Materials Data on Yb(MgBi)2 by Materials Project
YbMg2Bi2 crystallizes in the trigonal P-3m1 space group. The structure is three-dimensional. Mg is bonded to four equivalent Bi atoms to form MgBi4 tetrahedra that share corners with six equivalent YbBi6 octahedra, corners with six equivalent MgBi4 tetrahedra, edges with three equivalent YbBi6 octahedra, and edges with three equivalent MgBi4 tetrahedra. The corner-sharing octahedra tilt angles range from 13–56°. There are three shorter (2.95 Å) and one longer (3.01 Å) Mg–Bi bond lengths. Yb is bonded to six equivalent Bi atoms to form YbBi6 octahedra that share corners with twelve equivalent MgBi4 tetrahedra, edges with six equivalent YbBi6 octahedra, and edges with six equivalent MgBi4 tetrahedra. All Yb–Bi bond lengths are 3.32 Å. Bi is bonded to four equivalent Mg and three equivalent Yb atoms to form a mixture of distorted edge and corner-sharing BiYb3Mg4 pentagonal bipyramids.
- 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:
- 1747129
- Report Number(s):
- mp-1068042
- Country of Publication:
- United States
- Language:
- English
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