Materials Data on Sm3Si2S8I by Materials Project
Sm3Si2S8I crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are two inequivalent Sm3+ sites. In the first Sm3+ site, Sm3+ is bonded in a 9-coordinate geometry to eight S2- and one I1- atom. There are a spread of Sm–S bond distances ranging from 2.90–3.07 Å. The Sm–I bond length is 3.47 Å. In the second Sm3+ site, Sm3+ is bonded in a 9-coordinate geometry to eight S2- and one I1- atom. There are a spread of Sm–S bond distances ranging from 2.87–3.34 Å. The Sm–I bond length is 3.21 Å. Si4+ is bonded in a tetrahedral geometry to four S2- atoms. There are three shorter (2.12 Å) and one longer (2.14 Å) Si–S bond lengths. There are four inequivalent S2- sites. In the first S2- site, S2- is bonded in a 4-coordinate geometry to three Sm3+ and one Si4+ atom. In the second S2- site, S2- is bonded in a 4-coordinate geometry to three Sm3+ and one Si4+ atom. In the third S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three equivalent Sm3+ and one Si4+ atom. In the fourth S2- site, S2- is bonded in a 1-coordinate geometry to three Sm3+ and one Si4+ atom. I1- is bonded in a 1-coordinate geometry to three Sm3+ 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:
- 1271425
- Report Number(s):
- mp-560356
- Country of Publication:
- United States
- Language:
- English
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