Materials Data on UAs2 by Materials Project
UAs2 crystallizes in the tetragonal P4/nmm space group. The structure is three-dimensional. U6+ is bonded in a 9-coordinate geometry to nine As3- atoms. There are a spread of U–As bond distances ranging from 2.87–3.03 Å. There are two inequivalent As3- sites. In the first As3- site, As3- is bonded in a 8-coordinate geometry to four equivalent U6+ and four equivalent As3- atoms. All As–As bond lengths are 2.80 Å. In the second As3- site, As3- is bonded to five equivalent U6+ atoms to form a mixture of distorted edge and corner-sharing AsU5 square pyramids.
- 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:
- 1192037
- Report Number(s):
- mp-1657
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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