Materials Data on UAsSe by Materials Project
UAsSe is Matlockite structured and crystallizes in the tetragonal P4/nmm space group. The structure is three-dimensional. U5+ is bonded in a 9-coordinate geometry to four equivalent As3- and five equivalent Se2- atoms. All U–As bond lengths are 3.03 Å. There are four shorter (2.92 Å) and one longer (3.04 Å) U–Se bond lengths. As3- is bonded in a 8-coordinate geometry to four equivalent U5+ and four equivalent As3- atoms. All As–As bond lengths are 2.81 Å. Se2- is bonded to five equivalent U5+ atoms to form a mixture of distorted edge and corner-sharing SeU5 trigonal bipyramids.
- Research Organization:
- LBNL Materials Project; Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
- Contributing Organization:
- The Materials Project; MIT; UC Berkeley; Duke; U Louvain
- DOE Contract Number:
- AC02-05CH11231
- OSTI ID:
- 1198809
- Report Number(s):
- mp-22595
- Country of Publication:
- United States
- Language:
- English
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