Materials Data on Sm3(AgSn)4 by Materials Project
Sm3Ag4Sn4 crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. there are two inequivalent Sm sites. In the first Sm site, Sm is bonded in a 12-coordinate geometry to six equivalent Ag and six Sn atoms. There are four shorter (3.31 Å) and two longer (3.44 Å) Sm–Ag bond lengths. There are two shorter (3.35 Å) and four longer (3.39 Å) Sm–Sn bond lengths. In the second Sm site, Sm is bonded to six Sn atoms to form distorted edge-sharing SmSn6 octahedra. There are four shorter (3.25 Å) and two longer (3.35 Å) Sm–Sn bond lengths. Ag is bonded in a 12-coordinate geometry to three equivalent Sm, one Ag, and four Sn atoms. The Ag–Ag bond length is 2.88 Å. There are a spread of Ag–Sn bond distances ranging from 2.76–2.88 Å. There are two inequivalent Sn sites. In the first Sn site, Sn is bonded in a 9-coordinate geometry to three Sm and six equivalent Ag atoms. In the second Sn site, Sn is bonded in a 9-coordinate geometry to six Sm, two equivalent Ag, and one Sn atom. The Sn–Sn bond length is 2.88 Å.
- 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:
- 1745515
- Report Number(s):
- mp-1205500
- Country of Publication:
- United States
- Language:
- English
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