CRYSTAL-STRUCTURE OF Y3PT4GE6 - AN INTERGROWTH OF BAAL4 AND YIRGE2 SLABS

被引：15
|
作者：
VENTURINI, G
MALAMAN, B
机构：
[1] Laboratoire de Chimie du Solide Minéral, associé Au CNRS No. 158, Université de Nancy I, 54506 Vandoeuvre les Nancy Cedex
来源：
JOURNAL OF THE LESS-COMMON METALS | 1990年 / 167卷 / 01期
关键词：
D O I：
10.1016/0022-5088(90)90288-U
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The structure of Y3Pt4Ge6 has been determined and refined from single-crystal X-ray diffraction (R = 0.047 for 40 parameters). The space group is P21/m (Z = 2). The cell parameters are a = 8.6922(26) A ̊, b = 4.3062(8) A ̊, c = 13.1615(32) A ̊ and β = 99.45(4)°. The platinum atoms are located in pyramidal sites and build a three-dimensional network with germanium atoms. The germanium and platinum coordination polyhedra of yttrium are hexagonal and pentagonal prisms. The Y3Pt4Ge6-type structure is a new member of the inhomogeneous linear structures built from YIrGe2 and BaAl4 slabs. © 1990.
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页码：45 / 52
页数：8
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