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Title: Materials Data on Ba10Mg3ZrTa6O30 by Materials Project

Abstract

Ba10Mg3ZrTa6O30 crystallizes in the trigonal R-3m space group. The structure is three-dimensional. there are ten inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded to twelve O2- atoms to form BaO12 cuboctahedra that share corners with nine BaO12 cuboctahedra, faces with six BaO12 cuboctahedra, a faceface with one ZrO6 octahedra, and faces with seven TaO6 octahedra. There are a spread of Ba–O bond distances ranging from 2.78–2.99 Å. In the second Ba2+ site, Ba2+ is bonded to twelve O2- atoms to form BaO12 cuboctahedra that share corners with twelve BaO12 cuboctahedra, faces with six BaO12 cuboctahedra, faces with four equivalent ZrO6 octahedra, and faces with four TaO6 octahedra. There are six shorter (2.94 Å) and six longer (2.97 Å) Ba–O bond lengths. In the third Ba2+ site, Ba2+ is bonded to twelve O2- atoms to form BaO12 cuboctahedra that share corners with twelve BaO12 cuboctahedra, faces with six BaO12 cuboctahedra, faces with three equivalent ZrO6 octahedra, and faces with five TaO6 octahedra. There are a spread of Ba–O bond distances ranging from 2.88–3.00 Å. In the fourth Ba2+ site, Ba2+ is bonded to twelve O2- atoms to form distorted BaO12 cuboctahedra that share corners with nine BaO12 cuboctahedra,more » faces with three equivalent BaO12 cuboctahedra, a faceface with one MgO6 octahedra, and faces with seven TaO6 octahedra. There are a spread of Ba–O bond distances ranging from 2.66–3.16 Å. In the fifth Ba2+ site, Ba2+ is bonded in a 12-coordinate geometry to twelve O2- atoms. There are a spread of Ba–O bond distances ranging from 2.70–3.34 Å. In the sixth Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are three shorter (2.58 Å) and six longer (3.00 Å) Ba–O bond lengths. In the seventh Ba2+ site, Ba2+ is bonded to twelve O2- atoms to form BaO12 cuboctahedra that share corners with nine BaO12 cuboctahedra, faces with six BaO12 cuboctahedra, faces with four MgO6 octahedra, and faces with four TaO6 octahedra. There are a spread of Ba–O bond distances ranging from 2.88–3.07 Å. In the eighth Ba2+ site, Ba2+ is bonded to twelve O2- atoms to form BaO12 cuboctahedra that share corners with twelve BaO12 cuboctahedra, faces with six BaO12 cuboctahedra, faces with four equivalent MgO6 octahedra, and faces with four TaO6 octahedra. There are a spread of Ba–O bond distances ranging from 2.94–2.98 Å. In the ninth Ba2+ site, Ba2+ is bonded to twelve O2- atoms to form BaO12 cuboctahedra that share corners with nine BaO12 cuboctahedra, faces with three equivalent BaO12 cuboctahedra, faces with four MgO6 octahedra, and faces with four TaO6 octahedra. There are a spread of Ba–O bond distances ranging from 2.83–3.14 Å. In the tenth Ba2+ site, Ba2+ is bonded to twelve O2- atoms to form BaO12 cuboctahedra that share corners with twelve BaO12 cuboctahedra, faces with six BaO12 cuboctahedra, faces with four MgO6 octahedra, and faces with four TaO6 octahedra. There are a spread of Ba–O bond distances ranging from 2.94–2.99 Å. There are three inequivalent Mg2+ sites. In the first Mg2+ site, Mg2+ is bonded to six O2- atoms to form distorted MgO6 octahedra that share corners with six TaO6 octahedra and faces with two BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 13–17°. There are three shorter (1.99 Å) and three longer (2.44 Å) Mg–O bond lengths. In the second Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with six TaO6 octahedra and faces with seven BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 3–6°. There are three shorter (2.11 Å) and three longer (2.21 Å) Mg–O bond lengths. In the third Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with six TaO6 octahedra and faces with eight BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are three shorter (2.15 Å) and three longer (2.16 Å) Mg–O bond lengths. Zr4+ is bonded to six O2- atoms to form ZrO6 octahedra that share corners with six TaO6 octahedra and faces with eight BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–1°. There are three shorter (2.14 Å) and three longer (2.15 Å) Zr–O bond lengths. There are seven inequivalent Ta5+ sites. In the first Ta5+ site, Ta5+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with six TaO6 octahedra and faces with seven BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 4–11°. There are three shorter (1.95 Å) and three longer (2.14 Å) Ta–O bond lengths. In the second Ta5+ site, Ta5+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with three equivalent ZrO6 octahedra, corners with three equivalent TaO6 octahedra, and faces with eight BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 1–4°. There are three shorter (2.03 Å) and three longer (2.05 Å) Ta–O bond lengths. In the third Ta5+ site, Ta5+ is bonded to six equivalent O2- atoms to form TaO6 octahedra that share corners with six equivalent ZrO6 octahedra and faces with eight BaO12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. All Ta–O bond lengths are 2.04 Å. In the fourth Ta5+ site, Ta5+ is bonded to six O2- atoms to form distorted TaO6 octahedra that share corners with three equivalent MgO6 octahedra, corners with three equivalent TaO6 octahedra, and faces with four BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 11–17°. There are three shorter (1.87 Å) and three longer (2.28 Å) Ta–O bond lengths. In the fifth Ta5+ site, Ta5+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with six MgO6 octahedra and faces with four BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 6–13°. There are three shorter (1.95 Å) and three longer (2.11 Å) Ta–O bond lengths. In the sixth Ta5+ site, Ta5+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with six MgO6 octahedra and faces with eight BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 2–3°. There are three shorter (2.00 Å) and three longer (2.04 Å) Ta–O bond lengths. In the seventh Ta5+ site, Ta5+ is bonded to six equivalent O2- atoms to form TaO6 octahedra that share corners with six equivalent MgO6 octahedra and faces with eight BaO12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. All Ta–O bond lengths are 2.02 Å. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to four Ba2+, one Mg2+, and one Ta5+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to three Ba2+ and two Ta5+ atoms. In the third O2- site, O2- is bonded in a 2-coordinate geometry to four Ba2+, one Mg2+, and one Ta5+ atom. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to four Ba2+, one Mg2+, and one Ta5+ atom. In the fifth O2- site, O2- is bonded in a distorted linear geometry to four Ba2+, one Mg2+, and one Ta5+ atom. In the sixth O2- site, O2- is bonded in a distorted linear geometry to four Ba2+, one Mg2+, and one Ta5+ atom. In the seventh O2- site, O2- is bonded in a distorted linear geometry to four Ba2+, one Mg2+, and one Ta5+ atom. In the eighth O2- site, O2- is bonded in a distorted linear geometry to four Ba2+, one Zr4+, and one Ta5+ atom. In the ninth O2- site, O2- is bonded in a distorted linear geometry to four Ba2+ and two Ta5+ atoms. In the tenth O2- site, O2- is bonded in a distorted linear geometry to four Ba2+, one Zr4+, and one Ta5+ atom.« less

