Materials Data on Cs2RbAsI6 by Materials Project
Cs2RbAsI6 is (Cubic) Perovskite-derived structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Cs1+ is bonded to twelve equivalent I1- atoms to form CsI12 cuboctahedra that share corners with twelve equivalent CsI12 cuboctahedra, faces with six equivalent CsI12 cuboctahedra, faces with four equivalent RbI6 octahedra, and faces with four equivalent AsI6 octahedra. All Cs–I bond lengths are 4.51 Å. Rb1+ is bonded to six equivalent I1- atoms to form RbI6 octahedra that share corners with six equivalent AsI6 octahedra and faces with eight equivalent CsI12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. All Rb–I bond lengths are 3.49 Å. As3+ is bonded to six equivalent I1- atoms to form AsI6 octahedra that share corners with six equivalent RbI6 octahedra and faces with eight equivalent CsI12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. All As–I bond lengths are 2.88 Å. I1- is bonded in a distorted linear geometry to four equivalent Cs1+, one Rb1+, and one As3+ atom.
- Research Organization:
- LBNL Materials Project; Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
- Contributing Organization:
- The Materials Project; MIT; UC Berkeley; Duke; U Louvain
- DOE Contract Number:
- AC02-05CH11231
- OSTI ID:
- 1757798
- Report Number(s):
- mp-1112131
- Country of Publication:
- United States
- Language:
- English
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