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Title: Materials Data on Ba2ScAlO5 by Materials Project

Abstract

Ba2ScAlO5 crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are six inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ba–O bond distances ranging from 2.60–3.10 Å. In the second Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.65–3.30 Å. In the third Ba2+ site, Ba2+ is bonded in a distorted q6 geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.87–3.05 Å. In the fourth Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.71–3.03 Å. In the fifth Ba2+ site, Ba2+ is bonded in a distorted q6 geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.68–3.03 Å. In the sixth Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.91–3.04 Å. There are three inequivalent Sc3+ sites. In the first Sc3+ site, Sc3+more » is bonded to six O2- atoms to form ScO6 octahedra that share corners with three equivalent ScO4 tetrahedra and corners with three equivalent AlO5 trigonal bipyramids. There are a spread of Sc–O bond distances ranging from 2.06–2.24 Å. In the second Sc3+ site, Sc3+ is bonded to six O2- atoms to form distorted ScO6 octahedra that share corners with three equivalent AlO4 tetrahedra and corners with three equivalent AlO5 trigonal bipyramids. There are a spread of Sc–O bond distances ranging from 1.99–2.72 Å. In the third Sc3+ site, Sc3+ is bonded to four O2- atoms to form ScO4 tetrahedra that share corners with three equivalent ScO6 octahedra and a cornercorner with one AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 10–30°. There are a spread of Sc–O bond distances ranging from 1.91–2.02 Å. There are three inequivalent Al3+ sites. In the first Al3+ site, Al3+ is bonded to five O2- atoms to form distorted AlO5 trigonal bipyramids that share corners with three equivalent ScO6 octahedra and an edgeedge with one AlO5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 6°. There are a spread of Al–O bond distances ranging from 1.80–1.93 Å. In the second Al3+ site, Al3+ is bonded to five O2- atoms to form distorted AlO5 trigonal bipyramids that share corners with three equivalent ScO6 octahedra and an edgeedge with one AlO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 1–8°. There are a spread of Al–O bond distances ranging from 1.80–1.93 Å. In the third Al3+ site, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share corners with three equivalent ScO6 octahedra and a cornercorner with one ScO4 tetrahedra. The corner-sharing octahedra tilt angles range from 12–44°. There is two shorter (1.77 Å) and two longer (1.78 Å) Al–O bond length. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted linear geometry to four Ba2+ and two Sc3+ atoms. In the second O2- site, O2- is bonded in a 2-coordinate geometry to three Ba2+ and two Sc3+ atoms. In the third O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+, one Sc3+, and one Al3+ atom. In the fourth O2- site, O2- is bonded in a distorted linear geometry to four Ba2+, one Sc3+, and one Al3+ atom. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to four Ba2+, one Sc3+, and one Al3+ atom. In the sixth O2- site, O2- is bonded in a distorted linear geometry to four Ba2+, one Sc3+, and one Al3+ atom. In the seventh O2- site, O2- is bonded in a 2-coordinate geometry to four Ba2+, one Sc3+, and one Al3+ atom. In the eighth O2- site, O2- is bonded in a 1-coordinate geometry to three Ba2+, one Sc3+, and one Al3+ atom. In the ninth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent Ba2+, one Sc3+, and one Al3+ atom. In the tenth O2- site, O2- is bonded in a 2-coordinate geometry to four Ba2+ and two Al3+ atoms.« less

Authors:
Publication Date:
Other Number(s):
mp-1228598
DOE Contract Number:  
AC02-05CH11231; EDCBEE
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)
Collaborations:
MIT; UC Berkeley; Duke; U Louvain
Subject:
36 MATERIALS SCIENCE
Keywords:
crystal structure; Ba2ScAlO5; Al-Ba-O-Sc
OSTI Identifier:
1654401
DOI:
https://doi.org/10.17188/1654401

