Materials Data on La3Co2Sn7 by Materials Project
La3Co2Sn7 crystallizes in the orthorhombic Cmmm space group. The structure is three-dimensional. there are two inequivalent La sites. In the first La site, La is bonded in a 12-coordinate geometry to two equivalent Co and twelve Sn atoms. Both La–Co bond lengths are 3.53 Å. There are four shorter (3.29 Å) and eight longer (3.42 Å) La–Sn bond lengths. In the second La site, La is bonded in a 10-coordinate geometry to four equivalent Co and ten Sn atoms. All La–Co bond lengths are 3.65 Å. There are a spread of La–Sn bond distances ranging from 3.41–3.58 Å. Co is bonded in a 5-coordinate geometry to five La and five Sn atoms. There are one shorter (2.50 Å) and four longer (2.54 Å) Co–Sn bond lengths. There are four inequivalent Sn sites. In the first Sn site, Sn is bonded in a 1-coordinate geometry to six equivalent La, one Co, and two equivalent Sn atoms. Both Sn–Sn bond lengths are 2.95 Å. In the second Sn site, Sn is bonded in a 12-coordinate geometry to four La and two equivalent Co atoms. In the third Sn site, Sn is bonded in a square co-planar geometry to four equivalent La atoms. In the fourth Sn site, Sn is bonded in a 12-coordinate geometry to four La and two equivalent Co atoms.
- 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:
- 1187758
- Report Number(s):
- mp-11356
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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