Materials Data on Li2Cu4S3 by Materials Project
Li2Cu4S3 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are two inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded to six S2- atoms to form a mixture of distorted corner, edge, and face-sharing LiS6 octahedra. The corner-sharing octahedra tilt angles range from 39–53°. There are a spread of Li–S bond distances ranging from 2.46–3.04 Å. In the second Li1+ site, Li1+ is bonded to six S2- atoms to form a mixture of distorted corner, edge, and face-sharing LiS6 octahedra. The corner-sharing octahedra tilt angles range from 39–53°. There are a spread of Li–S bond distances ranging from 2.62–2.99 Å. There are four inequivalent Cu1+ sites. In the first Cu1+ site, Cu1+ is bonded in a distorted trigonal non-coplanar geometry to three S2- atoms. There are one shorter (2.26 Å) and two longer (2.42 Å) Cu–S bond lengths. In the second Cu1+ site, Cu1+ is bonded in a distorted trigonal planar geometry to three S2- atoms. There are one shorter (2.29 Å) and two longer (2.40 Å) Cu–S bond lengths. In the third Cu1+ site, Cu1+ is bonded in a trigonal planar geometry to three S2- atoms. There are one shorter (2.29 Å) and two longer (2.32 Å) Cu–S bond lengths. In the fourth Cu1+ site, Cu1+ is bonded in a trigonal planar geometry to three S2- atoms. There are two shorter (2.25 Å) and one longer (2.32 Å) Cu–S bond lengths. There are three inequivalent S2- sites. In the first S2- site, S2- is bonded in a 9-coordinate geometry to three Li1+ and six Cu1+ atoms. In the second S2- site, S2- is bonded in a 8-coordinate geometry to five Li1+ and three Cu1+ atoms. In the third S2- site, S2- is bonded in a 7-coordinate geometry to four Li1+ and three Cu1+ 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:
- 1737333
- Report Number(s):
- mp-1178005
- Country of Publication:
- United States
- Language:
- English
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