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Title: Materials Data on Na5SnAs3 by Materials Project

Abstract

Na5SnAs3 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are five inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded to four As3- atoms to form NaAs4 tetrahedra that share corners with three equivalent NaAs4 tetrahedra, corners with five equivalent SnAs4 tetrahedra, corners with five NaAs5 trigonal bipyramids, edges with two NaAs4 tetrahedra, and edges with four NaAs5 trigonal bipyramids. There are a spread of Na–As bond distances ranging from 2.98–3.06 Å. In the second Na1+ site, Na1+ is bonded in a 4-coordinate geometry to four As3- atoms. There are a spread of Na–As bond distances ranging from 2.99–3.34 Å. In the third Na1+ site, Na1+ is bonded to five As3- atoms to form distorted NaAs5 trigonal bipyramids that share corners with three equivalent SnAs4 tetrahedra, corners with five NaAs4 tetrahedra, corners with four NaAs5 trigonal bipyramids, edges with two equivalent SnAs4 tetrahedra, edges with four NaAs4 tetrahedra, and edges with four NaAs5 trigonal bipyramids. There are a spread of Na–As bond distances ranging from 3.08–3.46 Å. In the fourth Na1+ site, Na1+ is bonded to five As3- atoms to form distorted NaAs5 trigonal bipyramids that share corners with two equivalent SnAs4 tetrahedra, cornersmore » with six NaAs4 tetrahedra, corners with four NaAs5 trigonal bipyramids, edges with two equivalent SnAs4 tetrahedra, edges with four NaAs4 tetrahedra, and edges with four NaAs5 trigonal bipyramids. There are a spread of Na–As bond distances ranging from 3.25–3.39 Å. In the fifth Na1+ site, Na1+ is bonded to four As3- atoms to form NaAs4 tetrahedra that share corners with three equivalent SnAs4 tetrahedra, corners with five NaAs4 tetrahedra, corners with six NaAs5 trigonal bipyramids, an edgeedge with one NaAs4 tetrahedra, an edgeedge with one SnAs4 tetrahedra, and edges with four NaAs5 trigonal bipyramids. There are a spread of Na–As bond distances ranging from 2.95–3.02 Å. Sn4+ is bonded to four As3- atoms to form SnAs4 tetrahedra that share corners with eight NaAs4 tetrahedra, corners with five NaAs5 trigonal bipyramids, an edgeedge with one NaAs4 tetrahedra, an edgeedge with one SnAs4 tetrahedra, and edges with four NaAs5 trigonal bipyramids. There are a spread of Sn–As bond distances ranging from 2.64–2.74 Å. There are three inequivalent As3- sites. In the first As3- site, As3- is bonded in a 9-coordinate geometry to eight Na1+ and one Sn4+ atom. In the second As3- site, As3- is bonded in a 8-coordinate geometry to six Na1+ and two equivalent Sn4+ atoms. In the third As3- site, As3- is bonded in a 9-coordinate geometry to eight Na1+ and one Sn4+ atom.« less

Publication Date:
Other Number(s):
mp-5248
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; Na5SnAs3; As-Na-Sn
OSTI Identifier:
1263163
DOI:
10.17188/1263163

Citation Formats

The Materials Project. Materials Data on Na5SnAs3 by Materials Project. United States: N. p., 2020. Web. doi:10.17188/1263163.
The Materials Project. Materials Data on Na5SnAs3 by Materials Project. United States. doi:10.17188/1263163.
The Materials Project. 2020. "Materials Data on Na5SnAs3 by Materials Project". United States. doi:10.17188/1263163. https://www.osti.gov/servlets/purl/1263163. Pub date:Thu Apr 30 00:00:00 EDT 2020
@article{osti_1263163,
title = {Materials Data on Na5SnAs3 by Materials Project},
author = {The Materials Project},
abstractNote = {Na5SnAs3 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are five inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded to four As3- atoms to form NaAs4 tetrahedra that share corners with three equivalent NaAs4 tetrahedra, corners with five equivalent SnAs4 tetrahedra, corners with five NaAs5 trigonal bipyramids, edges with two NaAs4 tetrahedra, and edges with four NaAs5 trigonal bipyramids. There are a spread of Na–As bond distances ranging from 2.98–3.06 Å. In the second Na1+ site, Na1+ is bonded in a 4-coordinate geometry to four As3- atoms. There are a spread of Na–As bond distances ranging from 2.99–3.34 Å. In the third Na1+ site, Na1+ is bonded to five As3- atoms to form distorted NaAs5 trigonal bipyramids that share corners with three equivalent SnAs4 tetrahedra, corners with five NaAs4 tetrahedra, corners with four NaAs5 trigonal bipyramids, edges with two equivalent SnAs4 tetrahedra, edges with four NaAs4 tetrahedra, and edges with four NaAs5 trigonal bipyramids. There are a spread of Na–As bond distances ranging from 3.08–3.46 Å. In the fourth Na1+ site, Na1+ is bonded to five As3- atoms to form distorted NaAs5 trigonal bipyramids that share corners with two equivalent SnAs4 tetrahedra, corners with six NaAs4 tetrahedra, corners with four NaAs5 trigonal bipyramids, edges with two equivalent SnAs4 tetrahedra, edges with four NaAs4 tetrahedra, and edges with four NaAs5 trigonal bipyramids. There are a spread of Na–As bond distances ranging from 3.25–3.39 Å. In the fifth Na1+ site, Na1+ is bonded to four As3- atoms to form NaAs4 tetrahedra that share corners with three equivalent SnAs4 tetrahedra, corners with five NaAs4 tetrahedra, corners with six NaAs5 trigonal bipyramids, an edgeedge with one NaAs4 tetrahedra, an edgeedge with one SnAs4 tetrahedra, and edges with four NaAs5 trigonal bipyramids. There are a spread of Na–As bond distances ranging from 2.95–3.02 Å. Sn4+ is bonded to four As3- atoms to form SnAs4 tetrahedra that share corners with eight NaAs4 tetrahedra, corners with five NaAs5 trigonal bipyramids, an edgeedge with one NaAs4 tetrahedra, an edgeedge with one SnAs4 tetrahedra, and edges with four NaAs5 trigonal bipyramids. There are a spread of Sn–As bond distances ranging from 2.64–2.74 Å. There are three inequivalent As3- sites. In the first As3- site, As3- is bonded in a 9-coordinate geometry to eight Na1+ and one Sn4+ atom. In the second As3- site, As3- is bonded in a 8-coordinate geometry to six Na1+ and two equivalent Sn4+ atoms. In the third As3- site, As3- is bonded in a 9-coordinate geometry to eight Na1+ and one Sn4+ atom.},
doi = {10.17188/1263163},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {4}
}

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