Materials Data on Sc3Co2Si3 by Materials Project
Sc3Co2Si3 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. there are two inequivalent Sc+2.67+ sites. In the first Sc+2.67+ site, Sc+2.67+ is bonded to five Si4- atoms to form ScSi5 trigonal bipyramids that share corners with four equivalent CoSi4 tetrahedra, corners with six equivalent ScSi5 trigonal bipyramids, and edges with four equivalent CoSi4 tetrahedra. There are a spread of Sc–Si bond distances ranging from 2.70–3.05 Å. In the second Sc+2.67+ site, Sc+2.67+ is bonded in a 6-coordinate geometry to six Si4- atoms. There are a spread of Sc–Si bond distances ranging from 2.77–2.90 Å. Co2+ is bonded to four Si4- atoms to form CoSi4 tetrahedra that share corners with three equivalent CoSi4 tetrahedra, corners with two equivalent ScSi5 trigonal bipyramids, edges with two equivalent CoSi4 tetrahedra, and edges with two equivalent ScSi5 trigonal bipyramids. There are a spread of Co–Si bond distances ranging from 2.28–2.45 Å. There are two inequivalent Si4- sites. In the first Si4- site, Si4- is bonded in a 9-coordinate geometry to seven Sc+2.67+ and two equivalent Co2+ atoms. In the second Si4- site, Si4- is bonded in a 9-coordinate geometry to five Sc+2.67+, three equivalent Co2+, and one Si4- atom. The Si–Si bond length is 2.49 Å.
- Research Organization:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). LBNL Materials Project
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Contributing Organization:
- MIT; UC Berkeley; Duke; U Louvain
- DOE Contract Number:
- AC02-05CH11231; EDCBEE
- OSTI ID:
- 1316955
- Report Number(s):
- mp-9901
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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