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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Li(FeO2)2 by Materials Project

Li(FeO2)2 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. Li is bonded to six O atoms to form LiO6 octahedra that share corners with six equivalent FeO6 octahedra, edges with two equivalent LiO6 octahedra, and edges with six FeO6 octahedra. The corner-sharing octahedra tilt angles range from 9–12°. There are a spread of Li–O bond distances ranging from 2.13–2.31 Å. There are two inequivalent Fe sites. In the first Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share edges with four equivalent LiO6 octahedra and edges with six FeO6 octahedra. There are a spread of Fe–O bond distances ranging from 1.89–2.11 Å. In the second Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with six equivalent LiO6 octahedra, edges with two equivalent LiO6 octahedra, and edges with six FeO6 octahedra. The corner-sharing octahedra tilt angles range from 9–12°. There are a spread of Fe–O bond distances ranging from 2.04–2.08 Å. There are two inequivalent O sites. In the first O site, O is bonded to two equivalent Li and three Fe atoms to form a mixture of corner and edge-sharing OLi2Fe3 square pyramids. In the second O site, O is bonded in a rectangular see-saw-like geometry to one Li and three Fe atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Li(FeO2)2 by Materials Project

Li(FeO2)2 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are two inequivalent Li sites. In the first Li site, Li is bonded in a 6-coordinate geometry to six O atoms. There are a spread of Li–O bond distances ranging from 2.01–2.48 Å. In the second Li site, Li is bonded to six O atoms to form distorted LiO6 octahedra that share corners with twelve FeO6 octahedra and faces with two FeO6 octahedra. The corner-sharing octahedra tilt angles range from 38–63°. There are a spread of Li–O bond distances ranging from 2.05–2.44 Å. There are four inequivalent Fe sites. In the first Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with four equivalent LiO6 octahedra and edges with six FeO6 octahedra. The corner-sharing octahedra tilt angles range from 42–63°. There are a spread of Fe–O bond distances ranging from 1.93–2.14 Å. In the second Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with four equivalent LiO6 octahedra and edges with six FeO6 octahedra. The corner-sharing octahedra tilt angles range from 38–54°. There are a spread of Fe–O bond distances ranging from 1.91–1.96 Å. In the third Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with two equivalent LiO6 octahedra, edges with six FeO6 octahedra, and a faceface with one LiO6 octahedra. The corner-sharing octahedra tilt angles range from 51–52°. There are a spread of Fe–O bond distances ranging from 1.91–1.96 Å. In the fourth Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with two equivalent LiO6 octahedra, edges with six FeO6 octahedra, and a faceface with one LiO6 octahedra. The corner-sharing octahedra tilt angles range from 53–54°. There are a spread of Fe–O bond distances ranging from 1.94–2.14 Å. There are eight inequivalent O sites. In the first O site, O is bonded to two Li and three Fe atoms to form distorted OLi2Fe3 trigonal bipyramids that share corners with five OLiFe3 trigonal pyramids, edges with two equivalent OLi2Fe3 trigonal bipyramids, and edges with four OLiFe3 trigonal pyramids. In the second O site, O is bonded to one Li and three Fe atoms to form OLiFe3 trigonal pyramids that share corners with two OLi2Fe3 trigonal bipyramids, corners with five OLiFe3 trigonal pyramids, edges with two OLi2Fe3 trigonal bipyramids, and an edgeedge with one OLiFe3 trigonal pyramid. In the third O site, O is bonded to two Li and three Fe atoms to form distorted OLi2Fe3 trigonal bipyramids that share corners with five OLiFe3 trigonal pyramids, edges with two equivalent OLi2Fe3 trigonal bipyramids, and edges with four OLiFe3 trigonal pyramids. In the fourth O site, O is bonded to one Li and three Fe atoms to form OLiFe3 trigonal pyramids that share corners with two OLi2Fe3 trigonal bipyramids, corners with five OLiFe3 trigonal pyramids, edges with two OLi2Fe3 trigonal bipyramids, and an edgeedge with one OLiFe3 trigonal pyramid. In the fifth O site, O is bonded in a 5-coordinate geometry to two Li and three Fe atoms. In the sixth O site, O is bonded to one Li and three Fe atoms to form OLiFe3 trigonal pyramids that share corners with three OLi2Fe3 trigonal bipyramids, corners with five OLiFe3 trigonal pyramids, edges with two OLi2Fe3 trigonal bipyramids, and an edgeedge with one OLiFe3 trigonal pyramid. In the seventh O site, O is bonded to one Li and three Fe atoms to form OLiFe3 trigonal pyramids that share corners with three OLi2Fe3 trigonal bipyramids, corners with five OLiFe3 trigonal pyramids, edges with two OLi2Fe3 trigonal bipyramids, and an edgeedge with one OLiFe3 trigonal pyramid. In the eighth O site, O is bonded in a 5-coordinate geometry to two Li and three Fe atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Li(FeO2)2 by Materials Project

