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Synthesis, structures, and properties of two helical structures from rigid carboxylate ligand and flexible N-bridging ligands

机译:刚性羧酸盐配体和柔性N桥桥接配体的两个螺旋结构的合成,结构和性质

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Two novel coordination polymers based on mixed ligands, [Zn(dpb)(bdc)(H _2O)] _n (1) and [Cd(dpb)(bbdc)(H _2O)(DMF)] _n (2) [dpb = 1, 4-bis(pyridin-3-ylmethoxy) benzene, H _2bdc = 1, 4-benzenedicarboxylate, H _2bbdc = 4, 4'-dibenzenedicarboxylate], were synthesized under hydrothermal conditions. Compound 1 forms meso-helical chain and shows three fold interpenetrating architecture with 4-connected net {6 6} diamond topology. Compound 2 is a left- and right-handed helical layer, which are interacted by π-π stacking interactions to construct a 3D framework. The luminescent properties of the compounds are discussed.
机译:基于混合配体的两种新型配位聚合物[Zn(dpb)(bdc)(H _2O)] _n(1)和[Cd(dpb)(bbdc)(H _2O)(DMF)] _n(2)[dpb =在水热条件下合成了1,4-双(吡啶-3-基甲氧基)苯,H _2bdc = 1,4-苯二甲酸,H _2bbdc = 4,4'-二苯二甲酸]。化合物1形成中螺旋链,并显示三重互穿结构,具有4个连接的净{6 6}菱形拓扑。化合物2是左旋和右旋螺旋层,它们通过π-π堆叠相互作用进行交互以构建3D框架。讨论了化合物的发光性质。

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