On a new oxoiridate(V) of the Sr4PtO6 type: NaSr3IrO6

被引:16
作者
Frenzen, S [1 ]
MullerBuschbaum, H [1 ]
机构
[1] CHRISTIAN ALBRECHTS UNIV KIEL,INST ANORGAN CHEM,D-24098 KIEL,GERMANY
来源
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES | 1996年 / 51卷 / 02期
关键词
sodium; strontium; iridium oxide; crystal structure;
D O I
10.1515/znb-1996-0209
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Single crystals of NaSr3IrO6 have been prepared by heating mixtures of Na2O2, SrO and iridium in closed silver tubes and were investigated by X-ray techniques, NaSr3IrO6 crystallizes with trigonal (rhombohedral) symmetry in the space group D-3d(6)-R(3) over barc$, a = 9.636(2), c = 11.556(3) Angstrom, Z = 6, and is isotypic to compounds of the Sr4PtO6 type. The substitution of Sr2+ by Na+ in NaSr3IrO6 led to an ordered metal distribution and an increase of the oxidation state from Ir-IV to Ir-V.
引用
收藏
页码:225 / 228
页数:4
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