DOI: 10.17188/1307843
title: Materials Data on Li4Fe3Co3(SnO8)2 by Materials Project

description: Li4Fe3Co3(SnO8)2 is Spinel-derived structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are four inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with three equivalent SnO6 octahedra, corners with four CoO6 octahedra, and corners with five FeO6 octahedra. The corner-sharing octahedra tilt angles range from 57–61°. There are a spread of Li–O bond distances ranging from 1.94–2.09 Å. In the second Li1+ site, Li1+ is bonded to four O2- atoms to form distorted LiO4 trigonal pyramids that share a cornercorner with one CoO6 octahedra, corners with two FeO6 octahedra, corners with three equivalent SnO6 octahedra, an edgeedge with one FeO6 octahedra, and edges with two CoO6 octahedra. The corner-sharing octahedra tilt angles range from 61–66°. There are a spread of Li–O bond distances ranging from 1.83–1.97 Å. In the third Li1+ site, Li1+ is bonded to four O2- atoms to form distorted LiO4 trigonal pyramids that share a cornercorner with one FeO6 octahedra, corners with two CoO6 octahedra, corners with three equivalent SnO6 octahedra, an edgeedge with one CoO6 octahedra, and edges with two FeO6 octahedra. The corner-sharing octahedra tilt angles range from 62–64°. There are a spread of Li–O bond distances ranging from 1.83–1.97 Å. In the fourth Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with three equivalent SnO6 octahedra, corners with four FeO6 octahedra, and corners with five CoO6 octahedra. The corner-sharing octahedra tilt angles range from 56–61°. There are a spread of Li–O bond distances ranging from 1.97–2.09 Å. There are three 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 SnO6 octahedra, corners with three LiO4 tetrahedra, a cornercorner with one LiO4 trigonal pyramid, an edgeedge with one SnO6 octahedra, edges with four CoO6 octahedra, and an edgeedge with one LiO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 52–53°. There are a spread of Fe–O bond distances ranging from 1.99–2.06 Å. In the second Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with two equivalent SnO6 octahedra, corners with three LiO4 tetrahedra, a cornercorner with one LiO4 trigonal pyramid, an edgeedge with one SnO6 octahedra, edges with two equivalent FeO6 octahedra, edges with two equivalent CoO6 octahedra, and an edgeedge with one LiO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 52–53°. There are a spread of Fe–O bond distances ranging from 1.99–2.07 Å. In the third Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with two equivalent SnO6 octahedra, corners with three LiO4 tetrahedra, a cornercorner with one LiO4 trigonal pyramid, an edgeedge with one SnO6 octahedra, edges with two equivalent FeO6 octahedra, edges with two equivalent CoO6 octahedra, and an edgeedge with one LiO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 52–53°. There are a spread of Fe–O bond distances ranging from 1.99–2.06 Å. There are three inequivalent Co+3.67+ sites. In the first Co+3.67+ site, Co+3.67+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with two equivalent SnO6 octahedra, corners with three LiO4 tetrahedra, a cornercorner with one LiO4 trigonal pyramid, an edgeedge with one SnO6 octahedra, edges with two equivalent FeO6 octahedra, edges with two equivalent CoO6 octahedra, and an edgeedge with one LiO4 trigonal pyramid. The corner-sharing octahedral tilt angles are 52°. There are a spread of Co–O bond distances ranging from 1.95–2.03 Å. In the second Co+3.67+ site, Co+3.67+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with two equivalent SnO6 octahedra, corners with three LiO4 tetrahedra, a cornercorner with one LiO4 trigonal pyramid, an edgeedge with one SnO6 octahedra, edges with two equivalent FeO6 octahedra, edges with two equivalent CoO6 octahedra, and an edgeedge with one LiO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 51–52°. There are a spread of Co–O bond distances ranging from 1.97–2.03 Å. In the third Co+3.67+ site, Co+3.67+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with two equivalent SnO6 octahedra, corners with three LiO4 tetrahedra, a cornercorner with one LiO4 trigonal pyramid, an edgeedge with one SnO6 octahedra, edges with four FeO6 octahedra, and an edgeedge