TlSrPS4, the first strontium quaternary thiophosphate

Belkyal, I., El Azhari, M., Nather, C., Bensch, W. and Depmeier, W. (2007) TlSrPS4, the first strontium quaternary thiophosphate Acta Crystallographica Section E-Structure Reports Online, 63 . I166-U117. DOI 10.1107/s1600536807025445.

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Abstract

The new thallium(I) strontium(II) thiophosphate TlSrPS4 is isostructural with TlPbPS4 and exhibits a layered structure. Each layer is composed of [(SrS6)(TlS6)](n) zigzag chains, which consist of irregular trigonal prisms centred alternately by Tl and Sr atoms. Adjacent [TlS6] and [SrS6] prisms share common triangular faces to form one-dimensional chains parallel to [001]. These chains are connected along [010] by sharing edges of rectangular faces in such a way that the apical edges of the prisms point alternately up and down, forming parallel zigzag layers. The layers are stacked perpendicular to the crystallographic a axis and are held together by [PS4] tetrahedra.

Document Type: Article
Keywords: crystal-structure vibrational-spectrum
Research affiliation: Kiel University
DOI etc.: 10.1107/s1600536807025445
ISSN: 1600-5368
Date Deposited: 12 Jan 2012 05:21
Last Modified: 08 Oct 2012 10:20
URI: http://eprints.uni-kiel.de/id/eprint/15893

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