Materials Data on Li5Fe2Co5O12 by Materials Project
Li5Fe2Co5O12 is Caswellsilverite-derived structured and crystallizes in the monoclinic C2 space group. The structure is three-dimensional. there are three inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share a cornercorner with one LiO6 octahedra, corners with two FeO6 octahedra, corners with three CoO6 octahedra, edges with two FeO6 octahedra, edges with four LiO6 octahedra, and edges with six CoO6 octahedra. The corner-sharing octahedra tilt angles range from 3–7°. There are a spread of Li–O bond distances ranging from 1.99–2.27 Å. In the second Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share a cornercorner with one LiO6 octahedra, corners with two FeO6 octahedra, corners with three CoO6 octahedra, edges with two FeO6 octahedra, edges with four LiO6 octahedra, and edges with six CoO6 octahedra. The corner-sharing octahedra tilt angles range from 2–11°. There are a spread of Li–O bond distances ranging from 2.04–2.29 Å. In the third Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share corners with two equivalent CoO6 octahedra, corners with four LiO6 octahedra, edges with three equivalent FeO6 octahedra, edges with four LiO6 octahedra, and edges with five CoO6 octahedra. The corner-sharing octahedra tilt angles range from 4–5°. There are a spread of Li–O bond distances ranging from 2.06–2.16 Å. There are two inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with two equivalent CoO6 octahedra, corners with four LiO6 octahedra, edges with four LiO6 octahedra, and edges with eight CoO6 octahedra. The corner-sharing octahedra tilt angles range from 5–7°. There are a spread of Fe–O bond distances ranging from 1.96–2.11 Å. In the second Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with two equivalent CoO6 octahedra, corners with four LiO6 octahedra, edges with five CoO6 octahedra, and edges with seven LiO6 octahedra. The corner-sharing octahedra tilt angles range from 4–9°. There are a spread of Fe–O bond distances ranging from 2.01–2.05 Å. There are four inequivalent Co+2.60+ sites. In the first Co+2.60+ site, Co+2.60+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with two equivalent CoO6 octahedra, corners with four LiO6 octahedra, edges with three equivalent FeO6 octahedra, edges with four LiO6 octahedra, and edges with five CoO6 octahedra. The corner-sharing octahedra tilt angles range from 5–11°. There are a spread of Co–O bond distances ranging from 2.03–2.14 Å. In the second Co+2.60+ site, Co+2.60+ is bonded to six O2- atoms to form CoO6 octahedra that share a cornercorner with one LiO6 octahedra, corners with two FeO6 octahedra, corners with three CoO6 octahedra, edges with two FeO6 octahedra, edges with three CoO6 octahedra, and edges with seven LiO6 octahedra. The corner-sharing octahedra tilt angles range from 4–11°. There are a spread of Co–O bond distances ranging from 2.01–2.21 Å. In the third Co+2.60+ site, Co+2.60+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with two equivalent CoO6 octahedra, corners with four LiO6 octahedra, edges with three equivalent FeO6 octahedra, edges with four LiO6 octahedra, and edges with five CoO6 octahedra. The corner-sharing octahedra tilt angles range from 2–9°. There are a spread of Co–O bond distances ranging from 1.94–2.07 Å. In the fourth Co+2.60+ site, Co+2.60+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with two equivalent CoO6 octahedra, corners with four LiO6 octahedra, edges with two equivalent CoO6 octahedra, edges with three equivalent FeO6 octahedra, and edges with seven LiO6 octahedra. The corner-sharing octahedra tilt angles range from 3–7°. There are a spread of Co–O bond distances ranging from 1.95–1.99 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded to three Li1+, one Fe3+, and two Co+2.60+ atoms to form a mixture of corner and edge-sharing OLi3FeCo2 octahedra. The corner-sharing octahedra tilt angles range from 2–7°. In the second O2- site, O2- is bonded to two Li1+, one Fe3+, and three Co+2.60+ atoms to form a mixture of corner and edge-sharing OLi2FeCo3 octahedra. The corner-sharing octahedra tilt angles range from 2–6°. In the third O2- site, O2- is bonded to three Li1+, one Fe3+, and two Co+2.60+ atoms to form a mixture of corner and edge-sharing OLi3FeCo2 octahedra. The corner-sharing octahedra tilt angles range from 1–5°. In the fourth O2- site, O2- is bonded to two Li1+, one Fe3+, and three Co+2.60+ atoms to form a mixture of corner and edge-sharing OLi2FeCo3 octahedra. The corner-sharing octahedra tilt angles range from 3–6°. In the fifth O2- site, O2- is bonded to three Li1+, one Fe3+, and two Co+2.60+ atoms to form a mixture of corner and edge-sharing OLi3FeCo2 octahedra. The corner-sharing octahedra tilt angles range from 3–11°. In the sixth O2- site, O2- is bonded to two Li1+, one Fe3+, and three Co+2.60+ atoms to form a mixture of corner and edge-sharing OLi2FeCo3 octahedra. The corner-sharing octahedra tilt angles range from 1–11°.
- 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:
- 1296571
- Report Number(s):
- mp-766146
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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