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Title: Materials Data on LiMg6Sc(SiO3)8 by Materials Project

Abstract

LiMg6Sc(SiO3)8 crystallizes in the monoclinic Pc space group. The structure is three-dimensional. Li1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Li–O bond distances ranging from 1.83–2.34 Å. There are six inequivalent Mg2+ sites. In the first Mg2+ site, Mg2+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Mg–O bond distances ranging from 1.95–2.27 Å. In the second Mg2+ site, Mg2+ is bonded to five O2- atoms to form MgO5 trigonal bipyramids that share corners with three SiO4 tetrahedra and an edgeedge with one SiO5 trigonal bipyramid. There are a spread of Mg–O bond distances ranging from 1.99–2.06 Å. In the third Mg2+ site, Mg2+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Mg–O bond distances ranging from 1.87–2.18 Å. In the fourth Mg2+ site, Mg2+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Mg–O bond distances ranging from 1.89–2.29 Å. In the fifth Mg2+ site, Mg2+ is bonded to six O2- atoms to form distorted MgO6 octahedra that share corners with five SiO4 tetrahedra and a cornercorner with one SiO5 trigonalmore » bipyramid. There are a spread of Mg–O bond distances ranging from 1.96–2.26 Å. In the sixth Mg2+ site, Mg2+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Mg–O bond distances ranging from 2.10–2.57 Å. Sc3+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Sc–O bond distances ranging from 1.99–2.31 Å. There are eight inequivalent Si4+ sites. In the first Si4+ site, Si4+ is bonded to five O2- atoms to form SiO5 trigonal bipyramids that share a cornercorner with one MgO6 octahedra, corners with two SiO4 tetrahedra, a cornercorner with one SiO5 trigonal bipyramid, and an edgeedge with one MgO5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 60°. There are a spread of Si–O bond distances ranging from 1.66–1.87 Å. In the second Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share a cornercorner with one MgO6 octahedra, corners with two SiO4 tetrahedra, a cornercorner with one MgO5 trigonal bipyramid, and a cornercorner with one SiO5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 66°. There are a spread of Si–O bond distances ranging from 1.61–1.70 Å. In the third Si4+ site, Si4+ is bonded to four O2- atoms to form corner-sharing SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.60–1.67 Å. In the fourth Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with two equivalent MgO6 octahedra, a cornercorner with one MgO5 trigonal bipyramid, and a cornercorner with one SiO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 48–66°. There are a spread of Si–O bond distances ranging from 1.61–1.68 Å. In the fifth Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share a cornercorner with one MgO6 octahedra, a cornercorner with one SiO4 tetrahedra, and a cornercorner with one MgO5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 58°. There are a spread of Si–O bond distances ranging from 1.61–1.71 Å. In the sixth Si4+ site, Si4+ is bonded to five O2- atoms to form SiO5 trigonal bipyramids that share corners with three SiO4 tetrahedra and a cornercorner with one SiO5 trigonal bipyramid. There are a spread of Si–O bond distances ranging from 1.65–1.85 Å. In the seventh Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share a cornercorner with one MgO6 octahedra, corners with two equivalent SiO4 tetrahedra, and a cornercorner with one SiO5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 19°. There are a spread of Si–O bond distances ranging from 1.63–1.71 Å. In the eighth Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with two SiO4 tetrahedra and corners with two equivalent SiO5 trigonal bipyramids. There are a spread of Si–O bond distances ranging from 1.59–1.68 Å. There are twenty-four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted T-shaped geometry to one Li1+ and two Si4+ atoms. In the second O2- site, O2- is bonded in a 4-coordinate geometry to three Mg2+ and one Si4+ atom. In the third O2- site, O2- is bonded in a trigonal planar geometry to two Mg2+ and one Si4+ atom. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to one Li1+, one Mg2+, and two Si4+ atoms. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+ and two Si4+ atoms. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to two Mg2+ and one Si4+ atom. In the seventh O2- site, O2- is bonded in a T-shaped geometry to two Mg2+ and one Si4+ atom. In the eighth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Mg2+ and one Si4+ atom. In the ninth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Li1+, one Sc3+, and one Si4+ atom. In the tenth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Mg2+ and two Si4+ atoms. In the eleventh O2- site, O2- is bonded in a distorted trigonal planar geometry to one Mg2+, one Sc3+, and one Si4+ atom. In the twelfth O2- site, O2- is bonded to three Mg2+ and one Sc3+ atom to form distorted corner-sharing OMg3Sc tetrahedra. In the thirteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Mg2+ and one Si4+ atom. In the fourteenth O2- site, O2- is bonded in a water-like geometry to one Mg2+ and one Si4+ atom. In the fifteenth O2- site, O2- is bonded in a 2-coordinate geometry to one Mg2+ and two Si4+ atoms. In the sixteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+ and two Si4+ atoms. In the seventeenth O2- site, O2- is bonded in a distorted linear geometry to two Si4+ atoms. In the eighteenth O2- site, O2- is bonded to three Mg2+ and one Si4+ atom to form distorted corner-sharing OMg3Si tetrahedra. In the nineteenth O2- site, O2- is bonded in a distorted T-shaped geometry to two Mg2+ and one Si4+ atom. In the twentieth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Sc3+ and two Si4+ atoms. In the twenty-first O2- site, O2- is bonded in a distorted water-like geometry to two Si4+ atoms. In the twenty-second O2- site, O2- is bonded in a 3-coordinate geometry to two Mg2+ and one Si4+ atom. In the twenty-third O2- site, O2- is bonded in a 3-coordinate geometry to one Mg2+ and two Si4+ atoms. In the twenty-fourth O2- site, O2- is bonded in a 3-coordinate geometry to one Sc3+ and two Si4+ atoms.« less

