Syntheses, crystal structures and fluorescent properties of Cd(II), Hg(II) and Ag(I) coordination polymers constructed from 1H-1,2,4-triazole-1-acetic acid
作者:De-Gang Ding、Li-Xia Xie、Yao-Ting Fan、Hong-Wei Hou、Yan Xu
DOI:10.1016/j.jssc.2009.02.026
日期:2009.6
Three new d10 coordination polymers, namely [Cd(taa)Cl]n1, [Hg(taa)Cl]n2, and [Ag1.5(taa)(NO3)0.5]n3 (taa=1H-1,2,4-triazole-1-acatate anion) have been prepared and characterized by elemental analysis, IR, and single crystal X-ray diffraction. Compound 1 consists of two-dimensional layers constructed by carboxyl-linked helical chains, which are further linked through carboxyl group to generate a unique
三种新的d 10配位聚合物,即[Cd(taa)Cl] n 1,[Hg(taa)Cl] n 2和[Ag 1.5(taa)(NO 3)0.5 ] n 3(taa = 1H-1,已制备2,4-三唑-1-a酸酯阴离子,并通过元素分析,红外光谱和单晶X射线衍射进行了表征。化合物1由由羧基连接的螺旋链构成的二维层组成,该层通过羧基进一步连接以生成独特的3D开放框架。拓扑分析表明1的结构可以用Schläfli符号(4.5 2)2(4 2 .5 8 .6 14 .7 3 .8)分类为史无前例的(3,8)连接的网络。化合物2表现出带有Schläfli符号(4 10 .6 2 .8 3)的双重互穿装饰α-α立方网络。化合物3由2D起皱的Ag中心和TAA的由层-桥。另外,所有这些化合物在固态下都是光致发光的,其光谱与配体前体的光谱非常相似。