Materials Data on Ca(CoO2)4 by Materials Project
Ca(CoO2)4 crystallizes in the monoclinic Cm space group. The structure is three-dimensional. Ca2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ca–O bond distances ranging from 2.52–2.81 Å. There are four inequivalent Co+3.50+ sites. In the first Co+3.50+ site, Co+3.50+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing CoO6 octahedra. The corner-sharing octahedra tilt angles range from 53–57°. There are a spread of Co–O bond distances ranging from 1.85–1.94 Å. In the second Co+3.50+ site, Co+3.50+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing CoO6 octahedra. The corner-sharing octahedra tilt angles range from 53–57°. There are a spread of Co–O bond distances ranging from 1.77–1.96 Å. In the third Co+3.50+ site, Co+3.50+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing CoO6 octahedra. The corner-sharing octahedra tilt angles range from 53–57°. There are a spread of Co–O bond distances ranging from 1.77–1.94 Å. In the fourth Co+3.50+ site, Co+3.50+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing CoO6 octahedra. The corner-sharing octahedra tilt angles range from 53–57°. There are a spread of Co–O bond distances ranging from 1.86–1.96 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a trigonal planar geometry to three Co+3.50+ atoms. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one Ca2+ and three Co+3.50+ atoms. In the third O2- site, O2- is bonded in a 3-coordinate geometry to one Ca2+ and three Co+3.50+ atoms. In the fourth O2- site, O2- is bonded in a trigonal planar geometry to three Co+3.50+ atoms. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Ca2+ and three Co+3.50+ atoms. In the sixth O2- site, O2- is bonded in a 5-coordinate geometry to two equivalent Ca2+ and three Co+3.50+ atoms. In the seventh O2- site, O2- is bonded in a 5-coordinate geometry to two equivalent Ca2+ and three Co+3.50+ atoms. In the eighth O2- site, O2- is bonded in a 5-coordinate geometry to two equivalent Ca2+ and three Co+3.50+ atoms.
- 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:
- 1318474
- Report Number(s):
- mvc-12181
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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