Materials Data on BaSr2(SnO3)3 by Materials Project
BaSr2(SnO3)3 is Orthorhombic Perovskite-derived structured and crystallizes in the monoclinic C2 space group. The structure is three-dimensional. Ba2+ is bonded to twelve O2- atoms to form distorted BaO12 cuboctahedra that share corners with nine equivalent BaO12 cuboctahedra and faces with eight SnO6 octahedra. There are a spread of Ba–O bond distances ranging from 2.67–3.21 Å. There are three inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to seven O2- atoms. There are a spread of Sr–O bond distances ranging from 2.53–2.92 Å. In the second Sr2+ site, Sr2+ is bonded in a 12-coordinate geometry to five O2- atoms. There are one shorter (2.59 Å) and four longer (2.66 Å) Sr–O bond lengths. In the third Sr2+ site, Sr2+ is bonded in a 12-coordinate geometry to six O2- atoms. There are a spread of Sr–O bond distances ranging from 2.55–2.94 Å. There are three inequivalent Sn4+ sites. In the first Sn4+ site, Sn4+ is bonded to six O2- atoms to form SnO6 octahedra that share corners with six SnO6 octahedra and faces with four equivalent BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 15–22°. There are three shorter (2.09 Å) and three longer (2.10 Å) Sn–O bond lengths. In the second Sn4+ site, Sn4+ is bonded to six O2- atoms to form SnO6 octahedra that share corners with six SnO6 octahedra and faces with three equivalent BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 15–24°. There are a spread of Sn–O bond distances ranging from 2.08–2.10 Å. In the third Sn4+ site, Sn4+ is bonded to six O2- atoms to form SnO6 octahedra that share corners with six SnO6 octahedra and a faceface with one BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 17–25°. There are four shorter (2.09 Å) and two longer (2.10 Å) Sn–O bond lengths. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to two Sr2+ and two equivalent Sn4+ atoms. In the second O2- site, O2- is bonded in a 5-coordinate geometry to two equivalent Ba2+, one Sr2+, and two equivalent Sn4+ atoms. In the third O2- site, O2- is bonded in a 5-coordinate geometry to one Ba2+, two Sr2+, and two Sn4+ atoms. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Ba2+ and two Sn4+ atoms. In the fifth O2- site, O2- is bonded in a 5-coordinate geometry to three Sr2+ and two equivalent Sn4+ atoms. In the sixth O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, one Sr2+, and two equivalent Sn4+ atoms. In the seventh O2- site, O2- is bonded in a 4-coordinate geometry to one Ba2+, one Sr2+, and two Sn4+ atoms. In the eighth O2- site, O2- is bonded in a 4-coordinate geometry to one Ba2+, two Sr2+, and two Sn4+ atoms. In the ninth O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Ba2+, one Sr2+, and two Sn4+ atoms. In the tenth O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Ba2+, one Sr2+, and two Sn4+ atoms.
- 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:
- 1678258
- Report Number(s):
- mp-1227830
- Country of Publication:
- United States
- Language:
- English
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