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
收藏
页码：651 / 654
页数：4
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