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Title: Materials Data on BaSiO3 by Materials Project

Abstract

BaSiO3 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are two inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded to eight O2- atoms to form BaO8 hexagonal bipyramids that share corners with two equivalent BaO8 hexagonal bipyramids, corners with two equivalent SiO4 tetrahedra, edges with six equivalent BaO8 hexagonal bipyramids, and edges with four SiO4 tetrahedra. There are a spread of Ba–O bond distances ranging from 2.73–2.88 Å. In the second Ba2+ site, Ba2+ is bonded to eight O2- atoms to form distorted BaO8 hexagonal bipyramids that share corners with two BaO8 hexagonal bipyramids, corners with two SiO4 tetrahedra, edges with six BaO8 hexagonal bipyramids, and edges with four SiO4 tetrahedra. There are a spread of Ba–O bond distances ranging from 2.69–2.92 Å. There are two inequivalent Si4+ sites. In the first Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with two BaO8 hexagonal bipyramids, corners with two SiO4 tetrahedra, and edges with four BaO8 hexagonal bipyramids. There are a spread of Si–O bond distances ranging from 1.61–1.70 Å. In the second Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedramore » that share corners with two equivalent BaO8 hexagonal bipyramids, corners with two equivalent SiO4 tetrahedra, and edges with four BaO8 hexagonal bipyramids. There is two shorter (1.61 Å) and two longer (1.69 Å) Si–O bond length. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to three Ba2+ and one Si4+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to three Ba2+ and one Si4+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to two Ba2+ and two Si4+ atoms. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to three Ba2+ and one Si4+ atom. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Ba2+ and two equivalent Si4+ atoms.« less

Authors:
Contributors:
Researcher:
Publication Date:
Other Number(s):
mp-776084
DOE Contract Number:  
AC02-05CH11231; EDCBEE
Product Type:
Dataset
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). LBNL Materials Project
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Subject:
36 MATERIALS SCIENCE
Keywords:
crystal structure; BaSiO3; Ba-O-Si
OSTI Identifier:
1304123
DOI:
10.17188/1304123

Citation Formats

Persson, Kristin, and Project, Materials. Materials Data on BaSiO3 by Materials Project. United States: N. p., 2020. Web. doi:10.17188/1304123.
Persson, Kristin, & Project, Materials. Materials Data on BaSiO3 by Materials Project. United States. doi:10.17188/1304123.
Persson, Kristin, and Project, Materials. 2020. "Materials Data on BaSiO3 by Materials Project". United States. doi:10.17188/1304123. https://www.osti.gov/servlets/purl/1304123. Pub date:Thu Apr 30 00:00:00 EDT 2020
@article{osti_1304123,
title = {Materials Data on BaSiO3 by Materials Project},
author = {Persson, Kristin and Project, Materials},
abstractNote = {BaSiO3 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are two inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded to eight O2- atoms to form BaO8 hexagonal bipyramids that share corners with two equivalent BaO8 hexagonal bipyramids, corners with two equivalent SiO4 tetrahedra, edges with six equivalent BaO8 hexagonal bipyramids, and edges with four SiO4 tetrahedra. There are a spread of Ba–O bond distances ranging from 2.73–2.88 Å. In the second Ba2+ site, Ba2+ is bonded to eight O2- atoms to form distorted BaO8 hexagonal bipyramids that share corners with two BaO8 hexagonal bipyramids, corners with two SiO4 tetrahedra, edges with six BaO8 hexagonal bipyramids, and edges with four SiO4 tetrahedra. There are a spread of Ba–O bond distances ranging from 2.69–2.92 Å. There are two inequivalent Si4+ sites. In the first Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with two BaO8 hexagonal bipyramids, corners with two SiO4 tetrahedra, and edges with four BaO8 hexagonal bipyramids. There are a spread of Si–O bond distances ranging from 1.61–1.70 Å. In the second Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with two equivalent BaO8 hexagonal bipyramids, corners with two equivalent SiO4 tetrahedra, and edges with four BaO8 hexagonal bipyramids. There is two shorter (1.61 Å) and two longer (1.69 Å) Si–O bond length. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to three Ba2+ and one Si4+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to three Ba2+ and one Si4+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to two Ba2+ and two Si4+ atoms. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to three Ba2+ and one Si4+ atom. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Ba2+ and two equivalent Si4+ atoms.},
doi = {10.17188/1304123},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {4}
}

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