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Pentacaesium henicosamolybdenum tricosasulfur is isostructural with Cs5Mo21Se23 and is the third member in the series M2n-1Mo6n+3X6n+5 (M = Rb, Cs; X = S, Se, Te). Its crystal structure contains as the main building block an Mo21S23 cluster unit, the Mo core of which consists of six face-sharing Mo6 octahedra. The decrease in the ionic radii of the chalcogen results in a shortening of the Mo-Mo intertriangle distances while the intratriangle ones do not change significantly. The shortest intercluster Mo-Mo distance also decreases from 3.342 (3) Å in Cs5Mo21Se23 to 3.1687 (9) Å in Cs5Mo21S23.

Supporting information

cif

Crystallographic Information File (CIF)
Contains datablocks cs5, global

fcf

Structure factor file (CIF format)
Contains datablock cs5

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