Materials Data on CsVCuF6 by Materials Project
CsVCuF6 crystallizes in the orthorhombic Imma space group. The structure is three-dimensional. Cs1+ is bonded to six F1- atoms to form distorted CsF6 octahedra that share corners with six equivalent VF6 octahedra and corners with six equivalent CuF6 octahedra. The corner-sharing octahedra tilt angles range from 67–71°. There are a spread of Cs–F bond distances ranging from 3.17–3.39 Å. V4+ is bonded to six F1- atoms to form VF6 octahedra that share corners with two equivalent VF6 octahedra, corners with four equivalent CuF6 octahedra, and corners with six equivalent CsF6 octahedra. The corner-sharing octahedra tilt angles range from 39–71°. There is four shorter (1.94 Å) and two longer (2.02 Å) V–F bond length. Cu1+ is bonded to six F1- atoms to form CuF6 octahedra that share corners with two equivalent CuF6 octahedra, corners with four equivalent VF6 octahedra, and corners with six equivalent CsF6 octahedra. The corner-sharing octahedra tilt angles range from 43–69°. There are two shorter (1.94 Å) and four longer (2.11 Å) Cu–F bond lengths. There are four inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one Cs1+ and two equivalent V4+ atoms. In the second F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one Cs1+ and two equivalent Cu1+ atoms. The F–Cs bond length is 3.27 Å. Both F–Cu bond lengths are 1.94 Å. In the third F1- site, F1- is bonded in a 2-coordinate geometry to one Cs1+, one V4+, and one Cu1+ atom. In the fourth F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one Cs1+ and two equivalent Cu1+ 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:
- 1694688
- Report Number(s):
- mp-1229021
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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