Construction of a New (4,8)-Connected Coordination Polymer Based on the Zinc Cluster:Structure, Topology, and Luminescence

摘要

The title complex,[Zn3(L)2(H2O)2]n (1,H3L =5-((3-formylphenoxy)methyl)isophthalic acid),has been synthesized under hydrothermal conditions and structurally characterized by single-crystal X-ray diffraction,IR spectroscopy and thermogravimetric analysis.Compound 1 exhibits a 3D binodal (4,8)-connected net based on trinuclear [Zn3(COO)4] clusters with the topology symbol of (416·612)(44·62)2.It crystallizes in monoclinic system,space group P21/c,with a =13.548(3),b =13.291(3),c =8.2750(1) (A),β =97.08(3)°,V =1478.7(6) (A)3,Z =2,Mr=858.6 g/mol,Dc =1.928 mg/m3,μ =2.49 mm-1,F(000) =864,GOOF =1.12,the final R =0.0457 and wR =0.1329 for 4334 observed reflections with Ⅰ ＞ 2σ(I).Additionally,the photoluminescent behaviours of 1 and H3L have also been investigated in the solid state at room temperature.