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Title: Materials Data on Sr2Si by Materials Project

Abstract

Sr2Si is Cotunnite structured and crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. there are two inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded in a distorted trigonal non-coplanar geometry to three equivalent Si4- atoms. There are one shorter (3.26 Å) and two longer (3.46 Å) Sr–Si bond lengths. In the second Sr2+ site, Sr2+ is bonded to four equivalent Si4- atoms to form a mixture of edge and corner-sharing SrSi4 tetrahedra. There are a spread of Sr–Si bond distances ranging from 3.18–3.25 Å. Si4- is bonded in a 7-coordinate geometry to seven Sr2+ atoms.

Publication Date:
Other Number(s):
mp-1106
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; Sr2Si; Si-Sr
OSTI Identifier:
1187548
DOI:
10.17188/1187548

Citation Formats

The Materials Project. Materials Data on Sr2Si by Materials Project. United States: N. p., 2020. Web. doi:10.17188/1187548.
The Materials Project. Materials Data on Sr2Si by Materials Project. United States. doi:10.17188/1187548.
The Materials Project. 2020. "Materials Data on Sr2Si by Materials Project". United States. doi:10.17188/1187548. https://www.osti.gov/servlets/purl/1187548. Pub date:Sat Jul 18 00:00:00 EDT 2020
@article{osti_1187548,
title = {Materials Data on Sr2Si by Materials Project},
author = {The Materials Project},
abstractNote = {Sr2Si is Cotunnite structured and crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. there are two inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded in a distorted trigonal non-coplanar geometry to three equivalent Si4- atoms. There are one shorter (3.26 Å) and two longer (3.46 Å) Sr–Si bond lengths. In the second Sr2+ site, Sr2+ is bonded to four equivalent Si4- atoms to form a mixture of edge and corner-sharing SrSi4 tetrahedra. There are a spread of Sr–Si bond distances ranging from 3.18–3.25 Å. Si4- is bonded in a 7-coordinate geometry to seven Sr2+ atoms.},
doi = {10.17188/1187548},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {7}
}

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