Authors:
Publication Date:
Other Number(s):
mp-686330
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; Ba10Mg3ZrTa6O30; Ba-Mg-O-Ta-Zr
OSTI Identifier:
1284321
DOI:
https://doi.org/10.17188/1284321

Citation Formats

The Materials Project. Materials Data on Ba10Mg3ZrTa6O30 by Materials Project. United States: N. p., 2017. Web. doi:10.17188/1284321.
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The Materials Project. Materials Data on Ba10Mg3ZrTa6O30 by Materials Project. United States. doi:https://doi.org/10.17188/1284321
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The Materials Project. 2017. "Materials Data on Ba10Mg3ZrTa6O30 by Materials Project". United States. doi:https://doi.org/10.17188/1284321. https://www.osti.gov/servlets/purl/1284321. Pub date:Thu May 25 00:00:00 EDT 2017
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@article{osti_1284321,
title = {Materials Data on Ba10Mg3ZrTa6O30 by Materials Project},
author = {The Materials Project},
abstractNote = {Ba10Mg3ZrTa6O30 crystallizes in the trigonal R-3m space group. The structure is three-dimensional. there are ten inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded to twelve O2- atoms to form BaO12 cuboctahedra that share corners with nine BaO12 cuboctahedra, faces with six BaO12 cuboctahedra, a faceface with one ZrO6 octahedra, and faces with seven TaO6 octahedra. There are a spread of Ba–O bond distances ranging from 2.78–2.99 Å. In the second Ba2+ site, Ba2+ is bonded to twelve O2- atoms to form BaO12 cuboctahedra that share corners with twelve BaO12 cuboctahedra, faces with six BaO12 cuboctahedra, faces with four equivalent ZrO6 octahedra, and faces with four TaO6 octahedra. There are six shorter (2.94 Å) and six longer (2.97 Å) Ba–O bond lengths. In the third Ba2+ site, Ba2+ is bonded to twelve O2- atoms to form BaO12 cuboctahedra that share corners with twelve BaO12 cuboctahedra, faces with six BaO12 cuboctahedra, faces with three equivalent ZrO6 octahedra, and faces with five TaO6 octahedra. There are a spread of Ba–O bond distances ranging from 2.88–3.00 Å. In the fourth Ba2+ site, Ba2+ is bonded to twelve O2- atoms to form distorted BaO12 cuboctahedra that share corners with nine BaO12 cuboctahedra, faces with three equivalent BaO12 cuboctahedra, a faceface with one MgO6 octahedra, and faces with seven TaO6 octahedra. There are a spread of Ba–O bond distances ranging from 2.66–3.16 Å. In the fifth Ba2+ site, Ba2+ is bonded in a 12-coordinate geometry to twelve O2- atoms. There are a spread of Ba–O bond distances ranging from 2.70–3.34 Å. In the sixth Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are three shorter (2.58 Å) and six longer (3.00 Å) Ba–O bond lengths. In the seventh Ba2+ site, Ba2+ is bonded to twelve O2- atoms to form BaO12 cuboctahedra that share corners with nine BaO12 cuboctahedra, faces with six BaO12 cuboctahedra, faces with four MgO6 octahedra, and faces with four TaO6 octahedra. There are a spread of Ba–O bond distances ranging from 2.88–3.07 Å. In the eighth Ba2+ site, Ba2+ is bonded to twelve O2- atoms to form BaO12 cuboctahedra that share corners with twelve BaO12 cuboctahedra, faces with six BaO12 cuboctahedra, faces with four equivalent MgO6 octahedra, and faces with four TaO6 octahedra. There are a spread of Ba–O bond distances ranging from 2.94–2.98 Å. In the ninth Ba2+ site, Ba2+ is bonded to twelve O2- atoms to form BaO12 cuboctahedra that share corners with nine BaO12 cuboctahedra, faces with three equivalent BaO12 cuboctahedra, faces with four MgO6 octahedra, and faces with four TaO6 octahedra. There are a spread of Ba–O bond distances ranging from 2.83–3.14 Å. In the tenth Ba2+ site, Ba2+ is bonded to twelve O2- atoms to form BaO12 cuboctahedra that share corners with twelve BaO12 cuboctahedra, faces with six BaO12 cuboctahedra, faces with four MgO6 octahedra, and faces with four TaO6 octahedra. There are a spread of Ba–O bond distances ranging from 2.94–2.99 Å. There are three inequivalent Mg2+ sites. In the first Mg2+ site, Mg2+ is bonded to six O2- atoms to form distorted MgO6 octahedra that share corners with six TaO6 octahedra and faces with two BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 13–17°. There are three shorter (1.99 Å) and three longer (2.44 Å) Mg–O bond lengths. In the second Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with six TaO6 octahedra and faces with seven BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 3–6°. There are three shorter (2.11 Å) and three longer (2.21 Å) Mg–O bond lengths. In the third Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with six TaO6 octahedra and faces with eight BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are three shorter (2.15 Å) and three longer (2.16 Å) Mg–O bond lengths. Zr4+ is bonded to six O2- atoms to form ZrO6 octahedra that share corners with six TaO6 octahedra and faces with eight BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–1°. There are three shorter (2.14 Å) and three longer (2.15 Å) Zr–O bond lengths. There are seven inequivalent Ta5+ sites. In the first Ta5+ site, Ta5+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with six TaO6 octahedra and faces with seven BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 4–11°. There are three shorter (1.95 Å) and three longer (2.14 Å) Ta–O bond lengths. In the second Ta5+ site, Ta5+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with three equivalent ZrO6 octahedra, corners with three equivalent TaO6 octahedra, and faces with eight BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 1–4°. There are three shorter (2.03 Å) and three longer (2.05 Å) Ta–O bond lengths. In the third Ta5+ site, Ta5+ is bonded to six equivalent O2- atoms to form TaO6 octahedra that share corners with six equivalent ZrO6 octahedra and faces with eight BaO12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. All Ta–O bond lengths are 2.04 Å. In the fourth Ta5+ site, Ta5+ is bonded to six O2- atoms to form distorted TaO6 octahedra that share corners with three equivalent MgO6 octahedra, corners with three equivalent TaO6 octahedra, and faces with four BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 11–17°. There are three shorter (1.87 Å) and three longer (2.28 Å) Ta–O bond lengths. In the fifth Ta5+ site, Ta5+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with six MgO6 octahedra and faces with four BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 6–13°. There are three shorter (1.95 Å) and three longer (2.11 Å) Ta–O bond lengths. In the sixth Ta5+ site, Ta5+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with six MgO6 octahedra and faces with eight BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 2–3°. There are three shorter (2.00 Å) and three longer (2.04 Å) Ta–O bond lengths. In the seventh Ta5+ site, Ta5+ is bonded to six equivalent O2- atoms to form TaO6 octahedra that share corners with six equivalent MgO6 octahedra and faces with eight BaO12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. All Ta–O bond lengths are 2.02 Å. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to four Ba2+, one Mg2+, and one Ta5+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to three Ba2+ and two Ta5+ atoms. In the third O2- site, O2- is bonded in a 2-coordinate geometry to four Ba2+, one Mg2+, and one Ta5+ atom. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to four Ba2+, one Mg2+, and one Ta5+ atom. In the fifth O2- site, O2- is bonded in a distorted linear geometry to four Ba2+, one Mg2+, and one Ta5+ atom. In the sixth O2- site, O2- is bonded in a distorted linear geometry to four Ba2+, one Mg2+, and one Ta5+ atom. In the seventh O2- site, O2- is bonded in a distorted linear geometry to four Ba2+, one Mg2+, and one Ta5+ atom. In the eighth O2- site, O2- is bonded in a distorted linear geometry to four Ba2+, one Zr4+, and one Ta5+ atom. In the ninth O2- site, O2- is bonded in a distorted linear geometry to four Ba2+ and two Ta5+ atoms. In the tenth O2- site, O2- is bonded in a distorted linear geometry to four Ba2+, one Zr4+, and one Ta5+ atom.},
doi = {10.17188/1284321},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2017},
month = {5}
}
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DOI: https://doi.org/10.17188/1284321
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