稀土配合物Nd(C5H8NO3)2(C3H5N2) 2Cl3&#8226;4H2O的合成、表征及性能研究

稀土配合物Nd(C5H8NO3)2(C3H5N2) 2Cl3•4H2O的合成、表征及性能研究

摘要: 合成了稀土氯化钕与N-乙酰-DL-丙氨酸(C5H9NO3,Ac-Ala)及咪唑(C3H4N2,Im)的三元配合物,通过元素分析和化学分析确定其化学组成为Nd(C5H8NO3)2(C3H5N2)2Cl3.4H2O,并通过FTIR、UV、1HNMR、13C NMR和X-射线粉末衍射的等手段对目标配合物的结构进行了表征.根据DSC和TG-DTG曲线研究了配合物的热分解过程.配合物水溶液的荧光性质测试表示,形成配合物后,配合物水溶液发生了荧光淬灭现象,在10-2~10-4mol/L浓度范围内荧光强度与溶液浓度呈正相关.

Abstract: A new ternary complex of Neodymium chloride with N-acetyl-DL-alanine(C5H9NO3,Ac-Ala) and imidazole(C3H4N2,Im) was synthesized.Its composition was determined to be Nd(C5H8NO3)2(C3H5N2)2Cl3·4H2O by chemical and elemental analyses.It was characterized by FTIR,UV,1H NMR,13C NMR and X-ray powder analysis.The thermal decomposition of the complex was studied by DSC and TG-DTG curve. Fluorescence measurement of the complex in solution showed that fluorescence quenching occured after the formation of the complex.It ...