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Title: Materials Data on La6Mg(SiS7)2 by Materials Project

Abstract

La6MgSi2S14 crystallizes in the trigonal P3 space group. The structure is three-dimensional. Mg2+ is bonded in an octahedral geometry to six S2- atoms. There are three shorter (2.62 Å) and three longer (2.63 Å) Mg–S bond lengths. There are two inequivalent La3+ sites. In the first La3+ site, La3+ is bonded in a 8-coordinate geometry to eight S2- atoms. There are a spread of La–S bond distances ranging from 2.87–3.17 Å. In the second La3+ site, La3+ is bonded in a 8-coordinate geometry to eight S2- atoms. There are a spread of La–S bond distances ranging from 2.89–3.12 Å. There are two inequivalent Si4+ sites. In the first Si4+ site, Si4+ is bonded in a tetrahedral geometry to four S2- atoms. There are one shorter (2.10 Å) and three longer (2.15 Å) Si–S bond lengths. In the second Si4+ site, Si4+ is bonded in a tetrahedral geometry to four S2- atoms. There are one shorter (2.11 Å) and three longer (2.15 Å) Si–S bond lengths. There are six inequivalent S2- sites. In the first S2- site, S2- is bonded in a distorted tetrahedral geometry to three equivalent La3+ and one Si4+ atom. In the second S2- site, S2- is bondedmore » in a distorted tetrahedral geometry to three equivalent La3+ and one Si4+ atom. In the third S2- site, S2- is bonded in a 5-coordinate geometry to one Mg2+ and four La3+ atoms. In the fourth S2- site, S2- is bonded in a 5-coordinate geometry to one Mg2+ and four La3+ atoms. In the fifth S2- site, S2- is bonded in a 4-coordinate geometry to three La3+ and one Si4+ atom. In the sixth S2- site, S2- is bonded in a 4-coordinate geometry to three La3+ and one Si4+ atom.« less

Publication Date:
Other Number(s):
mp-1223141
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; La6Mg(SiS7)2; La-Mg-S-Si
OSTI Identifier:
1667161
DOI:
https://doi.org/10.17188/1667161

Citation Formats

The Materials Project. Materials Data on La6Mg(SiS7)2 by Materials Project. United States: N. p., 2020. Web. doi:10.17188/1667161.
The Materials Project. Materials Data on La6Mg(SiS7)2 by Materials Project. United States. doi:https://doi.org/10.17188/1667161
The Materials Project. 2020. "Materials Data on La6Mg(SiS7)2 by Materials Project". United States. doi:https://doi.org/10.17188/1667161. https://www.osti.gov/servlets/purl/1667161. Pub date:Sat May 02 00:00:00 EDT 2020
@article{osti_1667161,
title = {Materials Data on La6Mg(SiS7)2 by Materials Project},
author = {The Materials Project},
abstractNote = {La6MgSi2S14 crystallizes in the trigonal P3 space group. The structure is three-dimensional. Mg2+ is bonded in an octahedral geometry to six S2- atoms. There are three shorter (2.62 Å) and three longer (2.63 Å) Mg–S bond lengths. There are two inequivalent La3+ sites. In the first La3+ site, La3+ is bonded in a 8-coordinate geometry to eight S2- atoms. There are a spread of La–S bond distances ranging from 2.87–3.17 Å. In the second La3+ site, La3+ is bonded in a 8-coordinate geometry to eight S2- atoms. There are a spread of La–S bond distances ranging from 2.89–3.12 Å. There are two inequivalent Si4+ sites. In the first Si4+ site, Si4+ is bonded in a tetrahedral geometry to four S2- atoms. There are one shorter (2.10 Å) and three longer (2.15 Å) Si–S bond lengths. In the second Si4+ site, Si4+ is bonded in a tetrahedral geometry to four S2- atoms. There are one shorter (2.11 Å) and three longer (2.15 Å) Si–S bond lengths. There are six inequivalent S2- sites. In the first S2- site, S2- is bonded in a distorted tetrahedral geometry to three equivalent La3+ and one Si4+ atom. In the second S2- site, S2- is bonded in a distorted tetrahedral geometry to three equivalent La3+ and one Si4+ atom. In the third S2- site, S2- is bonded in a 5-coordinate geometry to one Mg2+ and four La3+ atoms. In the fourth S2- site, S2- is bonded in a 5-coordinate geometry to one Mg2+ and four La3+ atoms. In the fifth S2- site, S2- is bonded in a 4-coordinate geometry to three La3+ and one Si4+ atom. In the sixth S2- site, S2- is bonded in a 4-coordinate geometry to three La3+ and one Si4+ atom.},
doi = {10.17188/1667161},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {5}
}