Materials Data on Eu3Zn2(CuP2)2 by Materials Project
Eu3Zn2(CuP2)2 crystallizes in the trigonal P-3m1 space group. The structure is three-dimensional. there are two inequivalent Eu2+ sites. In the first Eu2+ site, Eu2+ is bonded to six equivalent P3- atoms to form a mixture of corner, edge, and face-sharing EuP6 octahedra. The corner-sharing octahedral tilt angles are 44°. All Eu–P bond lengths are 3.12 Å. In the second Eu2+ site, Eu2+ is bonded to six P3- atoms to form EuP6 octahedra that share corners with six equivalent EuP6 octahedra, corners with six equivalent ZnP4 tetrahedra, edges with six equivalent EuP6 octahedra, edges with three equivalent ZnP4 tetrahedra, and a faceface with one EuP6 octahedra. The corner-sharing octahedral tilt angles are 44°. There are three shorter (2.98 Å) and three longer (3.13 Å) Eu–P bond lengths. Cu1+ is bonded in a trigonal planar geometry to three equivalent P3- atoms. All Cu–P bond lengths are 2.36 Å. Zn2+ is bonded to four equivalent P3- atoms to form ZnP4 tetrahedra that share corners with six equivalent EuP6 octahedra, corners with six equivalent ZnP4 tetrahedra, edges with three equivalent EuP6 octahedra, and edges with three equivalent ZnP4 tetrahedra. The corner-sharing octahedra tilt angles range from 21–53°. There are three shorter (2.46 Å) and one longer (2.50 Å) Zn–P bond lengths. There are two inequivalent P3- sites. In the first P3- site, P3- is bonded in a 3-coordinate geometry to six Eu2+ and three equivalent Cu1+ atoms. In the second P3- site, P3- is bonded to three equivalent Eu2+ and four equivalent Zn2+ atoms to form distorted edge-sharing PEu3Zn4 pentagonal 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:
- 1754047
- Report Number(s):
- mp-1103457
- Country of Publication:
- United States
- Language:
- English
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