Materials Data on Ca3(CoO3)2 by Materials Project
Ca3Co2O6 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Ca2+ is bonded in a 8-coordinate geometry to eight equivalent O2- atoms. There are a spread of Ca–O bond distances ranging from 2.35–2.55 Å. There are two inequivalent Co3+ sites. In the first Co3+ site, Co3+ is bonded to six equivalent O2- atoms to form face-sharing CoO6 octahedra. All Co–O bond lengths are 1.93 Å. In the second Co3+ site, Co3+ is bonded to six equivalent O2- atoms to form distorted face-sharing CoO6 pentagonal pyramids. All Co–O bond lengths are 2.06 Å. O2- is bonded to four equivalent Ca2+ and two Co3+ atoms to form a mixture of distorted edge, face, and corner-sharing OCa4Co2 octahedra. The corner-sharing octahedra tilt angles range from 0–66°.
- 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:
- 1193493
- Report Number(s):
- mp-18792
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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