Crystal structure determination of AlVMoO7 from X-ray powder diffraction data

被引：6
|
作者：
Knorr, K
Jakubus, P
Dabrowska, G
Kurzawa, M
机构：
[1] Hahn Meitner Inst Kernforsch Berlin GmbH, Dept NE, D-14109 Berlin, Germany
[2] Tech Univ Szczecin, Dept Inorgan Chem, PL-71065 Szczecin, Poland
来源：
EUROPEAN JOURNAL OF SOLID STATE AND INORGANIC CHEMISTRY | 1998年 / 35卷 / 6-7期
关键词：
D O I：
10.1016/S0992-4361(98)80028-3
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The structure of AlVMoO7 was solved by direct methods from high resolution X-ray powder diffraction data and refined by the Rietveld method. The lattice constants are a=5.3763(3)Angstrom, b=8.1644(3)Angstrom and c=12.7312 Angstrom. Space group Pmcn followed from the systematic extinctions and was confirmed by the successful structure solution. Aluminum is octahedrally coordinated by oxygen, whereas vanadium possesses a distorted pyramidal coordination and molybdenum is tetrahedrally coordinated by oxygen atoms. A three dimensional framework structure results from corner and edge connection of the coordination polyhedra. VO5 pyramids are edge linked to infinite (VO2+)(infinity) chains. Therefore, AlVMoO7 can be classified as a polyvanadate.
引用
收藏
页码：519 / 530
页数：12
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