LI5B7S13 AND LI9B19S33 - 2 LITHIUM THIOBORATES WITH NOVEL HIGHLY POLYMERIC ANION NETWORKS

被引：48
|
作者：
HILTMANN, F [1 ]
ZUMHEBEL, P [1 ]
HAMMERSCHMIDT, A [1 ]
KREBS, B [1 ]
机构：
[1] UNIV MUNSTER,INST ANORGAN CHEM,WILHELM KLEMM STR 8,W-4400 MUNSTER,GERMANY
来源：
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 1993年 / 619卷 / 02期
关键词：
LITHIUM THIOBORATES; PREPARATION; CRYSTAL STRUCTURE;
D O I：
10.1002/zaac.19936190212
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Li5B7S13 (C2/c; a = 17.304(2) angstrom, b = 21.922(3) angstrom, c = 12.233(2) angstrom, 8 = 134.91(1)-degrees; Z = 8) and Li9B19S33 (C2/c; a = 23.669(9) angstrom, b = 14.361(3) angstrom, c = 12.237(3) angstrom, beta = 103.77(2)-degrees; Z = 4) were prepared by reaction of stoichiometric amounts of lithium sulfide, boron, and sulfur at 750-degrees-C (Li5B7S13) and 700-degrees-C (Li9B19S33) with subsequent annealing. The crystal structures consist of interpenetrating, polymeric boron sulfur anion networks which are formed by corner-sharing of B4S10 and B10S20 units (Li5B7S13), or B19S36 units (Li9B19S33). The lithium cations are situated in between with a strong disorder in Li9B19S33.
引用
收藏
页码：293 / 302
页数：10
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