The crystal structure of R10Co9In20 (R = Er, Tm, Lu) compounds

被引：3
|
作者：
Dubenskii, VP [1 ]
Kalychak, YM [1 ]
Zaremba, VI [1 ]
Goreshnik, EA [1 ]
机构：
[1] Ivan Franko Lviv State Univ, Dept Inorgan Chem, UA-290005 Lviv, Ukraine
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 1998年 / 280卷 / 1-2期
关键词：
crystal structure; coordination polyhedra; indides;
D O I：
10.1016/S0925-8388(98)00708-7
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：
New ternary indides R10Co9In20 (R=Er, Tm, Lu) have been found in the systems {Er, Tm, Lu}-Co-In at 870 K. The crystal structure of Tm10Co9In20 has been refined using single-crystal X-ray data: Ho10Ni9In20 structure type, P4/nmm space group, Z=2, a=13.166(5) Angstrom, c=9.097(4) Angstrom, V=1577(2) Angstrom(3), R=0.0315 for 335 unique reflections hkl (DARTCH-1 diffractometer, MoKalpha radiation). The coordination polyhedra of the Tm atoms have 16 and 17 vertices, those of the In atoms 12 and 13 vertices and those of the Co atoms 8 and 10 vertices. The structure can be described as a stacking of polyhedra formed by In atoms. (C) 1998 Elsevier Science S.A. All rights reserved.
引用
收藏
页码：199 / 203
页数：5
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