Ternary halides of the A(3)MX(6)type .7. The bromides Li3MBr6 (M = Sm-Lu, Y): Synthesis, crystal structure, and ionic mobility

被引：35
|
作者：
Bohnsack, A
Balzer, G
Wickleder, MS
Gudel, HU
Meyer, G
机构：
[1] UNIV COLOGNE,INST ANORGAN CHEM,D-50939 COLOGNE,GERMANY
[2] UNIV HANNOVER,INST ANORGAN CHEM,D-3000 HANNOVER,GERMANY
[3] SONDERFORSCH BEREICH 173,D-3000 HANNOVER,GERMANY
[4] UNIV BERN,INST ANORGAN ANALYT & PHYS CHEM,CH-3000 BERN,SWITZERLAND
来源：
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 1997年 / 623卷 / 09期
关键词：
lithium; rare earth halides; crystal structure; ionic conductivity; NMR spectroscopy;
D O I：
10.1002/zaac.19976230905
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The bromides Li3MBr6 (M=Sm-Lu, Y) are obtained from the binary components LiBr and MBr3. They crystallize with a substitution/addition variant of the AlCl3-type of structure as was established from single crystal X-ray diffraction data for Li3ErBr6 (monoclinic, C2/m, Z=2, a=689.0(3), b=1191.6(9), c=684.2(6)pm, beta=109.77(6)degrees) and by powder X-ray diffraction for the remaining bromides. They are isotypic with Na3GdI6 and Li3ScCl6, respectively. Impedance spectroscopy and Li-7-NMR spectroscopy show that the lithium ions are highly mobile.
引用
收藏
页码：1352 / 1356
页数：5
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