Crystal structure of monoclinic modifications of zirconium and hafnium tetrafluoride trihydrates

被引：7
|
作者：
Davidovich, R. L. [1 ]
Pushilin, M. A. [1 ]
Logvinova, V. B. [1 ]
Gerasimenko, A. V. [1 ]
机构：
[1] Russian Acad Sci, Inst Chem, Far Eastern Div, Vladivostok 690022, Russia
来源：
JOURNAL OF STRUCTURAL CHEMISTRY | 2013年 / 54卷 / 03期
关键词：
synthesis; zirconium and hafnium tetrafluorides; X-ray crystallographic analysis; crystal structure; hydrogen bonds;
D O I：
10.1134/S0022476613030104
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The monoclinic modification of ZrF4 center dot 3H(2)O, isostructural to HfF4 center dot 3H(2)O, is synthesized and structurally studied for the first time. Unlike the triclinic modification of ZrF4 center dot 3H(2)O with a dimeric structure, the synthesized compound has a polymer structure formed from infinite chains composed of ZrF6(H2O)(2) groups sharing FaEuro broken vertical bar F edges. The crystal structure of HfF4 center dot 3H(2)O, previously determined by the photo method, is refined. The refined data on the geometric characteristics of the coordination polyhedron of the Hf atom and the system of hydrogen bonds in the structure are obtained.
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收藏
页码：541 / 546
页数：6
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