Li(FeO2)2 is Spinel-like structured and crystallizes in the monoclinic Cc space group. The structure is three-dimensional. there are two inequivalent Li sites. In the first Li site, Li is bonded to four O atoms to form LiO4 tetrahedra that share corners with twelve FeO6 octahedra. The corner-sharing octahedra tilt angles range from 55–65°. There are a spread of Li–O bond distances ranging from 1.95–1.97 Å. In the second Li site, Li is bonded to four O atoms to form distorted LiO4 tetrahedra that share corners with six FeO6 octahedra and edges with three FeO6 octahedra. The corner-sharing octahedra tilt angles range from 60–65°. There are a spread of Li–O bond distances ranging from 1.77–1.96 Å. There are four inequivalent Fe sites. In the first Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with two equivalent FeO6 octahedra, corners with four LiO4 tetrahedra, edges with five FeO6 octahedra, and an edgeedge with one LiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 49–50°. There are a spread of Fe–O bond distances ranging from 1.91–1.98 Å. In the second Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with six FeO6 octahedra, corners with six LiO4 tetrahedra, and edges with three FeO6 octahedra. The corner-sharing octahedra tilt angles range from 49–52°. There are a spread of Fe–O bond distances ranging from 1.99–2.05 Å. In the third Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with two equivalent FeO6 octahedra, corners with four LiO4 tetrahedra, edges with five FeO6 octahedra, and an edgeedge with one LiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 51–52°. There are a spread of Fe–O bond distances ranging from 1.94–2.06 Å. In the fourth Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with two equivalent FeO6 octahedra, corners with four LiO4 tetrahedra, edges with five FeO6 octahedra, and an edgeedge with one LiO4 tetrahedra. The corner-sharing octahedral tilt angles are 52°. There are a spread of Fe–O bond distances ranging from 1.96–2.06 Å. There are eight inequivalent O sites. In the first O site, O is bonded in a distorted rectangular see-saw-like geometry to one Li and three Fe atoms. In the second O site, O is bonded in a rectangular see-saw-like geometry to one Li and three Fe atoms. In the third O site, O is bonded in a distorted rectangular see-saw-like geometry to one Li and three Fe atoms. In the fourth O site, O is bonded in a rectangular see-saw-like geometry to one Li and three Fe atoms. In the fifth O site, O is bonded to one Li and three Fe atoms to form distorted corner-sharing OLiFe3 tetrahedra. In the sixth O site, O is bonded in a rectangular see-saw-like geometry to one Li and three Fe atoms. In the seventh O site, O is bonded in a distorted rectangular see-saw-like geometry to one Li and three Fe atoms. In the eighth O site, O is bonded to one Li and three Fe atoms to form distorted corner-sharing OLiFe3 tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Li(FeO2)2 by Materials Project

