Dipraseodymium(III) pyroborate molybdate(VI), Pr2(B2O5)(MoO4)

被引:3
|
作者
Held, Peter [1 ]
Becker, Petra [1 ]
机构
[1] Univ Cologne, Inst Kristallog, D-50674 Cologne, Germany
关键词
D O I
10.1107/S1600536808010386
中图分类号
O7 [晶体学];
学科分类号
0702 ; 070205 ; 0703 ; 080501 ;
摘要
Single crystals of triclinic Pr-2(B2O5)(MoO4) were prepared from an incongruently melting flux in the system Pr2O3-MoO3-B2O3 in a platinum crucible in an atmosphere of air. In the crystal structure, distorted edge-sharing [PrO8] square antiprisms form a three-dimensional framework. These are further linked by isolated [MoO4] tetrahedra and isolated pyroborate groups [B2O5], the latter consisting of two independent trigonal [BO3] groups sharing one O atom. The [MoO4] tetrahedra and the [B2O5] groups are arranged in alternating layers parallel to the ab plane.
引用
收藏
页码:I28 / U10
页数:10
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