Structures and Photoluminescence Properties of Four Cadmium(II) Coordination Polymers Synthesized by Rigid Ligands and N-Donor Ligands
作者:Qing-Guo Meng、Lin-Tong Wang、Ji-Tao Lu、Xin Wang、Wei Lu、Zi-Yu Song
DOI:10.1071/ch14341
日期:——
[Cd2(dna)2(2,2′-bpy)2]n (1), [Cd4(dna)4(im)3]·5H2O}n (2), [Cd2(dna)2(4,4′-bpy)(H2O)2]·2EtOH}n (3), and [Cd4(dna)4(1,3-dpp)4(H2O)4]·2H2O}n (4) (H2dna = 4,6-dimethyl-5-nitroisophthalic acid; 2,2′-bpy = 2,2′-bipyridine; im = imidazole; 4,4′-bpy = 4,4′-bipyridine; 1,3-dpp = 1,3-di(4-pyridyl)propane; and EtOH = ethanol, have been solvothermally synthesized and characterized. Compound 1 displays a one-dimensional
四种金属-有机配位聚合物,[Cd 2(dna)2(2,2'-bpy)2 ] n(1),[Cd 4(dna)4(im)3 ]·5H 2 O} n(2),[Cd 2(dna)2(4,4'-bpy)(H 2 O)2 ]·2EtOH} n(3)和[Cd 4(dna)4(1,3-dpp)4(H 2 O)4 ]·2H 2 O} n(4)(H2 dna = 4,6-二甲基-5-硝基间苯二甲酸; 2,2'-bpy = 2,2'-联吡啶; im =咪唑;4,4'-bpy = 4,4'-联吡啶; 1,3-dpp = 1,3-二(4-吡啶基)丙烷; 溶剂热合成并表征了EtOH和乙醇。化合物1显示一维(1D)阶梯结构,相邻的阶梯通过π··π相互作用进一步稳定,从而形成二维(2D)层。化合物2形成基于无限1D [Cd 2(COO)4 ] n链的2D层,并且im配体充当末端配体,从而阻止了维数的扩展。化合物3具有基于binuclear