Li(FeO2)2 is Spinel-like structured and crystallizes in the monoclinic Cc space group. The structure is three-dimensional. there are two inequivalent Li sites. In the first Li site, Li is bonded to four O atoms to form LiO4 tetrahedra that share corners with twelve FeO6 octahedra. The corner-sharing octahedra tilt angles range from 57–64°. There are a spread of Li–O bond distances ranging from 1.94–2.03 Å. In the second Li site, Li is bonded to four O atoms to form distorted LiO4 trigonal pyramids that share corners with six FeO6 octahedra and edges with three FeO6 octahedra. The corner-sharing octahedra tilt angles range from 60–65°. There are a spread of Li–O bond distances ranging from 1.78–1.95 Å. There are four inequivalent Fe sites. In the first Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with two equivalent FeO6 octahedra, corners with three equivalent LiO4 tetrahedra, a cornercorner with one LiO4 trigonal pyramid, edges with five FeO6 octahedra, and an edgeedge with one LiO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 50–52°. There are a spread of Fe–O bond distances ranging from 1.92–1.99 Å. In the second Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with six FeO6 octahedra, corners with three equivalent LiO4 tetrahedra, corners with three equivalent LiO4 trigonal pyramids, and edges with three FeO6 octahedra. The corner-sharing octahedra tilt angles range from 49–55°. There are a spread of Fe–O bond distances ranging from 2.02–2.11 Å. In the third Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with two equivalent FeO6 octahedra, corners with three equivalent LiO4 tetrahedra, a cornercorner with one LiO4 trigonal pyramid, edges with five FeO6 octahedra, and an edgeedge with one LiO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 49–52°. There are a spread of Fe–O bond distances ranging from 1.92–1.98 Å. In the fourth Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with two equivalent FeO6 octahedra, corners with three equivalent LiO4 tetrahedra, a cornercorner with one LiO4 trigonal pyramid, edges with five FeO6 octahedra, and an edgeedge with one LiO4 trigonal pyramid. The corner-sharing octahedral tilt angles are 55°. There are a spread of Fe–O bond distances ranging from 1.99–2.06 Å. There are eight inequivalent O sites. In the first O site, O is bonded in a rectangular see-saw-like geometry to one Li and three Fe atoms. In the second O site, O is bonded in a rectangular see-saw-like geometry to one Li and three Fe atoms. In the third O site, O is bonded to one Li and three Fe atoms to form a mixture of distorted edge and corner-sharing OLiFe3 tetrahedra. In the fourth O site, O is bonded in a rectangular see-saw-like geometry to one Li and three Fe atoms. In the fifth O site, O is bonded to one Li and three Fe atoms to form distorted corner-sharing OLiFe3 tetrahedra. In the sixth O site, O is bonded in a rectangular see-saw-like geometry to one Li and three Fe atoms. In the seventh O site, O is bonded to one Li and three Fe atoms to form a mixture of distorted edge and corner-sharing OLiFe3 tetrahedra. In the eighth O site, O is bonded to one Li and three Fe atoms to form a mixture of distorted edge and corner-sharing OLiFe3 tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Li(FeO2)2 by Materials Project

Computed materials data using density functional theory calculations. These calculations determine the electronic structure of bulk materials by solving approximations to the Schrodinger equation. For more information, see https://materialsproject.org/docs/calculations

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Li(FeO2)2 by Materials Project

Computed materials data using density functional theory calculations. These calculations determine the electronic structure of bulk materials by solving approximations to the Schrodinger equation. For more information, see https://materialsproject.org/docs/calculations

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Li(FeO2)2 by Materials Project

Computed materials data using density functional theory calculations. These calculations determine the electronic structure of bulk materials by solving approximations to the Schrodinger equation. For more information, see https://materialsproject.org/docs/calculations

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Li(FeO2)2 by Materials Project

Computed materials data using density functional theory calculations. These calculations determine the electronic structure of bulk materials by solving approximations to the Schrodinger equation. For more information, see https://materialsproject.org/docs/calculations

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Li2(FeO2)3 by Materials Project

