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Acta Cryst. (2006). E62, i173-i175 [ doi:10.1107/S1600536806025323 ]
Abstract: The title compound, magnesium triiridium heptasilicide, was synthesized by reaction of the elemental components in a sealed tantalum container. It crystallizes in space group R
c and adopts the ScRh3Si7 structure type. Mg, Ir and one of the two cystallographically independent Si atoms are in special positions with site symmetries , 2 and 32, respectively. MgIr3Si7 shows metallic conductivity and remarkable chemical inertness.
Online 12 July 2006
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