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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Li2MnSiO4 by Materials Project

Li2MnSiO4 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 MnO4 tetrahedra, and corners with four equivalent SiO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.95–2.05 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 MnO4 tetrahedra, and corners with four equivalent SiO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.95–2.09 Å. Mn2+ is bonded to four O2- atoms to form MnO4 tetrahedra that share corners with four equivalent SiO4 tetrahedra and corners with eight LiO4 tetrahedra. There are a spread of Mn–O bond distances ranging from 2.06–2.10 Å. Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with four equivalent MnO4 tetrahedra and corners with eight LiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.65–1.67 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded to two Li1+, one Mn2+, and one Si4+ atom to form corner-sharing OLi2MnSi tetrahedra. In the second O2- site, O2- is bonded to two Li1+, one Mn2+, and one Si4+ atom to form corner-sharing OLi2MnSi tetrahedra. In the third O2- site, O2- is bonded to two Li1+, one Mn2+, and one Si4+ atom to form corner-sharing OLi2MnSi tetrahedra. In the fourth O2- site, O2- is bonded to two Li1+, one Mn2+, and one Si4+ atom to form distorted corner-sharing OLi2MnSi tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Li2MnSiO4 by Materials Project

Li2MnSiO4 crystallizes in the monoclinic P2_1/c 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 trigonal pyramids that share corners with two equivalent LiO4 tetrahedra, corners with four equivalent SiO4 tetrahedra, corners with two equivalent MnO5 trigonal bipyramids, corners with two equivalent LiO4 trigonal pyramids, an edgeedge with one LiO4 tetrahedra, and an edgeedge with one MnO5 trigonal bipyramid. There are a spread of Li–O bond distances ranging from 1.99–2.07 Å. In the second Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with four equivalent SiO4 tetrahedra, corners with five equivalent MnO5 trigonal bipyramids, corners with two equivalent LiO4 trigonal pyramids, and an edgeedge with one LiO4 trigonal pyramid. There are a spread of Li–O bond distances ranging from 1.97–2.11 Å. Mn2+ is bonded to five O2- atoms to form distorted MnO5 trigonal bipyramids that share a cornercorner with one SiO4 tetrahedra, corners with five equivalent LiO4 tetrahedra, corners with two equivalent MnO5 trigonal bipyramids, corners with two equivalent LiO4 trigonal pyramids, edges with two equivalent SiO4 tetrahedra, and an edgeedge with one LiO4 trigonal pyramid. There are a spread of Mn–O bond distances ranging from 2.04–2.44 Å. Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with four equivalent LiO4 tetrahedra, a cornercorner with one MnO5 trigonal bipyramid, corners with four equivalent LiO4 trigonal pyramids, and edges with two equivalent MnO5 trigonal bipyramids. There are a spread of Si–O bond distances ranging from 1.64–1.70 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded to three Li1+, one Mn2+, and one Si4+ atom to form distorted OLi3MnSi trigonal bipyramids that share corners with two equivalent OLi3MnSi trigonal bipyramids, corners with eight OLi2MnSi trigonal pyramids, and edges with three OLi2MnSi trigonal pyramids. In the second O2- site, O2- is bonded to two Li1+, one Mn2+, and one Si4+ atom to form distorted OLi2MnSi trigonal pyramids that share corners with five equivalent OLi3MnSi trigonal bipyramids, corners with six OLi2MnSi trigonal pyramids, and an edgeedge with one OLiMn2Si trigonal pyramid. In the third O2- site, O2- is bonded to two Li1+, one Mn2+, and one Si4+ atom to form distorted OLi2MnSi trigonal pyramids that share a cornercorner with one OLi3MnSi trigonal bipyramid, corners with eight OLi2MnSi trigonal pyramids, and edges with two equivalent OLi3MnSi trigonal bipyramids. In the fourth O2- site, O2- is bonded to one Li1+, two equivalent Mn2+, and one Si4+ atom to form distorted OLiMn2Si trigonal pyramids that share corners with two equivalent OLi3MnSi trigonal bipyramids, corners with eight OLi2MnSi trigonal pyramids, an edgeedge with one OLi3MnSi trigonal bipyramid, and an edgeedge with one OLi2MnSi trigonal pyramid.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Li2MnSiO4 by Materials Project

Li2MnSiO4 is beta beryllia-derived structured and crystallizes in the monoclinic P2_1/c 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 two equivalent LiO4 tetrahedra, corners with four equivalent MnO4 tetrahedra, corners with four equivalent SiO4 tetrahedra, and an edgeedge with one LiO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.97–2.06 Å. In the second Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with two equivalent LiO4 tetrahedra, corners with two equivalent MnO4 tetrahedra, corners with four equivalent SiO4 tetrahedra, an edgeedge with one LiO4 tetrahedra, and an edgeedge with one MnO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.96–2.13 Å. Mn2+ is bonded to four O2- atoms to form MnO4 tetrahedra that share corners with four equivalent SiO4 tetrahedra, corners with six LiO4 tetrahedra, and an edgeedge with one LiO4 tetrahedra. There are a spread of Mn–O bond distances ranging from 2.05–2.13 Å. Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with four equivalent MnO4 tetrahedra and corners with eight LiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.65–1.67 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded to two Li1+, one Mn2+, and one Si4+ atom to form a mixture of distorted edge and corner-sharing OLi2MnSi tetrahedra. In the second O2- site, O2- is bonded to two Li1+, one Mn2+, and one Si4+ atom to form a mixture of distorted edge and corner-sharing OLi2MnSi tetrahedra. In the third O2- site, O2- is bonded to two Li1+, one Mn2+, and one Si4+ atom to form a mixture of distorted edge and corner-sharing OLi2MnSi trigonal pyramids. In the fourth O2- site, O2- is bonded to two Li1+, one Mn2+, and one Si4+ atom to form corner-sharing OLi2MnSi tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Li2MnSiO4 by Materials Project

Li2MnSiO4 is Stannite-like structured and crystallizes in the monoclinic Pc 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 MnO4 tetrahedra, and corners with four equivalent SiO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.96–2.06 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 MnO4 tetrahedra, and corners with four equivalent SiO4 tetrahedra. There are a spread of Li–O bond distances ranging from 2.00–2.09 Å. Mn2+ is bonded to four O2- atoms to form MnO4 tetrahedra that share corners with four equivalent SiO4 tetrahedra and corners with eight LiO4 tetrahedra. There are a spread of Mn–O bond distances ranging from 2.06–2.10 Å. Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with four equivalent MnO4 tetrahedra and corners with eight LiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.65–1.67 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded to two Li1+, one Mn2+, and one Si4+ atom to form corner-sharing OLi2MnSi tetrahedra. In the second O2- site, O2- is bonded to two Li1+, one Mn2+, and one Si4+ atom to form corner-sharing OLi2MnSi tetrahedra. In the third O2- site, O2- is bonded to two Li1+, one Mn2+, and one Si4+ atom to form distorted corner-sharing OLi2MnSi tetrahedra. In the fourth O2- site, O2- is bonded to two Li1+, one Mn2+, and one Si4+ atom to form corner-sharing OLi2MnSi tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Li2MnSiO4 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 Li2MnSiO4 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↗