Pb3Te2O6Br2

被引：3

作者：

Weil, Matthias ^{[1
]}

Stoeger, Berthold ^{[1
]}

机构：

[1] Vienna Univ Technol, Inst Chem Technol & Analyt, Div Struct Chem, A-1060 Vienna, Austria

来源：

ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE | 2010年 / 66卷

关键词：

PB3TEO4X2; X; CL;

D O I：

10.1107/S1600536809053604

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

Single crystals of the title compound, trilead(II) bis-[tellurate(IV)] dibromide, have been grown under hydrothermal conditions. The structure is isotypic with that of the chloride analogue, Pb3Te2O6Cl2, and consists of three Pb, two Te, two Br and four O atoms in the asymmetric unit. Except for two of the O atoms, all atoms are located on mirror planes. The Pb3Te2O6Br2 structure can be described as being built up from (2)(infinity)[Pb3Te2O6](2+) layers extending parallel to (20 (1) over bar) and Br- anions between the layers. Cohesion of the structure is accomplished through Pb-Br contacts of two of the three lead atoms, leading to highly asymmetric coordination polyhedra. The lone-pair electrons of both Te-IV and Pb-II atoms are stereochemically active and point towards the anionic halide layers.

引用

页码：I7 / U144

页数：8

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