Materials Data on KEu(CuTe2)2 by Materials Project
KEu(CuTe2)2 crystallizes in the tetragonal P4mm space group. The structure is three-dimensional. K1+ is bonded in a 8-coordinate geometry to eight Te2- atoms. There are four shorter (3.53 Å) and four longer (3.72 Å) K–Te bond lengths. Eu3+ is bonded in a 8-coordinate geometry to eight Te2- atoms. There are four shorter (3.33 Å) and four longer (3.39 Å) Eu–Te bond lengths. Cu2+ is bonded to four Te2- atoms to form a mixture of corner and edge-sharing CuTe4 tetrahedra. There are two shorter (2.65 Å) and two longer (2.77 Å) Cu–Te bond lengths. There are three inequivalent Te2- sites. In the first Te2- site, Te2- is bonded in a 8-coordinate geometry to four equivalent K1+ and four equivalent Cu2+ atoms. In the second Te2- site, Te2- is bonded in a 8-coordinate geometry to two equivalent K1+, two equivalent Eu3+, and four equivalent Te2- atoms. All Te–Te bond lengths are 3.14 Å. In the third Te2- site, Te2- is bonded in a 8-coordinate geometry to four equivalent Eu3+ and four equivalent Cu2+ atoms.
- Research Organization:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). LBNL Materials Project
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Contributing Organization:
- MIT; UC Berkeley; Duke; U Louvain
- DOE Contract Number:
- AC02-05CH11231; EDCBEE
- OSTI ID:
- 1278283
- Report Number(s):
- mp-624928
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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