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Results for “I-Rb-Sn”

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DOE OSTI2020

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.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on RbSnI3 by Materials Project

RbSnI3 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Rb1+ is bonded in a 9-coordinate geometry to nine I1- atoms. There are a spread of Rb–I bond distances ranging from 3.89–4.26 Å. Sn2+ is bonded to six I1- atoms to form edge-sharing SnI6 octahedra. There are a spread of Sn–I bond distances ranging from 3.04–3.42 Å. There are three inequivalent I1- sites. In the first I1- site, I1- is bonded in a 5-coordinate geometry to four equivalent Rb1+ and one Sn2+ atom. In the second I1- site, I1- is bonded in a 5-coordinate geometry to two equivalent Rb1+ and three equivalent Sn2+ atoms. In the third I1- site, I1- is bonded in a 5-coordinate geometry to three equivalent Rb1+ and two equivalent Sn2+ atoms.

36 MATERIALS SCIENCE↗