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Title: Materials Data on CaSnS3 by Materials Project

Abstract

CaSnS3 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are three inequivalent Ca2+ sites. In the first Ca2+ site, Ca2+ is bonded to seven S2- atoms to form distorted CaS7 pentagonal bipyramids that share corners with four SnS4 tetrahedra, edges with four CaS6 octahedra, edges with two equivalent CaS7 pentagonal bipyramids, and edges with two SnS4 tetrahedra. There are a spread of Ca–S bond distances ranging from 2.95–3.02 Å. In the second Ca2+ site, Ca2+ is bonded to six S2- atoms to form distorted CaS6 octahedra that share corners with five SnS4 tetrahedra, edges with two equivalent CaS6 octahedra, edges with two equivalent CaS7 pentagonal bipyramids, and an edgeedge with one SnS4 tetrahedra. There are a spread of Ca–S bond distances ranging from 2.83–3.04 Å. In the third Ca2+ site, Ca2+ is bonded to six S2- atoms to form distorted CaS6 octahedra that share corners with five SnS4 tetrahedra, edges with two equivalent CaS6 octahedra, edges with two equivalent CaS7 pentagonal bipyramids, and an edgeedge with one SnS4 tetrahedra. There are a spread of Ca–S bond distances ranging from 2.82–3.06 Å. There are three inequivalent Sn4+ sites. In the first Sn4+ site, Sn4+ is bonded tomore » four S2- atoms to form distorted SnS4 tetrahedra that share corners with four CaS6 octahedra, a cornercorner with one CaS7 pentagonal bipyramid, corners with two SnS4 tetrahedra, and an edgeedge with one CaS7 pentagonal bipyramid. The corner-sharing octahedra tilt angles range from 40–65°. There are a spread of Sn–S bond distances ranging from 2.36–2.48 Å. In the second Sn4+ site, Sn4+ is bonded to four S2- atoms to form distorted SnS4 tetrahedra that share corners with four CaS6 octahedra, a cornercorner with one CaS7 pentagonal bipyramid, corners with two SnS4 tetrahedra, and an edgeedge with one CaS7 pentagonal bipyramid. The corner-sharing octahedra tilt angles range from 41–67°. There are a spread of Sn–S bond distances ranging from 2.34–2.48 Å. In the third Sn4+ site, Sn4+ is bonded to four S2- atoms to form SnS4 tetrahedra that share corners with two CaS6 octahedra, corners with two equivalent CaS7 pentagonal bipyramids, corners with two SnS4 tetrahedra, and edges with two CaS6 octahedra. The corner-sharing octahedral tilt angles are 62°. There are a spread of Sn–S bond distances ranging from 2.39–2.43 Å. There are nine inequivalent S2- sites. In the first S2- site, S2- is bonded to three Ca2+ and one Sn4+ atom to form a mixture of distorted corner and edge-sharing SCa3Sn tetrahedra. In the second S2- site, S2- is bonded to three Ca2+ and one Sn4+ atom to form a mixture of distorted corner and edge-sharing SCa3Sn tetrahedra. In the third S2- site, S2- is bonded in a trigonal planar geometry to two Ca2+ and one Sn4+ atom. In the fourth S2- site, S2- is bonded in a trigonal planar geometry to two Ca2+ and one Sn4+ atom. In the fifth S2- site, S2- is bonded in a distorted trigonal planar geometry to one Ca2+ and two Sn4+ atoms. In the sixth S2- site, S2- is bonded in a distorted trigonal planar geometry to one Ca2+ and two Sn4+ atoms. In the seventh S2- site, S2- is bonded to three Ca2+ and one Sn4+ atom to form a mixture of distorted corner and edge-sharing SCa3Sn tetrahedra. In the eighth S2- site, S2- is bonded in a distorted T-shaped geometry to one Ca2+ and two Sn4+ atoms. In the ninth S2- site, S2- is bonded to three Ca2+ and one Sn4+ atom to form a mixture of distorted corner and edge-sharing SCa3Sn tetrahedra.« less

Authors:
Publication Date:
Other Number(s):
mp-1100375
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; CaSnS3; Ca-S-Sn
OSTI Identifier:
1738554
DOI:
https://doi.org/10.17188/1738554

