Ag8GeTe6, ein Vertreter der Argyroditfamilie / Ag8GeTe6, a Representative of the Argyrodite Family
Open Access
- 1 August 1978
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung B
- Vol. 33 (8) , 866-872
- https://doi.org/10.1515/znb-1978-0810
Abstract
A single crystal of Ag8GeTe6 was found to be rhombohedral, pseudocubic, space group R3m, with a = 817.6 pm, a = 60° and Z= 1. The anion lattice consists of three-dimensionally connected Frank-Kasper polyhedra with C. N. 12 and 16. The structure comprises isolated GeTe4-tetrahedra and silver ions, statistically distributed over a number of sites with distorted tetrahedral, trigonal and linear co-ordination. Structural data for some other compounds of the argyrodite family are given.Keywords
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