Materials Data on SmSi3Os by Materials Project
SmOsSi3 crystallizes in the tetragonal I4mm space group. The structure is three-dimensional. Sm3+ is bonded to twelve Si+1.33- atoms to form a mixture of corner, edge, and face-sharing SmSi12 cuboctahedra. There are a spread of Sm–Si bond distances ranging from 3.09–3.37 Å. Os1+ is bonded in a 5-coordinate geometry to five Si+1.33- atoms. There are one shorter (2.34 Å) and four longer (2.37 Å) Os–Si bond lengths. There are two inequivalent Si+1.33- sites. In the first Si+1.33- site, Si+1.33- is bonded in a distorted single-bond geometry to four equivalent Sm3+, one Os1+, and four equivalent Si+1.33- atoms. All Si–Si bond lengths are 2.62 Å. In the second Si+1.33- site, Si+1.33- is bonded in a distorted bent 120 degrees geometry to four equivalent Sm3+, two equivalent Os1+, and two equivalent Si+1.33- atoms.
- Research Organization:
- LBNL Materials Project; Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
- Contributing Organization:
- The Materials Project; MIT; UC Berkeley; Duke; U Louvain
- DOE Contract Number:
- AC02-05CH11231
- OSTI ID:
- 1758058
- Report Number(s):
- mp-1068782
- Country of Publication:
- United States
- Language:
- English
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