NEW TERNARY INTERMETALLIC COMPOUNDS WITH CLATHRATE STRUCTURE - BA8(T,SI)6SI40 AND BA6(T,GE)6GE40 WHERE T = NI, PD, PT, CU, AG, AU

被引：144
作者：
CORDIER, G
WOLL, P
机构：
[1] Eduard-Zintl-Institut der Technischen Hochschule Darmstadt, Abteilung Anorganische Chemie II, Hochschulstraße 10
来源：
JOURNAL OF THE LESS-COMMON METALS | 1991年 / 169卷 / 02期
关键词：
D O I：
10.1016/0022-5088(91)90076-G
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 isotypic compounds Ba8[(T,Si)6Si40] and Ba6[(T,Ge)6Ge40] (T = Ni, Pd, Pt, Cu, Ag, Au) are cubic (space group Pm3m, Z = 1) with the following lattice constants: Ba8[Ni1.8Si44.2], a = 1028.5(5) pm; Ba8[Pd2.5Si43.5], a = 1034.5(8) pm; Ba8[Pt2.7Si43.3], a = 1035.4(2) pm; Ba8[Cu4.0Si42], a = 1034.4(5) pm; Ba8[Ag3.8Si42.2], a = 1047.8(6) pm; Ba8[Au6Si40], a = 1042.2(2) pm; Ba8[Ni6Ge40], a = 1067.6(5) pm; Ba8[Pd6Ge40], a = 1078.1(1) pm; Ba8[(Pt,Ge)6Ge40], a = 1074.5(l) pm; Ba8[Cu6Ge40], a = 1068.59(8) pm; Ba8[Ag6Ge40], a = 1084.0(1) pm; Ba8[Au6Ge40], a = 1079.87(7) pm. Transition metals together with group IV element atoms are arranged in an [X46] framework of the K8[Si46] structure type.
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页码：291 / 302
页数：12
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