Materials Data on Sr(CuAs)2 by Materials Project
SrCu2As2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Sr2+ is bonded in a body-centered cubic geometry to eight equivalent As3- atoms. All Sr–As bond lengths are 3.30 Å. Cu2+ is bonded to four equivalent As3- atoms to form a mixture of corner and edge-sharing CuAs4 tetrahedra. All Cu–As bond lengths are 2.49 Å. As3- is bonded in a 9-coordinate geometry to four equivalent Sr2+, four equivalent Cu2+, and one As3- atom. The As–As bond length is 2.76 Å.
- 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:
- 1208450
- Report Number(s):
- mp-4861
- Country of Publication:
- United States
- Language:
- English
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