PREPARATION AND STRUCTURE OF THE TERNARY HYDRIDES LI4RUH6, NA4RUH6, AND LI4OSH6 CONTAINING OCTAHEDRAL TRANSITION-METAL HYDROGEN COMPLEXES

被引：32

作者：

KRITIKOS, M

NOREUS, D

ANDRESEN, AF

FISCHER, P

机构：

[1] STOCKHOLM UNIV,DEPT STRUCTURAL CHEM,S-10691 STOCKHOLM,SWEDEN

[2] INST ENERGITEKNIKK,N-2007 KJELLER,NORWAY

[3] PSI,ETHZ,NEUTRON SCATTERING LAB,CH-5232 VILLIGEN,SWITZERLAND

来源：

JOURNAL OF SOLID STATE CHEMISTRY | 1991年 / 92卷 / 02期

关键词：

D O I：

10.1016/0022-4596(91)90357-N

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Li4RuH6, Na4RuH6, and Li4OsH6 have been synthesized. Structure determinations based on X-ray and neutron powder diffraction data revealed the hydrides to have the rhombohedral K4CdCl6 type structure in space group R3-c (167). With a hexagonal setting the triple unit cell dimensions were Li4RuH6: a = 8.1686(29) Å, c = 10.0255(15) Å; Na4RuH6: a = 9.1526(6) Å, c = 11.3778(11) Å; Li4OsH6: a = 8.2468(38) Å, c = 10.1187(36) Å, and Z = 6. The structure can be characterized by isolated MH4-6 (M =Ru, Os) ions located in a cube of alkali metal ions. The low formal oxidation state of the transition metal atom was attributed to the large polarizability of the metal-hydrogen bond. © 1991 Academic Press, Inc.

引用

页码：514 / 519

页数：6

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