸盐,即[Cd(HL)(2)](1)和[Cd(L)(phen)(H2O)]中心点2H(2)O(2)(H2L = 2已经合成并表征了-(羧乙基)(苯基)次膦酸,phen = 1,10-菲咯啉。配合物1具有包含两种类型的二聚环基序的二维层结构,它们通过C-H中心点中心点中心点pi相互作用进一步组装成三维超分子网络。配合物2显示了离散的二聚体结构,并且这种二聚体通过氢键和π中心点中心点中心点中心点pi的堆叠相互作用连接成三维超分子网络。已经研究了配合物1和2的热稳定性和发光性质。

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