Materials Data on CsRb2YCl6 by Materials Project
(Rb)2CsYCl6 crystallizes in the cubic Fm-3m space group. The structure is three-dimensional and consists of eight rubidium molecules and one CsYCl6 framework. In the CsYCl6 framework, Cs1+ is bonded to six equivalent Cl1- atoms to form CsCl6 octahedra that share corners with six equivalent YCl6 octahedra. The corner-sharing octahedral tilt angles are 0°. All Cs–Cl bond lengths are 3.26 Å. Y3+ is bonded to six equivalent Cl1- atoms to form YCl6 octahedra that share corners with six equivalent CsCl6 octahedra. The corner-sharing octahedral tilt angles are 0°. All Y–Cl bond lengths are 2.64 Å. Cl1- is bonded in a linear geometry to one Cs1+ and one Y3+ atom.
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