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Title: Materials Data on Cr8Fe3NiS16 by Materials Project

Abstract

Cr8Fe3NiS16 is Spinel-derived structured and crystallizes in the trigonal R3m space group. The structure is three-dimensional. there are four inequivalent Cr3+ sites. In the first Cr3+ site, Cr3+ is bonded to six S2- atoms to form CrS6 octahedra that share corners with three equivalent FeS4 tetrahedra, corners with three equivalent NiS4 tetrahedra, and edges with six CrS6 octahedra. There are three shorter (2.39 Å) and three longer (2.42 Å) Cr–S bond lengths. In the second Cr3+ site, Cr3+ is bonded to six S2- atoms to form CrS6 octahedra that share corners with six FeS4 tetrahedra and edges with six CrS6 octahedra. There are three shorter (2.40 Å) and three longer (2.41 Å) Cr–S bond lengths. In the third Cr3+ site, Cr3+ is bonded to six S2- atoms to form CrS6 octahedra that share corners with two equivalent NiS4 tetrahedra, corners with four FeS4 tetrahedra, and edges with six CrS6 octahedra. There are a spread of Cr–S bond distances ranging from 2.39–2.42 Å. In the fourth Cr3+ site, Cr3+ is bonded to six S2- atoms to form CrS6 octahedra that share a cornercorner with one NiS4 tetrahedra, corners with five FeS4 tetrahedra, and edges with six CrS6 octahedra. There are amore » spread of Cr–S bond distances ranging from 2.39–2.42 Å. There are three inequivalent Fe2+ sites. In the first Fe2+ site, Fe2+ is bonded to four S2- atoms to form FeS4 tetrahedra that share corners with twelve CrS6 octahedra. The corner-sharing octahedra tilt angles range from 57–58°. All Fe–S bond lengths are 2.29 Å. In the second Fe2+ site, Fe2+ is bonded to four S2- atoms to form FeS4 tetrahedra that share corners with twelve CrS6 octahedra. The corner-sharing octahedral tilt angles are 58°. There are one shorter (2.27 Å) and three longer (2.28 Å) Fe–S bond lengths. In the third Fe2+ site, Fe2+ is bonded to four S2- atoms to form FeS4 tetrahedra that share corners with twelve CrS6 octahedra. The corner-sharing octahedra tilt angles range from 57–58°. There are three shorter (2.29 Å) and one longer (2.31 Å) Fe–S bond lengths. Ni2+ is bonded to four S2- atoms to form NiS4 tetrahedra that share corners with twelve CrS6 octahedra. The corner-sharing octahedra tilt angles range from 55–57°. All Ni–S bond lengths are 2.24 Å. There are eight inequivalent S2- sites. In the first S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three equivalent Cr3+ and one Ni2+ atom. In the second S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three equivalent Cr3+ and one Fe2+ atom. In the third S2- site, S2- is bonded in a rectangular see-saw-like geometry to three Cr3+ and one Ni2+ atom. In the fourth S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three Cr3+ and one Fe2+ atom. In the fifth S2- site, S2- is bonded to three equivalent Cr3+ and one Fe2+ atom to form a mixture of distorted corner and edge-sharing SCr3Fe trigonal pyramids. In the sixth S2- site, S2- is bonded to three equivalent Cr3+ and one Fe2+ atom to form a mixture of distorted corner and edge-sharing SCr3Fe trigonal pyramids. In the seventh S2- site, S2- is bonded to three Cr3+ and one Fe2+ atom to form a mixture of distorted corner and edge-sharing SCr3Fe trigonal pyramids. In the eighth S2- site, S2- is bonded to three Cr3+ and one Fe2+ atom to form a mixture of distorted corner and edge-sharing SCr3Fe trigonal pyramids.« less

Authors:
Publication Date:
Other Number(s):
mp-1226423
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; Cr8Fe3NiS16; Cr-Fe-Ni-S
OSTI Identifier:
1734230
DOI:
https://doi.org/10.17188/1734230

