Materials Data on AlWO3 by Materials Project
WAlO3 crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. W3+ is bonded to five O2- atoms to form WO5 trigonal bipyramids that share corners with six equivalent AlO6 octahedra and corners with six equivalent WO5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 66°. There are three shorter (1.94 Å) and two longer (2.18 Å) W–O bond lengths. Al3+ is bonded to six equivalent O2- atoms to form distorted AlO6 octahedra that share corners with six equivalent WO5 trigonal bipyramids and edges with six equivalent AlO6 octahedra. All Al–O bond lengths are 2.13 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a trigonal planar geometry to three equivalent W3+ atoms. In the second O2- site, O2- is bonded to one W3+ and three equivalent Al3+ atoms to form a mixture of edge and corner-sharing OAl3W tetrahedra.
- 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:
- 1319610
- Report Number(s):
- mvc-16001
- Country of Publication:
- United States
- Language:
- English
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