Li2(FeO2)3 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are four inequivalent Li sites. In the first Li site, Li is bonded to six O atoms to form distorted LiO6 octahedra that share corners with nine FeO6 octahedra, edges with three equivalent LiO6 octahedra, edges with three FeO6 octahedra, and a faceface with one FeO6 octahedra. The corner-sharing octahedra tilt angles range from 8–55°. There are a spread of Li–O bond distances ranging from 2.08–2.40 Å. In the second Li site, Li is bonded to six O atoms to form distorted LiO6 octahedra that share corners with nine FeO6 octahedra, edges with three equivalent LiO6 octahedra, edges with three FeO6 octahedra, and a faceface with one FeO6 octahedra. The corner-sharing octahedra tilt angles range from 4–55°. There are a spread of Li–O bond distances ranging from 2.09–2.37 Å. In the third Li site, Li is bonded to six O atoms to form distorted LiO6 octahedra that share corners with nine FeO6 octahedra, edges with three equivalent LiO6 octahedra, edges with three FeO6 octahedra, and a faceface with one FeO6 octahedra. The corner-sharing octahedra tilt angles range from 2–53°. There are a spread of Li–O bond distances ranging from 2.10–2.31 Å. In the fourth Li site, Li is bonded to six O atoms to form LiO6 octahedra that share corners with nine FeO6 octahedra, edges with three equivalent LiO6 octahedra, edges with three FeO6 octahedra, and a faceface with one FeO6 octahedra. The corner-sharing octahedra tilt angles range from 3–53°. There are a spread of Li–O bond distances ranging from 2.11–2.28 Å. There are six inequivalent Fe sites. In the first Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with eight LiO6 octahedra, edges with two LiO6 octahedra, and edges with six FeO6 octahedra. The corner-sharing octahedra tilt angles range from 3–55°. There are a spread of Fe–O bond distances ranging from 2.00–2.18 Å. In the second Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with five LiO6 octahedra, edges with two LiO6 octahedra, edges with six FeO6 octahedra, and a faceface with one LiO6 octahedra. The corner-sharing octahedra tilt angles range from 11–46°. There are a spread of Fe–O bond distances ranging from 1.99–2.05 Å. In the third Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with five LiO6 octahedra, edges with two LiO6 octahedra, edges with six FeO6 octahedra, and a faceface with one LiO6 octahedra. The corner-sharing octahedra tilt angles range from 12–44°. There are a spread of Fe–O bond distances ranging from 1.96–2.08 Å. In the fourth Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with eight LiO6 octahedra, edges with two LiO6 octahedra, and edges with six FeO6 octahedra. The corner-sharing octahedra tilt angles range from 2–55°. There are a spread of Fe–O bond distances ranging from 2.00–2.19 Å. In the fifth Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with five LiO6 octahedra, edges with two LiO6 octahedra, edges with six FeO6 octahedra, and a faceface with one LiO6 octahedra. The corner-sharing octahedra tilt angles range from 9–45°. There are a spread of Fe–O bond distances ranging from 1.90–2.08 Å. In the sixth Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with five LiO6 octahedra, edges with two LiO6 octahedra, edges with six FeO6 octahedra, and a faceface with one LiO6 octahedra. The corner-sharing octahedra tilt angles range from 9–46°. There are a spread of Fe–O bond distances ranging from 1.91–2.07 Å. There are twelve inequivalent O sites. In the first O site, O is bonded to two Li and three Fe atoms to form a mixture of edge and corner-sharing OLi2Fe3 square pyramids. In the second O site, O is bonded to two Li and three Fe atoms to form a mixture of edge and corner-sharing OLi2Fe3 square pyramids. In the third O site, O is bonded to two Li and three Fe atoms to form a mixture of distorted edge and corner-sharing OLi2Fe3 trigonal bipyramids. In the fourth O site, O is bonded to two Li and three Fe atoms to form a mixture of distorted edge and corner-sharing OLi2Fe3 trigonal bipyramids. In the fifth O site, O is bonded to two Li and three Fe atoms to form a mixture of edge and corner-sharing OLi2Fe3 square pyramids. In the sixth O site, O is bonded to two Li and three Fe atoms to form a mixture of edge and corner-sharing OLi2Fe3 square pyramids. In the seventh O site, O is bonded in a 5-coordinate geometry to two Li and three Fe atoms. In the eighth O site, O is bonded to two Li and three Fe atoms to form a mixture of distorted edge and corner-sharing OLi2Fe3 trigonal bipyramids. In the ninth O site, O is bonded to two Li and three Fe atoms to form a mixture of edge and corner-sharing OLi2Fe3 square pyramids. In the tenth O site, O is bonded to two Li and three Fe atoms to form a mixture of edge and corner-sharing OLi2Fe3 square pyramids. In the eleventh O site, O is bonded to two Li and three Fe atoms to form a mixture of distorted edge and corner-sharing OLi2Fe3 trigonal bipyramids. In the twelfth O site, O is bonded to two Li and three Fe atoms to form a mixture of distorted edge and corner-sharing OLi2Fe3 trigonal bipyramids.

36 MATERIALS SCIENCE↗