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Acta Cryst. (2003). E59, i4-i6  [ doi:10.1107/S1600536802023437 ]

Rb6Nb4S24.4O0.6

P. Stoll and W. Bensch

Abstract: The new rubidium niobium sulfide, Rb6Nb4S24.4O0.6, consists of discrete [Nb4S24.4O0.6]6- anions and Rb+ cations. Every Nb5+ ion is in a sevenfold coordination by sulfide ions in a strongly distorted pentagonal bipyramid, forming a Nb2S11 unit. Two of these units are interconnected by an S3 fragment, yielding the complete anion. The anions are stacked parallel to the crystallographic b axis and are separated by the Rb+ ions.

Online 10 January 2003


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