Authors:
Publication Date:
Other Number(s):
mp-695000
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; LiMg6Sc(SiO3)8; Li-Mg-O-Sc-Si
OSTI Identifier:
1284769
DOI:
https://doi.org/10.17188/1284769

Citation Formats

The Materials Project. Materials Data on LiMg6Sc(SiO3)8 by Materials Project. United States: N. p., 2020. Web. doi:10.17188/1284769.
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The Materials Project. Materials Data on LiMg6Sc(SiO3)8 by Materials Project. United States. doi:https://doi.org/10.17188/1284769
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The Materials Project. 2020. "Materials Data on LiMg6Sc(SiO3)8 by Materials Project". United States. doi:https://doi.org/10.17188/1284769. https://www.osti.gov/servlets/purl/1284769. Pub date:Thu Apr 30 00:00:00 EDT 2020
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@article{osti_1284769,
title = {Materials Data on LiMg6Sc(SiO3)8 by Materials Project},
author = {The Materials Project},
abstractNote = {LiMg6Sc(SiO3)8 crystallizes in the monoclinic Pc space group. The structure is three-dimensional. Li1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Li–O bond distances ranging from 1.83–2.34 Å. There are six inequivalent Mg2+ sites. In the first Mg2+ site, Mg2+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Mg–O bond distances ranging from 1.95–2.27 Å. In the second Mg2+ site, Mg2+ is bonded to five O2- atoms to form MgO5 trigonal bipyramids that share corners with three SiO4 tetrahedra and an edgeedge with one SiO5 trigonal bipyramid. There are a spread of Mg–O bond distances ranging from 1.99–2.06 Å. In the third Mg2+ site, Mg2+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Mg–O bond distances ranging from 1.87–2.18 Å. In the fourth Mg2+ site, Mg2+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Mg–O bond distances ranging from 1.89–2.29 Å. In the fifth Mg2+ site, Mg2+ is bonded to six O2- atoms to form distorted MgO6 octahedra that share corners with five SiO4 tetrahedra and a cornercorner with one SiO5 trigonal bipyramid. There are a spread of Mg–O bond distances ranging from 1.96–2.26 Å. In the sixth Mg2+ site, Mg2+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Mg–O bond distances ranging from 2.10–2.57 Å. Sc3+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Sc–O bond distances ranging from 1.99–2.31 Å. There are eight inequivalent Si4+ sites. In the first Si4+ site, Si4+ is bonded to five O2- atoms to form SiO5 trigonal bipyramids that share a cornercorner with one MgO6 octahedra, corners with two SiO4 tetrahedra, a cornercorner with one SiO5 trigonal bipyramid, and an edgeedge with one MgO5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 60°. There are a spread of Si–O bond distances ranging from 1.66–1.87 Å. In the second Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share a cornercorner with one MgO6 octahedra, corners with two SiO4 tetrahedra, a cornercorner with one MgO5 trigonal bipyramid, and a cornercorner with one SiO5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 66°. There are a spread of Si–O bond distances ranging from 1.61–1.70 Å. In the third Si4+ site, Si4+ is bonded to four O2- atoms to form corner-sharing SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.60–1.67 Å. In the fourth Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with two equivalent MgO6 octahedra, a cornercorner with one MgO5 trigonal bipyramid, and a cornercorner with one SiO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 48–66°. There are a spread of Si–O bond distances ranging from 1.61–1.68 Å. In the fifth Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share a cornercorner with one MgO6 