DOI: 10.17188/1300920
title: Materials Data on Li5Mn8Fe11O32 by Materials Project

description: Li5Mn8Fe11O32 is Spinel-derived structured and crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are five inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with six MnO6 octahedra and corners with six FeO6 octahedra. The corner-sharing octahedra tilt angles range from 55–61°. There are a spread of Li–O bond distances ranging from 2.00–2.12 Å. In the second Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with six MnO6 octahedra and corners with six FeO6 octahedra. The corner-sharing octahedra tilt angles range from 56–61°. There are a spread of Li–O bond distances ranging from 2.00–2.07 Å. In the third Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with six MnO6 octahedra and corners with six FeO6 octahedra. The corner-sharing octahedra tilt angles range from 56–62°. There are a spread of Li–O bond distances ranging from 1.95–2.09 Å. In the fourth Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with six MnO6 octahedra and corners with six FeO6 octahedra. The corner-sharing octahedra tilt angles range from 53–62°. There are a spread of Li–O bond distances ranging from 1.95–2.03 Å. In the fifth Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with six MnO6 octahedra and corners with six FeO6 octahedra. The corner-sharing octahedra tilt angles range from 57–61°. There are a spread of Li–O bond distances ranging from 1.96–2.07 Å. There are eight inequivalent Mn+3.25+ sites. In the first Mn+3.25+ site, Mn+3.25+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two FeO4 tetrahedra, corners with four LiO4 tetrahedra, edges with two MnO6 octahedra, and edges with four equivalent FeO6 octahedra. There are a spread of Mn–O bond distances ranging from 1.94–2.02 Å. In the second Mn+3.25+ site, Mn+3.25+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with three equivalent LiO4 tetrahedra, corners with three equivalent FeO4 tetrahedra, edges with two MnO6 octahedra, and edges with four FeO6 octahedra. There are a spread of Mn–O bond distances ranging from 1.90–2.16 Å. In the third Mn+3.25+ site, Mn+3.25+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two equivalent FeO4 tetrahedra, corners with four LiO4 tetrahedra, edges with two MnO6 octahedra, and edges with four equivalent FeO6 octahedra. There are a spread of Mn–O bond distances ranging from 1.94–1.97 Å. In the fourth Mn+3.25+ site, Mn+3.25+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with three equivalent LiO4 tetrahedra, corners with three equivalent FeO4 tetrahedra, edges with two MnO6 octahedra, and edges with four FeO6 octahedra. There are a spread of Mn–O bond distances ranging from 1.93–2.13 Å. In the fifth Mn+3.25+ site, Mn+3.25+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two equivalent FeO4 tetrahedra, corners with four LiO4 tetrahedra, edges with two MnO6 octahedra, and edges with four equivalent FeO6 octahedra. There are a spread of Mn–O bond distances ranging from 1.92–2.14 Å. In the sixth Mn+3.25+ site, Mn+3.25+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with six LiO4 tetrahedra, edges with two MnO6 octahedra, and edges with four FeO6 octahedra. There are a spread of Mn–O bond distances ranging from 1.93–1.99 Å. In the seventh Mn+3.25+ site, Mn+3.25+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with three equivalent LiO4 tetrahedra, corners with three equivalent FeO4 tetrahedra, edges with two MnO6 octahedra, and edges with four FeO6 octahedra. All Mn–O bond lengths are 1.96 Å. In the eighth Mn+3.25+ site, Mn+3.25+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with three LiO4 tetrahedra, corners with three FeO4 tetrahedra, edges with two MnO6 octahedra, and edges with four equivalent FeO6 octahedra. There are a spread of Mn–O bond distances ranging from 1.93–2.15 Å. There are seven inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with two FeO4 tetrahedra, corners with four LiO4 tetrahedra, edges with two equivalent FeO6 octahedra, and edges with four MnO6 octahedra. There are a spread of Fe–O bond distances ranging from 2.01–2.12 Å. In the second Fe3+ site, Fe3+ is bonded to four O2- atoms to form FeO4 tetrahedra that share corners with six MnO6 octahedra and corners with six FeO6 octahedra. The corner-sharing octahedra tilt angles range from 55–63°. There are a spread of Fe–O bond distances ranging from 2.00–2.06 Å. In the third Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with