Materials Data on Fe2As by Materials Project
Fe2As crystallizes in the tetragonal P4/nmm space group. The structure is three-dimensional. there are two inequivalent Fe sites. In the first Fe site, Fe is bonded in a 5-coordinate geometry to five equivalent As atoms. There are one shorter (2.42 Å) and four longer (2.61 Å) Fe–As bond lengths. In the second Fe site, Fe is bonded to four equivalent As atoms to form a mixture of distorted edge and corner-sharing FeAs4 tetrahedra. All Fe–As bond lengths are 2.39 Å. As is bonded in a 9-coordinate geometry to nine Fe 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:
- 1195551
- Report Number(s):
- mp-20426
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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