Structure of the hydrated pyrochlore NaW2O6 • nH2O

被引：5
|
作者：
Thorogood, Gordon J.
Kennedy, Brendan J. [1 ]
Luca, Victor
机构：
[1] Univ Sydney, Sch Chem, Sydney, NSW 2006, Australia
[2] Australian Nucl Sci & Technol Org, Inst Mat Sci & Engn, Menai, NSW 2234, Australia
来源：
PHYSICA B-CONDENSED MATTER | 2006年 / 385卷
关键词：
pyrochlore; hydrothermal; structure; neutron diffraction;
D O I：
10.1016/j.physb.2006.05.112
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The structure of the non-stoichiometric pyrochlore NaW2O6 center dot nH(2)O has been refined from powder neutron diffraction data using the Rietveld method. The stoichiometry found from the structural refinements is Na0.85(2)W2.02(2)O6 center dot 0.92(5)H2O in good agreement with other analytical studies. The Na cation is seven-coordinated bonding to six framework oxygen atoms and one oxygen atom from the water. The refinements show a disordered H2O Molecule to be present with the O(2) on a 32e site and the H(1) 48f site. Crown Copyright (c) 2006 Published by Elsevier B.V. All rights reserved.
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收藏
页码：91 / 93
页数：3
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