Materials Data on Ho(AlGe)2 by Materials Project
Ho(AlGe)2 crystallizes in the trigonal P-3m1 space group. The structure is three-dimensional. Ho is bonded to six equivalent Ge atoms to form distorted HoGe6 octahedra that share corners with twelve equivalent AlGe4 tetrahedra, edges with six equivalent HoGe6 octahedra, and edges with six equivalent AlGe4 tetrahedra. All Ho–Ge bond lengths are 3.00 Å. Al is bonded to four equivalent Ge atoms to form distorted AlGe4 tetrahedra that share corners with six equivalent HoGe6 octahedra, corners with six equivalent AlGe4 tetrahedra, edges with three equivalent HoGe6 octahedra, and edges with three equivalent AlGe4 tetrahedra. The corner-sharing octahedra tilt angles range from 20–56°. There are one shorter (2.55 Å) and three longer (2.56 Å) Al–Ge bond lengths. Ge is bonded to three equivalent Ho and four equivalent Al atoms to form a mixture of distorted edge and corner-sharing GeHo3Al4 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:
- 1699125
- Report Number(s):
- mp-1207012
- Country of Publication:
- United States
- Language:
- English
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