Potassium silver tin selenide, K(2)Ag(2)Sn(2)Se(6).
The title compound was synthesized by a reactive salt reaction at 773 K over a period of 5 d. It has a one-dimensional chain structure consisting of K(+) cations and one-dimensional [Ag(2)Sn(2)Se(6)](2-) anions. The chain is constructed by edge-sharing bitetrahedral [Sn(2)Se(6)] units connected in a 1:2 ratio via linear Ag(+) ions.
Guo
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Department of Chemistry, Beijing University of Chemical Technology, Beijing 100029, People's Republic of China. guohy@public.fhnet.cn.net
Li
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Yang
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Wang
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Huang
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Li
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