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Title: Materials Data on Li2AlCoO4 by Materials Project

Dataset ·
DOI:https://doi.org/10.17188/1299870· OSTI ID:1299870

Li2CoAlO4 is Stannite-like structured and crystallizes in the orthorhombic Pna2_1 space group. The structure is three-dimensional. there are two inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with four equivalent LiO4 tetrahedra, corners with four equivalent CoO4 tetrahedra, and corners with four equivalent AlO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.97–2.02 Å. In the second Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with four equivalent LiO4 tetrahedra, corners with four equivalent CoO4 tetrahedra, and corners with four equivalent AlO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.99–2.02 Å. Co3+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with four equivalent AlO4 tetrahedra and corners with eight LiO4 tetrahedra. There is three shorter (1.88 Å) and one longer (1.89 Å) Co–O bond length. Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share corners with four equivalent CoO4 tetrahedra and corners with eight LiO4 tetrahedra. All Al–O bond lengths are 1.78 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded to two Li1+, one Co3+, and one Al3+ atom to form corner-sharing OLi2AlCo tetrahedra. In the second O2- site, O2- is bonded to two Li1+, one Co3+, and one Al3+ atom to form corner-sharing OLi2AlCo tetrahedra. In the third O2- site, O2- is bonded to two Li1+, one Co3+, and one Al3+ atom to form corner-sharing OLi2AlCo tetrahedra. In the fourth O2- site, O2- is bonded to two Li1+, one Co3+, and one Al3+ atom to form corner-sharing OLi2AlCo tetrahedra.

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:
1299870
Report Number(s):
mp-770553
Resource Relation:
Related Information: https://materialsproject.org/citing
Country of Publication:
United States
Language:
English

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