Materials Data on CsK2SbF6 by Materials Project
(K)2CsSbF6 crystallizes in the cubic Fm-3m space group. The structure is three-dimensional and consists of eight potassium molecules and one CsSbF6 framework. In the CsSbF6 framework, Cs1+ is bonded to six equivalent F1- atoms to form CsF6 octahedra that share corners with six equivalent SbF6 octahedra. The corner-sharing octahedral tilt angles are 0°. All Cs–F bond lengths are 2.80 Å. Sb3+ is bonded to six equivalent F1- atoms to form SbF6 octahedra that share corners with six equivalent CsF6 octahedra. The corner-sharing octahedral tilt angles are 0°. All Sb–F bond lengths are 2.20 Å. F1- is bonded in a linear geometry to one Cs1+ and one Sb3+ atom.