Materials Data on Ba(ZnSn)2 by Materials Project
BaZn2Sn2 crystallizes in the tetragonal P4/nmm space group. The structure is three-dimensional. Ba is bonded in a 12-coordinate geometry to eight Zn and eight Sn atoms. There are four shorter (3.66 Å) and four longer (3.68 Å) Ba–Zn bond lengths. There are four shorter (3.65 Å) and four longer (3.81 Å) Ba–Sn bond lengths. There are two inequivalent Zn sites. In the first Zn site, Zn is bonded in a 9-coordinate geometry to four equivalent Ba and five Sn atoms. There are one shorter (2.71 Å) and four longer (2.86 Å) Zn–Sn bond lengths. In the second Zn site, Zn is bonded in a 4-coordinate geometry to four equivalent Ba and four equivalent Sn atoms. All Zn–Sn bond lengths are 2.81 Å. There are two inequivalent Sn sites. In the first Sn site, Sn is bonded in a 9-coordinate geometry to four equivalent Ba and five Zn atoms. In the second Sn site, Sn is bonded to four equivalent Ba and four equivalent Zn atoms to form a mixture of distorted edge and face-sharing SnBa4Zn4 tetrahedra.
- 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:
- 1189813
- Report Number(s):
- mp-13920
- Country of Publication:
- United States
- Language:
- English
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