CRYSTALLOGRAPHIC ANALYSIS OF SULFIDES RELATED TO BISMUTHINITE Bi2S3

被引:3
作者
Borisov, S. V. [1 ]
Magarill, S. A. [1 ]
Pervukhina, N. V. [1 ]
机构
[1] Russian Acad Sci, Nikolaev Inst Inorgan Chem, Siberian Branch, Novosibirsk, Russia
关键词
crystallographic analysis; sulfides; pseudotetragonal cation framework; pseudohexagonal anion framework; bismuthinite Bi2S3-aikinite CuPbBiS3 family; cation and anion sublattices; symmetry-composition relationship; SOLID-SOLUTION SERIES; CRYSTAL-STRUCTURE; PB;
D O I
10.1134/S0022476616040119
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The crystallographic analysis of Bi2S3, CuPbBi5S9, CuPbBi3S6, and CuPbBiS3 compounds, representing a series with a successive replacement of a part of Bi atoms by Pb+Cu, shows that they are characterized by a stable combination of a pseudotetragonal cation framework with a pseudohexagonal anion one, which is common for all structures, within orthorhombic unit cells with n sizes of 11.2 angstrom, 4 angstrom, and 11.5 angstrom. The Bi2S3 cation framework is retained for the heavy Bi+Pb, and additional light Cu fill the available vacant sites without changing its geometry but varying the crystallographic symmetry within the orthorhombic crystal symmetry and unit cells of n standard blocks (11.2x4x11.5 angstrom(3)).
引用
收藏
页码:704 / 709
页数:6
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