Materials Data on SrCaNiWO6 by Materials Project
SrCaWNiO6 is Orthorhombic Perovskite-derived structured and crystallizes in the monoclinic Pc space group. The structure is three-dimensional. Sr2+ is bonded in a 12-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.50–2.78 Å. Ca2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ca–O bond distances ranging from 2.37–2.77 Å. W6+ is bonded to six O2- atoms to form WO6 octahedra that share corners with six equivalent NiO6 octahedra. The corner-sharing octahedra tilt angles range from 20–28°. There is three shorter (1.95 Å) and three longer (1.96 Å) W–O bond length. Ni2+ is bonded to six O2- atoms to form NiO6 octahedra that share corners with six equivalent WO6 octahedra. The corner-sharing octahedra tilt angles range from 20–28°. There are a spread of Ni–O bond distances ranging from 2.08–2.12 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a 5-coordinate geometry to one Sr2+, two equivalent Ca2+, one W6+, and one Ni2+ atom. In the second O2- site, O2- is bonded in a 5-coordinate geometry to two equivalent Sr2+, one Ca2+, one W6+, and one Ni2+ atom. In the third O2- site, O2- is bonded in a 5-coordinate geometry to two equivalent Sr2+, one Ca2+, one W6+, and one Ni2+ atom. In the fourth O2- site, O2- is bonded in a 5-coordinate geometry to one Sr2+, two equivalent Ca2+, one W6+, and one Ni2+ atom. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to one Sr2+, one Ca2+, one W6+, and one Ni2+ atom. In the sixth O2- site, O2- is bonded in a 4-coordinate geometry to one Sr2+, one Ca2+, one W6+, and one Ni2+ 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:
- 1708033
- Report Number(s):
- mp-1218491
- Country of Publication:
- United States
- Language:
- English
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