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Acta Cryst. (2007). E63, i178 [ doi:10.1107/S1600536807040615 ]
Abstract: Single crystals of the title compound, undecastrontium indium nonaantimonide, have been synthesized from a high-temperature reaction using a stoichiometric ratio of the elements Sr and Sb and excess In to act as a self-flux. The noncentrosymmetric structure has been determined from single-crystal X-ray diffraction data and has been found to be of the Ca11InSb9 structure type (Pearson code oI84). The structure can be visualized as being built of 11 Sr2+ cations, an [InSb4]9- tetrahedron, an [Sb2]4- dimer and three Sb3- anions. One of six crystallographically independent Sr atoms, one of five Sb atoms and the In atom are located on positions with ..2 symmetry.
Online 22 August 2007
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