CRYSTAL-STRUCTURE OF R15NI96-XGAX (R-EQUIVALENT-TO-SM, Y, TB, DY, ER, TM, YB, LU)

被引：2
|
作者：
WASYLECHKO, LO
SICHEWICH, OM
GRIN, YN
机构：
[1] Institute of Inorganic Chemistry, Lvov University, Lvov
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 1992年 / 185卷 / 01期
关键词：
Crystal structure - Gallium alloys - Intermetallics - Nickel alloys;
D O I：
10.1016/0925-8388(92)90548-N
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 the compound Sm15Ni52Ga44 was investigated by means of single-crystal methods (autodiffractometer "Syntex" P2(1), Mo K-alpha, graphite monochromator): space group P6m2BAR, a=8.771(1) angstrom; c=25.061(4) angstrom, Z=15, R(F)=0.079 for 391 reflections using the isotropic approximation for thermal parameters. The shortest interatomic distances are: Sm-Sm, 3.87; Sm-Ga, 2.76; Sm-Ni, 2.66; Ga-Ga, 2.20; Ni-Ni, 2.32; Ni-Ga, 2.30 angstrom. The coordination numbers for the atoms are: samarium, 18-20; nickel, 11, 12, 14; gallium, 11, 12, 14.
引用
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页码：19 / 24
页数：6
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