Citation Formats

The Materials Project. Materials Data on Ba2ScAlO5 by Materials Project. United States: N. p., 2020. Web. doi:10.17188/1654401.
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The Materials Project. Materials Data on Ba2ScAlO5 by Materials Project. United States. doi:https://doi.org/10.17188/1654401
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The Materials Project. 2020. "Materials Data on Ba2ScAlO5 by Materials Project". United States. doi:https://doi.org/10.17188/1654401. https://www.osti.gov/servlets/purl/1654401. Pub date:Wed Apr 29 00:00:00 EDT 2020
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@article{osti_1654401,
title = {Materials Data on Ba2ScAlO5 by Materials Project},
author = {The Materials Project},
abstractNote = {Ba2ScAlO5 crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are six inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ba–O bond distances ranging from 2.60–3.10 Å. In the second Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.65–3.30 Å. In the third Ba2+ site, Ba2+ is bonded in a distorted q6 geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.87–3.05 Å. In the fourth Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.71–3.03 Å. In the fifth Ba2+ site, Ba2+ is bonded in a distorted q6 geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.68–3.03 Å. In the sixth Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.91–3.04 Å. There are three inequivalent Sc3+ sites. In the first Sc3+ site, Sc3+ is bonded to six O2- atoms to form ScO6 octahedra that share corners with three equivalent ScO4 tetrahedra and corners with three equivalent AlO5 trigonal bipyramids. There are a spread of Sc–O bond distances ranging from 2.06–2.24 Å. In the second Sc3+ site, Sc3+ is bonded to six O2- atoms to form distorted ScO6 octahedra that share corners with three equivalent AlO4 tetrahedra and corners with three equivalent AlO5 trigonal bipyramids. There are a spread of Sc–O bond distances ranging from 1.99–2.72 Å. In the third Sc3+ site, Sc3+ is bonded to four O2- atoms to form ScO4 tetrahedra that share corners with three equivalent ScO6 octahedra and a cornercorner with one AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 10–30°. There are a spread of Sc–O bond distances ranging from 1.91–2.02 Å. There are three inequivalent Al3+ sites. In the first Al3+ site, Al3+ is bonded to five O2- atoms to form distorted AlO5 trigonal bipyramids that share corners with three equivalent ScO6 octahedra and an edgeedge with one AlO5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 6°. There are a spread of Al–O bond distances ranging from 1.80–1.93 Å. In the second Al3+ site, Al3+ is bonded to five O2- atoms to form distorted AlO5 trigonal bipyramids that share corners with three equivalent ScO6 octahedra and an edgeedge with one AlO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 1–8°. There are a spread of Al–O bond distances ranging from 1.80–1.93 Å. In the third Al3+ site, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share corners with three equivalent ScO6 octahedra and a cornercorner with one ScO4 tetrahedra. The corner-sharing octahedra tilt angles range from 12–44°. There is two shorter (1.77 Å) and two longer (1.78 Å) Al–O bond length. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted linear geometry to four Ba2+ and two Sc3+ atoms. In the second O2- site, O2- is bonded in a 2-coordinate geometry to three Ba2+ and two Sc3+ atoms. In the third O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+, one Sc3+, and one Al3+ atom. In the fourth O2- site, O2- is bonded in a distorted linear geometry to four Ba2+, one Sc3+, and one Al3+ atom. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to four Ba2+, one Sc3+, and one Al3+ atom. In the sixth O2- site, O2- is bonded in a distorted linear geometry to four Ba2+, one Sc3+, and one Al3+ atom. In the seventh O2- site, O2- is bonded in a 2-coordinate geometry to four Ba2+, one Sc3+, and one Al3+ atom. In the eighth O2- site, O2- is bonded in a 1-coordinate geometry to three Ba2+, one Sc3+, and one Al3+ atom. In the ninth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent Ba2+, one Sc3+, and one Al3+ atom. In the tenth O2- site, O2- is bonded in a 2-coordinate geometry to four Ba2+ and two Al3+ atoms.},
doi = {10.17188/1654401},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {4}
}
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DOI: https://doi.org/10.17188/1654401
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