Citation Formats

The Materials Project. Materials Data on Cr8Fe3NiS16 by Materials Project. United States: N. p., 2020. Web. doi:10.17188/1734230.
The Materials Project. Materials Data on Cr8Fe3NiS16 by Materials Project. United States. doi:https://doi.org/10.17188/1734230
The Materials Project. 2020. "Materials Data on Cr8Fe3NiS16 by Materials Project". United States. doi:https://doi.org/10.17188/1734230. https://www.osti.gov/servlets/purl/1734230. Pub date:Fri Jun 05 00:00:00 EDT 2020
@article{osti_1734230,
title = {Materials Data on Cr8Fe3NiS16 by Materials Project},
author = {The Materials Project},
abstractNote = {Cr8Fe3NiS16 is Spinel-derived structured and crystallizes in the trigonal R3m space group. The structure is three-dimensional. there are four inequivalent Cr3+ sites. In the first Cr3+ site, Cr3+ is bonded to six S2- atoms to form CrS6 octahedra that share corners with three equivalent FeS4 tetrahedra, corners with three equivalent NiS4 tetrahedra, and edges with six CrS6 octahedra. There are three shorter (2.39 Å) and three longer (2.42 Å) Cr–S bond lengths. In the second Cr3+ site, Cr3+ is bonded to six S2- atoms to form CrS6 octahedra that share corners with six FeS4 tetrahedra and edges with six CrS6 octahedra. There are three shorter (2.40 Å) and three longer (2.41 Å) Cr–S bond lengths. In the third Cr3+ site, Cr3+ is bonded to six S2- atoms to form CrS6 octahedra that share corners with two equivalent NiS4 tetrahedra, corners with four FeS4 tetrahedra, and edges with six CrS6 octahedra. There are a spread of Cr–S bond distances ranging from 2.39–2.42 Å. In the fourth Cr3+ site, Cr3+ is bonded to six S2- atoms to form CrS6 octahedra that share a cornercorner with one NiS4 tetrahedra, corners with five FeS4 tetrahedra, and edges with six CrS6 octahedra. There are a spread of Cr–S bond distances ranging from 2.39–2.42 Å. There are three inequivalent Fe2+ sites. In the first Fe2+ site, Fe2+ is bonded to four S2- atoms to form FeS4 tetrahedra that share corners with twelve CrS6 octahedra. The corner-sharing octahedra tilt angles range from 57–58°. All Fe–S bond lengths are 2.29 Å. In the second Fe2+ site, Fe2+ is bonded to four S2- atoms to form FeS4 tetrahedra that share corners with twelve CrS6 octahedra. The corner-sharing octahedral tilt angles are 58°. There are one shorter (2.27 Å) and three longer (2.28 Å) Fe–S bond lengths. In the third Fe2+ site, Fe2+ is bonded to four S2- atoms to form FeS4 tetrahedra that share corners with twelve CrS6 octahedra. The corner-sharing octahedra tilt angles range from 57–58°. There are three shorter (2.29 Å) and one longer (2.31 Å) Fe–S bond lengths. Ni2+ is bonded to four S2- atoms to form NiS4 tetrahedra that share corners with twelve CrS6 octahedra. The corner-sharing octahedra tilt angles range from 55–57°. All Ni–S bond lengths are 2.24 Å. There are eight inequivalent S2- sites. In the first S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three equivalent Cr3+ and one Ni2+ atom. In the second S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three equivalent Cr3+ and one Fe2+ atom. In the third S2- site, S2- is bonded in a rectangular see-saw-like geometry to three Cr3+ and one Ni2+ atom. In the fourth S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three Cr3+ and one Fe2+ atom. In the fifth S2- site, S2- is bonded to three equivalent Cr3+ and one Fe2+ atom to form a mixture of distorted corner and edge-sharing SCr3Fe trigonal pyramids. In the sixth S2- site, S2- is bonded to three equivalent Cr3+ and one Fe2+ atom to form a mixture of distorted corner and edge-sharing SCr3Fe trigonal pyramids. In the seventh S2- site, S2- is bonded to three Cr3+ and one Fe2+ atom to form a mixture of distorted corner and edge-sharing SCr3Fe trigonal pyramids. In the eighth S2- site, S2- is bonded to three Cr3+ and one Fe2+ atom to form a mixture of distorted corner and edge-sharing SCr3Fe trigonal pyramids.},
doi = {10.17188/1734230},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {6}
}