Citation Formats

The Materials Project. Materials Data on CaSnS3 by Materials Project. United States: N. p., 2020. Web. doi:10.17188/1738554.
The Materials Project. Materials Data on CaSnS3 by Materials Project. United States. doi:https://doi.org/10.17188/1738554
The Materials Project. 2020. "Materials Data on CaSnS3 by Materials Project". United States. doi:https://doi.org/10.17188/1738554. https://www.osti.gov/servlets/purl/1738554. Pub date:Sat May 02 00:00:00 EDT 2020
@article{osti_1738554,
title = {Materials Data on CaSnS3 by Materials Project},
author = {The Materials Project},
abstractNote = {CaSnS3 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are three inequivalent Ca2+ sites. In the first Ca2+ site, Ca2+ is bonded to seven S2- atoms to form distorted CaS7 pentagonal bipyramids that share corners with four SnS4 tetrahedra, edges with four CaS6 octahedra, edges with two equivalent CaS7 pentagonal bipyramids, and edges with two SnS4 tetrahedra. There are a spread of Ca–S bond distances ranging from 2.95–3.02 Å. In the second Ca2+ site, Ca2+ is bonded to six S2- atoms to form distorted CaS6 octahedra that share corners with five SnS4 tetrahedra, edges with two equivalent CaS6 octahedra, edges with two equivalent CaS7 pentagonal bipyramids, and an edgeedge with one SnS4 tetrahedra. There are a spread of Ca–S bond distances ranging from 2.83–3.04 Å. In the third Ca2+ site, Ca2+ is bonded to six S2- atoms to form distorted CaS6 octahedra that share corners with five SnS4 tetrahedra, edges with two equivalent CaS6 octahedra, edges with two equivalent CaS7 pentagonal bipyramids, and an edgeedge with one SnS4 tetrahedra. There are a spread of Ca–S bond distances ranging from 2.82–3.06 Å. There are three inequivalent Sn4+ sites. In the first Sn4+ site, Sn4+ is bonded to four S2- atoms to form distorted SnS4 tetrahedra that share corners with four CaS6 octahedra, a cornercorner with one CaS7 pentagonal bipyramid, corners with two SnS4 tetrahedra, and an edgeedge with one CaS7 pentagonal bipyramid. The corner-sharing octahedra tilt angles range from 40–65°. There are a spread of Sn–S bond distances ranging from 2.36–2.48 Å. In the second Sn4+ site, Sn4+ is bonded to four S2- atoms to form distorted SnS4 tetrahedra that share corners with four CaS6 octahedra, a cornercorner with one CaS7 pentagonal bipyramid, corners with two SnS4 tetrahedra, and an edgeedge with one CaS7 pentagonal bipyramid. The corner-sharing octahedra tilt angles range from 41–67°. There are a spread of Sn–S bond distances ranging from 2.34–2.48 Å. In the third Sn4+ site, Sn4+ is bonded to four S2- atoms to form SnS4 tetrahedra that share corners with two CaS6 octahedra, corners with two equivalent CaS7 pentagonal bipyramids, corners with two SnS4 tetrahedra, and edges with two CaS6 octahedra. The corner-sharing octahedral tilt angles are 62°. There are a spread of Sn–S bond distances ranging from 2.39–2.43 Å. There are nine inequivalent S2- sites. In the first S2- site, S2- is bonded to three Ca2+ and one Sn4+ atom to form a mixture of distorted corner and edge-sharing SCa3Sn tetrahedra. In the second S2- site, S2- is bonded to three Ca2+ and one Sn4+ atom to form a mixture of distorted corner and edge-sharing SCa3Sn tetrahedra. In the third S2- site, S2- is bonded in a trigonal planar geometry to two Ca2+ and one Sn4+ atom. In the fourth S2- site, S2- is bonded in a trigonal planar geometry to two Ca2+ and one Sn4+ atom. In the fifth S2- site, S2- is bonded in a distorted trigonal planar geometry to one Ca2+ and two Sn4+ atoms. In the sixth S2- site, S2- is bonded in a distorted trigonal planar geometry to one Ca2+ and two Sn4+ atoms. In the seventh S2- site, S2- is bonded to three Ca2+ and one Sn4+ atom to form a mixture of distorted corner and edge-sharing SCa3Sn tetrahedra. In the eighth S2- site, S2- is bonded in a distorted T-shaped geometry to one Ca2+ and two Sn4+ atoms. In the ninth S2- site, S2- is bonded to three Ca2+ and one Sn4+ atom to form a mixture of distorted corner and edge-sharing SCa3Sn tetrahedra.},
doi = {10.17188/1738554},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {5}
}