Solid State Synthesis and Structural Characterization of the Compound H2 [（n-Bu）4N]3 [As (SiW11O39)]

被引：0
|
作者：
JI Shun-Jun
YU Hong LANG
Jian-Ping(Department of Chemistry
机构：
来源：
结构化学 | 1997年 / 04期
关键词：
crystal structure; undecatungstosilicate complex; arsenic complex;
D O I：
10.14102/j.cnki.0254-5861.1997.04.008
中图分类号：
O614 [金属元素及其化合物];
学科分类号：
070301 ; 081704 ;
摘要：
H2 [(n-Bu)4N]3 [As (SiW11O39)], Mr = 3478. 89, cubic, space groupI43m, a=b=c= 17. 785 (8) A, V=5625. 0 A3, Z= 1, Dc= 2. 05 g/cm3, μ(MoKα)= 118. 3 cm-1, F(000) = 3808, final R= 0. 072 and Rw= 0. 083 for 248 observed re-flections with I≥3. 8σ(I). X-ray analysis shows that the heteropolyanion [As (SiW11-O39)]5- contains a central SiO4 unit encapsulated by a cage composed of arsenic, tung-sten and oxygen atoms.
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页码：290 / 292
页数：3
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