Materials Data on Cu3AsS4 by Materials Project
Cu3AsS4 is Enargite structured and crystallizes in the orthorhombic Pmn2_1 space group. The structure is three-dimensional. there are two inequivalent Cu1+ sites. In the first Cu1+ site, Cu1+ is bonded to four S2- atoms to form CuS4 tetrahedra that share corners with four equivalent AsS4 tetrahedra and corners with eight equivalent CuS4 tetrahedra. There are two shorter (2.30 Å) and two longer (2.32 Å) Cu–S bond lengths. In the second Cu1+ site, Cu1+ is bonded to four S2- atoms to form CuS4 tetrahedra that share corners with four equivalent AsS4 tetrahedra and corners with eight CuS4 tetrahedra. There are a spread of Cu–S bond distances ranging from 2.28–2.30 Å. As5+ is bonded to four S2- atoms to form AsS4 tetrahedra that share corners with twelve CuS4 tetrahedra. There are a spread of As–S bond distances ranging from 2.27–2.29 Å. There are three inequivalent S2- sites. In the first S2- site, S2- is bonded to three Cu1+ and one As5+ atom to form corner-sharing SCu3As tetrahedra. In the second S2- site, S2- is bonded to three Cu1+ and one As5+ atom to form corner-sharing SCu3As tetrahedra. In the third S2- site, S2- is bonded to three Cu1+ and one As5+ atom to form corner-sharing SCu3As tetrahedra.
- 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:
- 1206582
- Report Number(s):
- mp-3345
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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