Synthesis and crystal structure of Rb6Pb5Cl16

被引:0
|
作者
Beck, HP [1 ]
Schramm, M
Haberkorn, R
Dinnebier, R
Stephens, PW
机构
[1] Univ Saarlandes, Fachrichtung Anorgan & Analyt Chem & Radiochem, D-66123 Saarbrucken, Germany
[2] Univ Bayreuth, Inst Crystallog, Bayreuth, Germany
[3] Brookhaven Natl Lab, Natl Synchrotron Light Source, Upton, NY 11973 USA
来源
关键词
ternary halide; lone pair cation; high coordination;
D O I
10.1002/(SICI)1521-3749(199803)624:3<393::AID-ZAAC393>3.0.CO;2-V
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The synthesis of a hitherto unknown 6:5 phase in the quasi-binary system RbCl/PbCl2 and its structure determination is reported. The compound Rb6Pb5Cl16 crystallizes in the tetragonal space group P4/mbm with a large variety of different coordination polyhedra for the cations. Special feature of the structure is a statistical distribution of Rb and Pb at one of the cation sites with a ratio of 1:3 as defined by electroneutrality. There is no evidence for symmetry reduction by ordering.
引用
收藏
页码:393 / 398
页数:6
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