Crystal structure of new selenosilicates Pb1.75M0.5SiSe4 (M=Cu and Ag)

被引：3
|
作者：
Gulay, LD
Huch, MR
Wolcyrz, M
Olekseyuk, ID
机构：
[1] Polish Acad Sci, Inst Low Temp & Struct Res, PL-50950 Wroclaw, Poland
[2] Volyn State Univ, Dept Gen & Inorgan Chem, UA-43009 Lutsk, Ukraine
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2005年 / 402卷 / 1-2期
关键词：
chalcogenides; Ph compounds; Cu compounds; Ag compounds; Si compounds; Se compounds; crystal structure; X-ray powder diffraction;
D O I：
10.1016/j.jallcom.2005.04.172
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The crystal structure of new selenosilicates Pb1.75M0.5SiSe4 (M = Cu and Ag) was investigated using X-ray powder diffraction (space group I43d, Pearson symbol cI116: a = 1.4345(1) nm for Pb1.75Cu0.5SiSe4; a = 1.44995(2) nm for Pb1.75Ag0.5SiSe4). The structure consists of isolated [SiSe4](4-) tetrahedra and contains three different sites for metal counter-cations. The structure arrangement is similar to those of alpha-Pb2GeS4 and Tl3VS4. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：115 / 117
页数：3
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