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The title compound, dicaesium gold(I) gold(III) hexaiodide, has a distorted perovskite structure. The crystal contains compressed and elongated [AuI6] octahedra, which are stacked alternately along the [001] and [110] directions by sharing all the corner I atoms. The compound is also characterized by the assembly of the gold complex ions, [AuII2]- and [AuIIII4]-. The position of the two halogen atoms of Cs2AuIAuIIII6 is closer to the midpoint between the two Au atoms than in Cs2AuIAuIIICl6. On the other hand, the distortion from the cubic system to the tetragonal system in the iodide compound is slightly larger than that in the chloride.

Supporting information

cif

Crystallographic Information File (CIF)
Contains datablock CAI

hkl

Structure factor file (CIF format)
Supplementary material

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