Synthesis, crystal structure, and thermal behavior of Pr(ClO3)3•2H2O

被引:0
作者
Wickleder, MS [1 ]
机构
[1] Univ Cologne, Inst Anorgan Chem, D-50939 Cologne, Germany
来源
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 1999年 / 625卷 / 11期
关键词
lanthanides; praseodymium; chlorates; crystal structure; thermal behavior;
D O I
10.1002/(SICI)1521-3749(199911)625:11<1771::AID-ZAAC1771>3.0.CO;2-I
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Single crystals of Pr(ClO3)(3). 2H(2)O have been obtained from the reaction of Pr-2(CO3)(3). xH(2)O and HClO3. The crystal structure (orthorhombic, P2(1)2(1)2(1), Z = 4, a = 576.03(7), b = 1236,7(2), c = 1314.0(2) pm) contains Pr3+ ions coordinated by two H2O molecules and seven ClO3- groups. According to DTA/TG measurements, Pr(ClO3)(3). 2H(2)O decomposes in a two step mechanism with Pr(ClO3)(3) as an intermediate and PrOCl as the final product. The decomposition has also been investigated by means of temperature dependent X-ray powder diffraction.
引用
收藏
页码:1771 / 1773
页数:3
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