Materials Data on TiVAs2 by Materials Project
TiVAs2 is Caswellsilverite-like structured and crystallizes in the trigonal P-3m1 space group. The structure is three-dimensional. Ti4+ is bonded to six equivalent As3- atoms to form TiAs6 octahedra that share corners with twelve equivalent VAs6 octahedra, edges with six equivalent TiAs6 octahedra, and faces with two equivalent VAs6 octahedra. The corner-sharing octahedral tilt angles are 47°. All Ti–As bond lengths are 2.59 Å. V2+ is bonded to six equivalent As3- atoms to form VAs6 octahedra that share corners with twelve equivalent TiAs6 octahedra, edges with six equivalent VAs6 octahedra, and faces with two equivalent TiAs6 octahedra. The corner-sharing octahedral tilt angles are 47°. All V–As bond lengths are 2.54 Å. As3- is bonded to three equivalent Ti4+ and three equivalent V2+ atoms to form a mixture of distorted edge and corner-sharing AsTi3V3 pentagonal pyramids.
- 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:
- 1719888
- Report Number(s):
- mp-1216670
- Country of Publication:
- United States
- Language:
- English
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