Materials Data on Ba(CuSb)2 by Materials Project
BaCu2Sb2 crystallizes in the tetragonal P4/nmm space group. The structure is three-dimensional. Ba2+ is bonded in a 8-coordinate geometry to eight Sb3- atoms. There are four shorter (3.53 Å) and four longer (3.68 Å) Ba–Sb bond lengths. There are two inequivalent Cu2+ sites. In the first Cu2+ site, Cu2+ is bonded to four equivalent Sb3- atoms to form a mixture of edge and corner-sharing CuSb4 tetrahedra. All Cu–Sb bond lengths are 2.71 Å. In the second Cu2+ site, Cu2+ is bonded in a 5-coordinate geometry to five Sb3- atoms. There are one shorter (2.65 Å) and four longer (2.74 Å) Cu–Sb bond lengths. There are two inequivalent Sb3- sites. In the first Sb3- site, Sb3- is bonded in a 4-coordinate geometry to four equivalent Ba2+ and four equivalent Cu2+ atoms. In the second Sb3- site, Sb3- is bonded in a 9-coordinate geometry to four equivalent Ba2+ and five Cu2+ atoms.
- 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:
- 1751801
- Report Number(s):
- mp-1080702
- Country of Publication:
- United States
- Language:
- English
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