PHASE-RELATIONS IN THE SYSTEM LIGA-SN AND THE CRYSTAL-STRUCTURES OF THE INTERMEDIATE COMPOUNDS LIGASN AND LI2GA2SN

被引：10
|
作者：
BLASE, W
CORDIER, G
KNIEP, R
机构：
[1] Abteilung Anorganische Chemie Ii, Eduard-Zintl-Instituts, Technischen Hochschule Darmstadt, Darmstadt, D‐64283
来源：
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 1993年 / 619卷 / 07期
关键词：
ZINTL PHASES; SYSTEM LITHIUM-GALLIUM-TIN; CRYSTAL STRUCTURES; INTERMETALLIC COMPOUNDS;
D O I：
10.1002/zaac.19936190703
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The quasibinary system LiGa-Sn contains the intermediate ternary phases Li7Ga7Sn3, Li2Ga2Sn, Li5Ga5Sn3, Li3Ga3Sn2 and LiGaSn. Single crystals of LiGaSn (a = 632.9(4) pm, Fd3m, Z = 4), Li3Ga3Sn2 (a = 445.4(3), c = 1 090.0(2) pm, hP*), Li5Ga5Sn3 (a = 447.0(4), c = 4 220.0(9) pm, hP*) and Li2Ga2Sn (a = 441.1(2), c = 2164.5(7) pm, P6(3)/mmc, Z = 4) have been grown from the melt. The crystal structures of LiGaSn and Li2Ga2Sn have been determined by single crystal X-ray methods (R = 0.029 bzw. 0.107 respectively). The crystal structure of LiGaSn contains a sphalerite-type Ga/Sn-arrangement, the Ga/Sn-arrangement of Li2Ga2Sn corresponds to a stacking variant of the wurtzite- and sphalerite-type. The compounds can be classified in terms of the Zintl concept.
引用
收藏
页码：1161 / 1166
页数：6
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