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Acta Cryst. (2009). E65, i34  [ doi:10.1107/S1600536809012495 ]

The Chevrel phase HgMo6S8

D. Salloum, P. Gougeon and M. Potel

Abstract: The crystal structure of HgMo6S8, mercury(II) hexamolybdenum octasulfide, is based on (Mo6S8)S6 cluster units (\\overline{3} symmetry) interconnected through interunit Mo-S bonds. The Hg2+ cations occupy large voids between the different cluster units and are covalently bonded to two S atoms. The Hg atoms and one S atom lie on sites with crystallographic \\overline{3} and 3 symmetry, respectively. Refinement of the occupancy factor of the Hg atom led to the composition Hg0.973 (3)Mo6S8.

Online 18 April 2009


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