Materials Data on Mn3CrTe4 by Materials Project
CrMn3Te4 is Caswellsilverite-like structured and crystallizes in the trigonal P-3m1 space group. The structure is three-dimensional. Cr2+ is bonded to six equivalent Te2- atoms to form CrTe6 octahedra that share corners with twelve equivalent MnTe6 octahedra, edges with six equivalent CrTe6 octahedra, and faces with two equivalent MnTe6 octahedra. The corner-sharing octahedral tilt angles are 50°. All Cr–Te bond lengths are 2.85 Å. There are two inequivalent Mn2+ sites. In the first Mn2+ site, Mn2+ is bonded to six equivalent Te2- atoms to form a mixture of edge, corner, and face-sharing MnTe6 octahedra. The corner-sharing octahedral tilt angles are 51°. All Mn–Te bond lengths are 2.87 Å. In the second Mn2+ site, Mn2+ is bonded to six Te2- atoms to form MnTe6 octahedra that share corners with six equivalent CrTe6 octahedra, corners with six equivalent MnTe6 octahedra, edges with six equivalent MnTe6 octahedra, a faceface with one CrTe6 octahedra, and a faceface with one MnTe6 octahedra. The corner-sharing octahedra tilt angles range from 50–51°. There are three shorter (2.82 Å) and three longer (2.91 Å) Mn–Te bond lengths. There are two inequivalent Te2- sites. In the first Te2- site, Te2- is bonded in a 6-coordinate geometry to three equivalent Cr2+ and three equivalent Mn2+ atoms. In the second Te2- site, Te2- is bonded in a 6-coordinate geometry to six Mn2+ 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:
- 1732928
- Report Number(s):
- mp-1221907
- Country of Publication:
- United States
- Language:
- English
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