Crystal structure of Ge4Se9:: a new germanium selenide with Se2 pairs breaking the edge-sharing GeSe4 tetrahedra in GeSe2

被引:18
|
作者
Fjellvåg, H [1 ]
Kongshaug, KO [1 ]
Stolen, S [1 ]
机构
[1] Univ Oslo, Dept Chem, N-0315 Oslo, Norway
来源
JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS | 2001年 / Royal Society of Chemistry卷 / 07期
关键词
D O I
10.1039/b009794m
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The crystal structure of the new germanium selenide Ge4Se9 has been determined by powder X-ray diffraction. It shows a new feature for this class of compounds; corner sharing of tetrahedra via Se-2 dimers with short Se-Se bonds. Structurally, Ge4Se9 is related to GeSe2 in that the edge-sharing tetrahedra in ambient pressure GeSe2 are split by the introduction of Se-2 pairs.
引用
收藏
页码:1043 / 1045
页数:3
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