Materials Data on LuAlCo by Materials Project
LuCoAl crystallizes in the orthorhombic Amm2 space group. The structure is three-dimensional. there are two inequivalent Lu sites. In the first Lu site, Lu is bonded in a 12-coordinate geometry to three equivalent Lu, five Co, and seven Al atoms. There are two shorter (3.21 Å) and one longer (3.22 Å) Lu–Lu bond lengths. There are a spread of Lu–Co bond distances ranging from 2.85–3.16 Å. There are a spread of Lu–Al bond distances ranging from 3.10–3.14 Å. In the second Lu site, Lu is bonded in a 12-coordinate geometry to four Lu, seven Co, and five Al atoms. The Lu–Lu bond length is 2.92 Å. There are a spread of Lu–Co bond distances ranging from 2.97–3.08 Å. There are a spread of Lu–Al bond distances ranging from 2.98–3.13 Å. There are three inequivalent Co sites. In the first Co site, Co is bonded to six Lu and six Al atoms to form CoLu6Al6 cuboctahedra that share corners with four equivalent CoLu6Al6 cuboctahedra, corners with four equivalent AlLu6Al2Co4 cuboctahedra, edges with two equivalent CoLu6Al6 cuboctahedra, and faces with fourteen AlLu6Al2Co4 cuboctahedra. There are a spread of Co–Al bond distances ranging from 2.59–2.70 Å. In the second Co site, Co is bonded in a 12-coordinate geometry to six Lu, four Co, and two equivalent Al atoms. There are a spread of Co–Co bond distances ranging from 2.46–2.84 Å. Both Co–Al bond lengths are 2.50 Å. In the third Co site, Co is bonded in a 12-coordinate geometry to six Lu, four equivalent Co, and two equivalent Al atoms. Both Co–Al bond lengths are 2.50 Å. There are two inequivalent Al sites. In the first Al site, Al is bonded to six Lu, four Co, and two equivalent Al atoms to form distorted AlLu6Al2Co4 cuboctahedra that share corners with two equivalent CoLu6Al6 cuboctahedra, corners with four equivalent AlLu6Al4Co2 cuboctahedra, edges with six equivalent AlLu6Al2Co4 cuboctahedra, faces with three equivalent CoLu6Al6 cuboctahedra, and faces with eight AlLu6Al2Co4 cuboctahedra. Both Al–Al bond lengths are 2.76 Å. In the second Al site, Al is bonded to six Lu, two equivalent Co, and four Al atoms to form distorted AlLu6Al4Co2 cuboctahedra that share corners with eight AlLu6Al2Co4 cuboctahedra, edges with two equivalent AlLu6Al4Co2 cuboctahedra, faces with four equivalent CoLu6Al6 cuboctahedra, and faces with ten AlLu6Al2Co4 cuboctahedra. There are one shorter (2.63 Å) and one longer (2.70 Å) Al–Al bond lengths.
- 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:
- 1674865
- Report Number(s):
- mp-1222417
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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