Materials Data on Rb2SnI6 by Materials Project
Rb2SnI6 crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Rb1+ is bonded to twelve equivalent I1- atoms to form RbI12 cuboctahedra that share corners with twelve equivalent RbI12 cuboctahedra, faces with six equivalent RbI12 cuboctahedra, and faces with four equivalent SnI6 octahedra. All Rb–I bond lengths are 4.19 Å. Sn4+ is bonded to six equivalent I1- atoms to form SnI6 octahedra that share faces with eight equivalent RbI12 cuboctahedra. All Sn–I bond lengths are 2.90 Å. I1- is bonded in a distorted single-bond geometry to four equivalent Rb1+ and one Sn4+ atom.
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