Materials Data on Mg4As6Rh7 by Materials Project
Mg4Rh7As6 crystallizes in the cubic Im-3m space group. The structure is three-dimensional. Mg is bonded to six equivalent Rh and six equivalent As atoms to form MgAs6Rh6 cuboctahedra that share corners with twelve equivalent MgAs6Rh6 cuboctahedra, faces with six equivalent MgAs6Rh6 cuboctahedra, and faces with two equivalent RhAs6 octahedra. All Mg–Rh bond lengths are 2.89 Å. All Mg–As bond lengths are 2.93 Å. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded to six equivalent As atoms to form RhAs6 octahedra that share faces with eight equivalent MgAs6Rh6 cuboctahedra. All Rh–As bond lengths are 2.56 Å. In the second Rh site, Rh is bonded in a 12-coordinate geometry to four equivalent Mg and four equivalent As atoms. All Rh–As bond lengths are 2.55 Å. As is bonded in a 9-coordinate geometry to four equivalent Mg and five Rh 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:
- 1197560
- Report Number(s):
- mp-22326
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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