Materials Data on Cr2Se3 by Materials Project
Cr2Se3 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are four inequivalent Cr3+ sites. In the first Cr3+ site, Cr3+ is bonded to six Se2- atoms to form a mixture of corner, edge, and face-sharing CrSe6 octahedra. The corner-sharing octahedra tilt angles range from 49–52°. There are a spread of Cr–Se bond distances ranging from 2.46–2.65 Å. In the second Cr3+ site, Cr3+ is bonded to six Se2- atoms to form a mixture of corner, edge, and face-sharing CrSe6 octahedra. The corner-sharing octahedra tilt angles range from 48–53°. There are a spread of Cr–Se bond distances ranging from 2.46–2.64 Å. In the third Cr3+ site, Cr3+ is bonded to six Se2- atoms to form a mixture of corner and edge-sharing CrSe6 octahedra. The corner-sharing octahedra tilt angles range from 47–51°. There are a spread of Cr–Se bond distances ranging from 2.47–2.61 Å. In the fourth Cr3+ site, Cr3+ is bonded to six Se2- atoms to form a mixture of corner, edge, and face-sharing CrSe6 octahedra. The corner-sharing octahedra tilt angles range from 47–53°. There are a spread of Cr–Se bond distances ranging from 2.54–2.63 Å. There are six inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a rectangular see-saw-like geometry to four Cr3+ atoms. In the second Se2- site, Se2- is bonded in a rectangular see-saw-like geometry to four Cr3+ atoms. In the third Se2- site, Se2- is bonded in a distorted T-shaped geometry to three Cr3+ atoms. In the fourth Se2- site, Se2- is bonded in a distorted rectangular see-saw-like geometry to four Cr3+ atoms. In the fifth Se2- site, Se2- is bonded in a distorted rectangular see-saw-like geometry to four Cr3+ atoms. In the sixth Se2- site, Se2- is bonded to five Cr3+ atoms to form distorted edge-sharing SeCr5 square pyramids.
- 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:
- 1758095
- Report Number(s):
- mp-1226456
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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