Abstract
Abstract The crystal structure of a new quaternary compound Cu 2 CdSn 3 S 8 has been determined by X-ray powder diffraction. The Cu 2 CdSn 3 S 8 compound is a synthetic analoque of the natural mineral rhodostannite Cu 2 FeSn 3 S 8 and crystallizes in the tetragonal space group I4 1 /a with the lattice parameters a =0.73827(4) and c =1.04152(9) nm. The atomic parameters are refined in the anisotropic approximation to R =0.053. The mode of filling the tetrahedral and octahedral cavities of the anionic close packing has been analyzed taking their sizes into account.
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