RE（NO_3）_3·（GLy）_3·nH_2O配合物的合成和表征

SYNTHESESX AND CHARACTERIZATION OFRE(NO_3)_3 . (Gly)_3 . nH_2O

本文在水溶液中合成了镧、镨、钐和钆四种稀土硝酸盐与甘氨酸的固态配合物。化学分析表明，它们的化学组成分别是Ｌａ（ＮＯ＿３）＿３·（ＧＬｙ）＿３·Ｈ＿２Ｏ、Ｐｒ（ＮＯ＿３）＿３·（ＧＬｙ）＿３·Ｈ＿２Ｏ、Ｓｍ（ＮＯ＿３）＿３·（ＣＬｙ）＿３·３Ｈ＿２Ｏ和Ｇｄ（ＮＯ＿３）·（ＧＬｙ）＿３·３Ｈ＿２Ｏ。用红外光谱法和Ｘ射线衍射法测定了配合物的结构特征，表明它们是一类完全不同于稀土硝酸盐和甘氨酸的新化合物。同时，考察了配合物在几种常见溶剂中的溶解性。

In this papor , the complexes of rare earth (La.Pr .Sm. Gd)Nitrate with giycine were prepored.The elecentary anaiysis showed that the compounds composition agree with La(NO_3)_3 . (Gly)_3 .H_2O. Pr(NO_3)_3 . (Gly)_30 .H_2O.Sm (NO_3)_3 . (Gly)_3 . 3H_2O and Gd (NO_3)_3 . (Gly)_3 . 3H_2O.All complexes were characterized by X-ray diffraction and infrared spotra, the data showed thatthe complex was a new compound, rather than a mixture. The sotubility of the complexes in gener.al solvents were studied consequently.