A Novel 3D Supramolecular Framework of Poly[(5-(oxidediphenylphosphino)isophthalate)zinc(Ⅱ)]: Syntheses and Structure

A novel metal-organic framework, namely [Zn(C20H13O5P)]n(1), has been hydrothermally synthesized through the reaction of 5-(oxidediphenylphosphino)isophthalic acid(H2L) with Zn(Ⅱ) salt. The title compound crystallizes in monoclinic, space group P21/c with a = 11.0966(10), b = 14.5651(14), c = 14.7311(15), β = 130.022(6)o, C20H13O5 PZn, Mr = 429.64, V = 1823.3(3) 3, Dc = 1.565 g/cm3, F(000) = 872, μ = 1.463 mm-1, S = 1.054 and Z = 4. The final R = 0.0270 and wR = 0.0739 for 2769 observed reflections with I 2σ(I). In the title complex, the Zn2(CO2)2 binuclear clusters are linked by L2- ligands to result in a pillared layer structure in the bc plane, which is a(4,4)-net composed of helical chains with opposite chirality by sharing Zn2(CO2)2 units. Adjacent layers are further associated together through Zn–O bonds involving the metal center and the oxygen atom of P=O group to achieve a 3D architecture, in which one-dimensional quadrangled channel displays the interweaving of two pairs of coaxial double-helical chains with opposite chirality. The luminescence property and thermogravimetric analysis of the title complex were investigated.     

基于4-甲基邻苯二甲酸和4,4'-联吡啶混合配体的镉的配合物的合成、结构及荧光性质

通过Cd(OAc)2.2H2O与4-甲基邻苯二甲酸(H2L)及4,4′-联吡啶(bpy)在水热条件下反应得到一个新型的配位聚合物{[Cd(L)(bpy)(H2O)2.2H2O]}n(1),并用元素分析,红外,热重,粉末衍射及单晶X-射线分析法对配合物的结构进行了表征。配合物首先展示二维层状的网络结构,再进一步通过丰富的氢键堆积成三维超分子结构,另外,本文还研究了该配合物的荧光性质。     

基于4-甲基邻苯二甲酸和4,4′-联吡啶混合配体的镉的配合物的合成、结构及荧光性质

通过Cd(OAc)₂·2H₂O与4-甲基邻苯二甲酸(H₂L)及4,4′-联吡啶(bpy)在水热条件下反应得到一个新型的配位聚合物{[Cd(L)(bpy)(H₂O)₂·2H₂O]}_n(1), 并用元素分析, 红外, 热重, 粉末衍射及单晶X-射线分析法对配合物的结构进行了表征。配合物首先展示二维层状的网络结构, 再进一步通过丰富的氢键堆积成三维超分子结构, 另外, 本文还研究了该配合物的荧光性质。