with one LiO4 trigonal pyramid. The corner-sharing octahedral tilt angles are 51°. There are a spread of Co–O bond distances ranging from 1.94–2.04 Å. There are two inequivalent Sn4+ sites. In the first Sn4+ site, Sn4+ is bonded to six O2- atoms to form SnO6 octahedra that share corners with two equivalent CoO6 octahedra, corners with four FeO6 octahedra, corners with three equivalent LiO4 tetrahedra, corners with three equivalent LiO4 trigonal pyramids, an edgeedge with one FeO6 octahedra, and edges with two CoO6 octahedra. The corner-sharing octahedra tilt angles range from 51–53°. There are a spread of Sn–O bond distances ranging from 2.06–2.15 Å. In the second Sn4+ site, Sn4+ is bonded to six O2- atoms to form SnO6 octahedra that share corners with two equivalent FeO6 octahedra, corners with four CoO6 octahedra, corners with three equivalent LiO4 tetrahedra, corners with three equivalent LiO4 trigonal pyramids, an edgeedge with one CoO6 octahedra, and edges with two FeO6 octahedra. The corner-sharing octahedra tilt angles range from 51–53°. There are a spread of Sn–O bond distances ranging from 2.08–2.14 Å. There are sixteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Li1+, one Fe3+, one Co+3.67+, and one Sn4+ atom. In the second O2- site, O2- is bonded to one Li1+, two Co+3.67+, and one Sn4+ atom to form distorted OLiCo2Sn tetrahedra that share corners with four OLiFeCo2 tetrahedra, a cornercorner with one OLiFe2Co trigonal pyramid, and edges with two OLiFeCoSn tetrahedra. In the third O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Li1+, one Fe3+, and two Co+3.67+ atoms. In the fourth O2- site, O2- is bonded to one Li1+, one Fe3+, and two Co+3.67+ atoms to form distorted corner-sharing OLiFeCo2 tetrahedra. In the fifth O2- site, O2- is bonded to one Li1+, two Fe3+, and one Co+3.67+ atom to form distorted OLiFe2Co tetrahedra that share corners with two equivalent OLiFe2Sn tetrahedra and corners with seven OLiFeCoSn trigonal pyramids. In the sixth O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Li1+, one Fe3+, one Co+3.67+, and one Sn4+ atom. In the seventh O2- site, O2- is bonded to one Li1+, one Fe3+, one Co+3.67+, and one Sn4+ atom to form distorted OLiFeCoSn tetrahedra that share corners with four OLiCo2Sn tetrahedra, a cornercorner with one OLiFe2Co trigonal pyramid, and edges with two OLiFeCoSn tetrahedra. In the eighth O2- site, O2- is bonded to one Li1+, one Fe3+, one Co+3.67+, and one Sn4+ atom to form distorted OLiFeCoSn tetrahedra that share corners with four OLiCo2Sn tetrahedra, a cornercorner with one OLiFe2Co trigonal pyramid, and edges with two OLiFeCoSn tetrahedra. In the ninth O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Li1+, two Co+3.67+, and one Sn4+ atom. In the tenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Li1+, two Fe3+, and one Sn4+ atom. In the eleventh O2- site, O2- is bonded to one Li1+, one Fe3+, one Co+3.67+, and one Sn4+ atom to form distorted OLiFeCoSn trigonal pyramids that share corners with three OLiFe2Co tetrahedra, a cornercorner with one OLiFeCoSn trigonal pyramid, an edgeedge with one OLiFe2Sn tetrahedra, and edges with two OLiFe2Co trigonal pyramids. In the twelfth O2- site, O2- is bonded to one Li1+, one Fe3+, one Co+3.67+, and one Sn4+ atom to form distorted OLiFeCoSn trigonal pyramids that share corners with three OLiFe2Co tetrahedra, a cornercorner with one OLiFeCoSn trigonal pyramid, an edgeedge with one OLiFe2Sn tetrahedra, and edges with two OLiFe2Co trigonal pyramids. In the thirteenth O2- site, O2- is bonded to one Li1+, two Fe3+, and one Co+3.67+ atom to form distorted OLiFe2Co trigonal pyramids that share corners with six OLiCo2Sn tetrahedra, an edgeedge with one OLiFe2Sn tetrahedra, and edges with two OLiFeCoSn trigonal pyramids. In the fourteenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Li1+, one Fe3+, one Co+3.67+, and one Sn4+ atom. In the fifteenth O2- site, O2- is bonded to one Li1+, two Fe3+, and one Sn4+ atom to form distorted OLiFe2Sn tetrahedra that share corners with two equivalent OLiFe2Co tetrahedra, corners with two OLiFeCoSn trigonal pyramids, and edges with three OLiFe2Co trigonal pyramids. In the sixteenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Li1+, one Fe3+, one Co+3.67+, and one Sn4+ atom.