octahedra, a cornercorner with one SiO4 tetrahedra, and a cornercorner with one MgO5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 58°. There are a spread of Si–O bond distances ranging from 1.61–1.71 Å. In the sixth Si4+ site, Si4+ is bonded to five O2- atoms to form SiO5 trigonal bipyramids that share corners with three SiO4 tetrahedra and a cornercorner with one SiO5 trigonal bipyramid. There are a spread of Si–O bond distances ranging from 1.65–1.85 Å. In the seventh Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share a cornercorner with one MgO6 octahedra, corners with two equivalent SiO4 tetrahedra, and a cornercorner with one SiO5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 19°. There are a spread of Si–O bond distances ranging from 1.63–1.71 Å. In the eighth Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with two SiO4 tetrahedra and corners with two equivalent SiO5 trigonal bipyramids. There are a spread of Si–O bond distances ranging from 1.59–1.68 Å. There are twenty-four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted T-shaped geometry to one Li1+ and two Si4+ atoms. In the second O2- site, O2- is bonded in a 4-coordinate geometry to three Mg2+ and one Si4+ atom. In the third O2- site, O2- is bonded in a trigonal planar geometry to two Mg2+ and one Si4+ atom. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to one Li1+, one Mg2+, and two Si4+ atoms. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+ and two Si4+ atoms. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to two Mg2+ and one Si4+ atom. In the seventh O2- site, O2- is bonded in a T-shaped geometry to two Mg2+ and one Si4+ atom. In the eighth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Mg2+ and one Si4+ atom. In the ninth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Li1+, one Sc3+, and one Si4+ atom. In the tenth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Mg2+ and two Si4+ atoms. In the eleventh O2- site, O2- is bonded in a distorted trigonal planar geometry to one Mg2+, one Sc3+, and one Si4+ atom. In the twelfth O2- site, O2- is bonded to three Mg2+ and one Sc3+ atom to form distorted corner-sharing OMg3Sc tetrahedra. In the thirteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Mg2+ and one Si4+ atom. In the fourteenth O2- site, O2- is bonded in a water-like geometry to one Mg2+ and one Si4+ atom. In the fifteenth O2- site, O2- is bonded in a 2-coordinate geometry to one Mg2+ and two Si4+ atoms. In the sixteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+ and two Si4+ atoms. In the seventeenth O2- site, O2- is bonded in a distorted linear geometry to two Si4+ atoms. In the eighteenth O2- site, O2- is bonded to three Mg2+ and one Si4+ atom to form distorted corner-sharing OMg3Si tetrahedra. In the nineteenth O2- site, O2- is bonded in a distorted T-shaped geometry to two Mg2+ and one Si4+ atom. In the twentieth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Sc3+ and two Si4+ atoms. In the twenty-first O2- site, O2- is bonded in a distorted water-like geometry to two Si4+ atoms. In the twenty-second O2- site, O2- is bonded in a 3-coordinate geometry to two Mg2+ and one Si4+ atom. In the twenty-third O2- site, O2- is bonded in a 3-coordinate geometry to one Mg2+ and two Si4+ atoms. In the twenty-fourth O2- site, O2- is bonded in a 3-coordinate geometry to one Sc3+ and two Si4+ atoms.},
doi = {10.17188/1284769},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Thu Apr 30 00:00:00 EDT 2020},
month = {Thu Apr 30 00:00:00 EDT 2020}
}
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DOI: https://doi.org/10.17188/1284769
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