Materials Data on Pr2Zn17 by Materials Project
Pr2Zn17 crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. there are two inequivalent Pr sites. In the first Pr site, Pr is bonded in a 12-coordinate geometry to eighteen Zn atoms. There are a spread of Pr–Zn bond distances ranging from 3.21–3.52 Å. In the second Pr site, Pr is bonded in a 8-coordinate geometry to twenty Zn atoms. There are a spread of Pr–Zn bond distances ranging from 3.15–3.45 Å. There are four inequivalent Zn sites. In the first Zn site, Zn is bonded in a 2-coordinate geometry to one Pr and thirteen Zn atoms. There are a spread of Zn–Zn bond distances ranging from 2.60–2.98 Å. In the second Zn site, Zn is bonded to three Pr and nine Zn atoms to form distorted ZnPr3Zn9 cuboctahedra that share corners with twenty-three ZnPr2Zn10 cuboctahedra, edges with ten ZnPr2Zn10 cuboctahedra, and faces with twenty ZnPr3Zn9 cuboctahedra. There are a spread of Zn–Zn bond distances ranging from 2.59–2.78 Å. In the third Zn site, Zn is bonded to two Pr and ten Zn atoms to form distorted ZnPr2Zn10 cuboctahedra that share corners with twenty-four ZnPr3Zn9 cuboctahedra, edges with five ZnPr2Zn10 cuboctahedra, and faces with twenty-one ZnPr3Zn9 cuboctahedra. There are three shorter (2.63 Å) and one longer (2.74 Å) Zn–Zn bond lengths. In the fourth Zn site, Zn is bonded to two equivalent Pr and ten Zn atoms to form ZnPr2Zn10 cuboctahedra that share corners with twenty-two ZnPr2Zn10 cuboctahedra, edges with ten ZnPr2Zn10 cuboctahedra, and faces with eighteen ZnPr3Zn9 cuboctahedra.
- 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:
- 1315362
- Report Number(s):
- mp-976812
- Country of Publication:
- United States
- Language:
- English
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