高等学校化学学报

高等学校化学学报 ›› 1991, Vol. 12 ›› Issue (11): 1425.

• 论文 • 上一篇    下一篇

K10H3[Ln(SiMo11-nWnO39)2]·mH2O(n=5,7,9)的合成、结构和性质研究

周百斌, 单永奎, 刘宗绪, 张锡龙   

  1. 哈尔滨师范大学化学系, 哈尔滨, 150080
  • 收稿日期:1990-07-20 出版日期:1991-11-24 发布日期:1991-11-24
  • 通讯作者: 单永奎
  • 基金资助:

    国家自然科学基金

Studies on the Synthesis, Structure and Properties of K10H3[Ln(SiMo11-nWnO3)2]·mH2O(n=5,7,9)

Zhou Bai-bin, Shan Yong-kui, Liu Zong-xu, Zhang Xi-long   

  1. Department of Chemistry, Harbin Normal University, Harbin, 150080
  • Received:1990-07-20 Online:1991-11-24 Published:1991-11-24

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摘要： 研究了K10H3[Ln(SiMo11-nWnO392]·mH2O(n=5,7,9;Ln=La3+,Ce3+,Pr3+,Nd3+,Sm3+,Eu3+,Gd3+,Dy3+,Yb3+)的合成方法。测定了K10H3[Pr(SiMo6W5O39)2]·30H2O的晶体结构,P21/n空间群,晶胞参数:a=1.7134(3)nm,b=2.6896(5)nm,c=2.1232(3)nm,β=103.60(3)°,Z=4.讨论了所合成配合物的IR光谱、电子光谱和X射线扮末衍射的特征。热分解性质研究结果表明,不同系列的配合物的分解温度范围:n=5,250～300℃;n=7,300～350℃;n=9,350～400℃。

关键词: 晶体结构, 镧系元素, 杂多酸配合物

Abstract: In this paper a synthetic method of K10H3[Ln(SiMo11-nWnO39)2·mH2O(n=5,7,9) (n=5,7,9;Ln=La3+,Ce3+,Pr3+,Nd3+,Sm3+,Eu3+,Gd3+,Dy3+,Yb3+)was studied. The crystal structure of K10H3[Pr(SiMo6W5O39)2]·30H2O was determined,the crystal adta are as follows;monoclinic,space group P21/n空间群,晶胞参数:a=1.7134(3)nm,b=2.6896(5)nm,c=2.1232(3)nm,β=103.60(3)°,Z=4. The characteristics of IR spectra, electronic spectra and X-ray powder diffraction of the of the new complexes were discussed. The investigation results of pyrolytic property proved that the pyrolysis temperature range of them was:n=5,250～300℃;n=7,300～350℃;n=9,350～400℃.

Key words: Crystal structure, Lanthanide, Heteropoly acid complex

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