Pb(3)Te(2)O(6)Br(2)

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, Pb(3)Te(2)O(6)Cl(2), and consists of three Pb, two Te, two Br and four O atoms in the asymmetric unit. Excep...

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Detalles Bibliográficos
Autores principales: Weil, Matthias, Stöger, Berthold
Formato: Texto
Lenguaje:English
Publicado: International Union of Crystallography 2010
Materias:
Inorganic Papers
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2979979/
https://www.ncbi.nlm.nih.gov/pubmed/21579593
http://dx.doi.org/10.1107/S1600536809053604
Descripción
Sumario: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, Pb(3)Te(2)O(6)Cl(2), 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 Pb(3)Te(2)O(6)Br(2) structure can be described as being built up from (∞) (2)[Pb(3)Te(2)O(6)](2+) layers extending parallel to (20[Image: see text]) 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.

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