Notizen: Darstellung und Kristallstruktur von Cs4Sn2Se6 / Preparation and Crystal Structure of Cs4Sn2Se6
Open Access
- 1 July 1989
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung B
- Vol. 44 (7) , 851-852
- https://doi.org/10.1515/znb-1989-0720
Abstract
The selenostannate(IV) Cs4Sn2Se6 has been prepared by methanolothermal reaction of Cs2CO3 with SnSe2 at 160°C and 13 bar. The [Sn2Se6]4— anions contain two edge-bridged SnSe4 tetrahedra and display crystallographic C2h symmetry. The bridging Sn—Se distances of 2.587(1) are markedly longer than the terminal Sn—Se distances of 2.447(1) and 2.452(2) Å.Keywords
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