ON THE CRYSTAL-STRUCTURE OF BARIUM-COPPER-ORTHOARSENATE BACU2(ASO4)2

被引：7

作者：

OSTERLOH, D ^{[1
]}

MULLERBUSCHBAUM, H ^{[1
]}

机构：

[1] CHRISTIAN ALBRECHTS UNIV KIEL,INST ANORGAN CHEM,OLSHAUSENSTR 40-60,D-24098 KIEL,GERMANY

来源：

ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 1994年 / 620卷 / 04期

关键词：

BARIUM; COPPER; ARSENIC; OXIDE; CRYSTAL STRUCTURE;

D O I：

10.1002/zaac.19946200412

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Single crystals of BaCu2(AsO4)2 were prepared above 1000-degrees-C by CO2-LASER technique and investigated by X-ray structure determination. The light blue crystals show monoclinic symmetry, space group C2h5-P2(1)/n, a = 4.752; b = 8.506; c = 8.945 angstrom; beta = 93.49-degrees, Z = 2. BaCu2(AsO4)2 represents a hitherto unknown structure type with Cu2, in trigonal bipyramidal coordination. Ba2+ shows an 8 + 2 surrounding by O2- and As5+ is tetrahedrally coordinated. The crystal structure is discussed with respect to related orthophosphates and vanadates.

引用

页码：651 / 654

页数：4

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