Materials Data on K2LaBr5 by Materials Project
K2LaBr5 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. K1+ is bonded in a 8-coordinate geometry to eight Br1- atoms. There are a spread of K–Br bond distances ranging from 3.39–3.62 Å. La3+ is bonded to seven Br1- atoms to form distorted edge-sharing LaBr7 pentagonal bipyramids. There are a spread of La–Br bond distances ranging from 2.98–3.07 Å. There are four inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a 5-coordinate geometry to four equivalent K1+ and one La3+ atom. In the second Br1- site, Br1- is bonded in a 4-coordinate geometry to two equivalent K1+ and two equivalent La3+ atoms. In the third Br1- site, Br1- is bonded to four equivalent K1+ and one La3+ atom to form a mixture of distorted face, edge, and corner-sharing BrK4La trigonal bipyramids. In the fourth Br1- site, Br1- is bonded to four equivalent K1+ and one La3+ atom to form a mixture of distorted face, edge, and corner-sharing BrK4La trigonal bipyramids.
- 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:
- 1746969
- Report Number(s):
- mp-1212029
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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