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通过水热法,合成了2个基于轴手性配体2,2′-dinitro-4,4′-biphenyldicarboxylic acid(H_2nbpdc)的配位聚合物[La(nbpdc)(phen)(FA)]n(1),[Eu(nbpdc)(phen)(FA)]n(2)(phen=菲咯啉,FA=甲酸根),并且对2个化合物进行了红外、单晶X射线衍射、热重、荧光、CD谱及介电性质的研究。晶体结构测试表明,2个化合物结晶在正交晶系P2_12_12_1手性空间群,且具有相同的三维拓扑结构。荧光性质测定表明化合物1和2分别在606和615.5 nm处有强的发射光谱。与此同时,固体CD谱测试进一步证实2个化合物具有手性。
Two coordination polymers [La (nbpdc) (phen) (FA)] n based on 2,2’-dinitro-4,4’-biphenyldicarboxylic acid (H_2nbpdc) were synthesized by hydrothermal method (1), Eu (nbpdc) (phen) (FA)] n (2) (phen = phenanthroline and FA = formate) were prepared and the two compounds were characterized by IR, single crystal X-ray diffraction, , Fluorescence, CD spectra and dielectric properties. The crystal structure tests show that the two compounds crystallize in the orthorhombic P2_12_12_1 chiral space group and have the same three-dimensional topological structure. Fluorescence measurements showed that compounds 1 and 2 have strong emission spectra at 606 and 615.5 nm, respectively. In the meantime, the solid CD spectra test further confirmed that the two compounds have chirality.