Synthesis, Crystal Structure and Fluorescence Properties of Cadmium Complexes of Pyridine-2-formaldehyde Hydrazone

被引:3
作者
Huang Miao-Ling [1 ,2 ]
Luo Geng-Deng [1 ]
Lin Jin-Qing [1 ]
机构
[1] Huaqiao Univ, Minist Educ, Key Lab Environm Friendly Funct Mat, Coll Mat Sci & Engn, Xiamen 361021, Fujian, Peoples R China
[2] Quanzhou Normal Univ, Coll Chem Engn & Mat, Quanzhou 362000, Fujian, Peoples R China
关键词
acylhydrazone; p-chlorophenoxyacetic acid; cadmium complex; crystal structure; fluorescence properties;
D O I
10.11862/CJIC.2021.023
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Three complexes ,[Cd(HL)Cl-2](2) (1), [Cd(HL)(2)Br-2] (2) and [Cd(HL)I-2] (3) (HL=2-(4-chlorophenoxy)-N'-(pyridin-2-ylmethylene)acetohydrazide), were synthesized using a common solution method. The crystal structure and properties were studied by X-ray single crystal diffraction, infrared spectrum, ultraviolet spectrum, fluorescence spectrum and thermogravimetric analysis. The analysis of single crysial diffraction structure shows that complex 1 belongs to monoclinic system, C2Ic space group, and is a diner bridged by chlorine ions. Complex 2 belongs to monoclinic system, P2(1)/c space group. It is a butterfly shaped mononuclear molecule containing two organic ligands. The central Cd2+ ions of complexes 1 and 2 are in a distorted octahedral position. Complex 3 belongs to triclinic system, P (1) over bar space group, in which there is only one organic ligand. The coordination polyhedron of Cd2+ ion of complex 3 is distorted trigonal bipyramid. Solid fluorescence analysis showed that both ligand and complexes had strong fluorescence and emitted green light.
引用
收藏
页码:251 / 258
页数:8
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