【摘要】 本文通过在s区金属离子(Li+,Na+,K+,Mg2+,Ca2+)存在下,2,6-吡啶二羧酸(H2pda)或2-吡啶羧酸(picH)与Mn(Ac)2.4H2O的水热合成反应,系统探讨了s区金属离子的电荷和半径对Mn(Ⅱ)配位聚合物的结构构建以及热稳定性和溶解性能的影响。合成了2个混合金属配位聚合物[Na2Mn(pda)2]n(1)和[K2Mn(pda)2]n(2),并通过红外和X-单晶衍射进行了结构表征:1属于正交系,空间群Pnna;2属于单斜系,空间群P2/n。同时应用荧光光谱测试研究了配合物1水溶液的荧光性质。更多还原

【Abstract】 In the presence of s-block ion(Li+,Na+,K+,Mg2+,Ca2+),the reactions of Mn(Ac)2·4H2O with H2pda(H2pda=2,6-pyridinedicarboxylic acid) or picH(picH=picolinic acid) were studied by hydrothermal synthesis.The effect of ion radius and charge of s-block on the structure,thermal stability and solubility of Mncoordination polymer was discussed systematically.Two mixed-metal coordination polymers [Na2Mn(pda)2]n(1) and [K2Mn(pda)2]n(2) have been synthesized by hydrothermal synthesis and characterized structurally by IR and single crystal X-ray diffraction.1 crystallizes in the orthorhombic space group Pnna,2 in monoclinic space group P2/n.The aqueous solution of complex 1 shows interesting fluorescent property caused by pda2-ligand at room temperature.更多还原