NEW COMPOUNDS WITH ZINC IN SQUARE PYRAMIDAL COORDINATION - BAZNDY2O5 AND BA1.25ZNHO2O5.25 (BA5ZN4HO8O21)

被引：14

作者：

MULLERBUSCHBAUM, H

RABBOW, C

机构：

[1] Institut Für Anorganische Chemie, Universität Kiel, W‐2300

来源：

ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 1993年 / 619卷 / 03期

关键词：

BARIUM-ZINC RARE-EARTH METAL-OXIDE; CRYSTAL STRUCTURE;

D O I：

10.1002/zaac.19936190317

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Single crystals of (I): BaZnDy2O5 and (II): Ba5Zn4Ho8O21 were prepared by high temperature reactions and investigated by X-ray technique. (I) belongs to the BaCuLn2O5 type, space group D2h16-Pbnm; a = 7.084; b = 12.368; c = 5.728 angstrom, Z = 4. (II) is isotypic to Ba5Mn4Ln8O21, space group C4h5-I4/m; a = 13.779; c = 5.707 angstrom, Z = 2. The two different structure types are caused by the small difference in the composition of 0.25 BaO. Analogies and differences will be discussed. In addition the lattice constants of powder samples of Ba5Zn4Ln8O21 (Ln = Eu, Gd, Dy, Ho, Er and Y) are given.

引用

页码：529 / 533

页数：5

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