Materials Data on CsFeS2 by Materials Project
CsFeS2 crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. Cs1+ is bonded in a 8-coordinate geometry to eight S2- atoms. There are a spread of Cs–S bond distances ranging from 3.51–3.87 Å. Fe3+ is bonded to four S2- atoms to form edge-sharing FeS4 tetrahedra. There are two shorter (2.18 Å) and two longer (2.19 Å) Fe–S bond lengths. There are two inequivalent S2- sites. In the first S2- site, S2- is bonded in a 2-coordinate geometry to four equivalent Cs1+ and two equivalent Fe3+ atoms. In the second S2- site, S2- is bonded to four equivalent Cs1+ and two equivalent Fe3+ atoms to form a mixture of distorted corner and edge-sharing SCs4Fe2 octahedra. The corner-sharing octahedra tilt angles range from 12–79°.
- 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:
- 1262658
- Report Number(s):
- mp-505632
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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