Synthesis, Crystal Structure and Fluorescent Properties of a New One-Dimensional Polymer [Sm(sal)_4(phen)_2Na]_n  

作　　者：徐存进 杨辉 

机构地区：[1]Center of Nanometer Science and Technology, Zhejiang University Hangzhou 310027, China [2]Department of Chemistry, Hangzhou Normal College, Hangzhou 310012, China

出　　处：《Journal of Rare Earths》2005年第1期99-102,共4页稀土学报（英文版）

基　　金：Project supported by the Science Planning Project of Zhejiang Province (2003G10006) and the Science and Research Planning Project of Zhejiang Provincial Education Department (0424XP18)

摘　　要：The title complex, [Sm(sal)_4(phen)_2Na]_n (Ⅰ), where Hsal=salicylic acid, phen=1, 10-phenanthroline, was synthesized by the reaction of samarium chloride with phen and Hsal in ethanol solution and its crystal structure was determined by X-ray diffraction. The crystal is monoclinic, space group C2/c with cell dimensions of a=2 84989 (7) nm, b=0 93347 (2) nm, c=2.27954 (5) nm, β=132.4010 (8)°, V=4.4781 (2) nm^3, Z=4, μ (Mo Kα)=13.97 cm^(-1), D_c=1.605 g·cm^(-3). The title complex is a compound, with centre of the Sm and Na atoms which are bridged by two carboxylate ligands. The structure of the complex demonstrates one-dimensional chain bridged by carboxyl groups. The fluorescence spectrum of the complex indicates that the second ligand phen shows enhancement effect on the fluorescence of the complex.The title complex, [Sm(sal)_4(phen)_2Na]_n (Ⅰ), where Hsal=salicylic acid, phen=1, 10-phenanthroline, was synthesized by the reaction of samarium chloride with phen and Hsal in ethanol solution and its crystal structure was determined by X-ray diffraction. The crystal is monoclinic, space group C2/c with cell dimensions of a=2 84989 (7) nm, b=0 93347 (2) nm, c=2.27954 (5) nm, β=132.4010 (8)°, V=4.4781 (2) nm^3, Z=4, μ (Mo Kα)=13.97 cm^(-1), D_c=1.605 g·cm^(-3). The title complex is a compound, with centre of the Sm and Na atoms which are bridged by two carboxylate ligands. The structure of the complex demonstrates one-dimensional chain bridged by carboxyl groups. The fluorescence spectrum of the complex indicates that the second ligand phen shows enhancement effect on the fluorescence of the complex.

关 键 词：SAMARIUM coordination polymer crystal structure 1  10-phenanthroline salicylic acid rare earths 

分 类 号：O631[理学—高分子化学]