two equivalent FeO4 tetrahedra, corners with four LiO4 tetrahedra, edges with two equivalent FeO6 octahedra, and edges with four MnO6 octahedra. There are a spread of Fe–O bond distances ranging from 2.01–2.10 Å. In the fourth Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with two equivalent FeO4 tetrahedra, corners with four LiO4 tetrahedra, edges with two equivalent FeO6 octahedra, and edges with four MnO6 octahedra. There are a spread of Fe–O bond distances ranging from 2.02–2.07 Å. In the fifth Fe3+ site, Fe3+ is bonded to four O2- atoms to form FeO4 tetrahedra that share corners with six MnO6 octahedra and corners with six FeO6 octahedra. The corner-sharing octahedra tilt angles range from 54–62°. There are a spread of Fe–O bond distances ranging from 2.02–2.07 Å. In the sixth Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with three LiO4 tetrahedra, corners with three FeO4 tetrahedra, edges with two equivalent FeO6 octahedra, and edges with four MnO6 octahedra. There are a spread of Fe–O bond distances ranging from 1.99–2.14 Å. In the seventh Fe3+ site, Fe3+ is bonded to four O2- atoms to form FeO4 tetrahedra that share corners with six MnO6 octahedra and corners with six FeO6 octahedra. The corner-sharing octahedra tilt angles range from 56–60°. There are a spread of Fe–O bond distances ranging from 1.91–1.95 Å. There are twenty-four inequivalent O2- sites. In the first O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Li1+, two Mn+3.25+, and one Fe3+ atom. In the second O2- site, O2- is bonded to one Mn+3.25+ and three Fe3+ atoms to form a mixture of distorted edge and corner-sharing OMnFe3 tetrahedra. In the third O2- site, O2- is bonded to one Mn+3.25+ and three Fe3+ atoms to form distorted OMnFe3 trigonal pyramids that share corners with three OMnFe3 tetrahedra and an edgeedge with one OLiMnFe2 trigonal pyramid. In the fourth O2- site, O2- is bonded to one Li1+, one Mn+3.25+, and two equivalent Fe3+ atoms to form distorted OLiMnFe2 trigonal pyramids that share corners with two equivalent OLiMnFe2 tetrahedra, corners with two OLiMnFe2 trigonal pyramids, and an edgeedge with one OMnFe3 trigonal pyramid. In the fifth O2- site, O2- is bonded to one Li1+, one Mn+3.25+, and two equivalent Fe3+ atoms to form distorted OLiMnFe2 trigonal pyramids that share corners with six OMnFe3 tetrahedra and an edgeedge with one OLiMnFe2 trigonal pyramid. In the sixth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Mn+3.25+ and three Fe3+ atoms. In the seventh O2- site, O2- is bonded to one Li1+, one Mn+3.25+, and two equivalent Fe3+ atoms to form distorted corner-sharing OLiMnFe2 tetrahedra. In the eighth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Li1+, two Mn+3.25+, and one Fe3+ atom. In the ninth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Li1+, two Mn+3.25+, and one Fe3+ atom. In the tenth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Mn+3.25+ and two Fe3+ atoms. In the eleventh O2- site, O2- is bonded to one Li1+, one Mn+3.25+, and two equivalent Fe3+ atoms to form a mixture of distorted edge and corner-sharing OLiMnFe2 trigonal pyramids. In the twelfth O2- site, O2- is bonded to one Li1+, one Mn+3.25+, and two equivalent Fe3+ atoms to form distorted OLiMnFe2 tetrahedra that share corners with six OLiMnFe2 trigonal pyramids and an edgeedge with one OMnFe3 tetrahedra. In the thirteenth O2- site, O2- is bonded to one Li1+, one Mn+3.25+, and two equivalent Fe3+ atoms to form distorted OLiMnFe2 tetrahedra that share corners with six OLiMnFe2 trigonal pyramids and an edgeedge with one OMnFe3 trigonal pyramid. In the fourteenth O2- site, O2- is bonded to one Li1+, one Mn+3.25+, and two equivalent Fe3+ atoms to form a mixture of distorted edge and corner-sharing OLiMnFe2 trigonal pyramids. In the fifteenth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Mn+3.25+ and two Fe3+ atoms. In the sixteenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Li1+, two Mn+3.25+, and one Fe3+ atom. In the seventeenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Li1+, two Mn+3.25+, and one Fe3+ atom. In the eighteenth O2- site, O2- is bonded to one Li1+, one Mn+3.25+, and two equivalent Fe3+ atoms to form distorted OLiMnFe2 trigonal pyramids that share corners with two equivalent OMnFe3 tetrahedra, corners with four OLiMnFe2 trigonal pyramids, and an edgeedge with one OLiMnFe2 trigonal pyramid. In the nineteenth O2- site, O2- is bonded to one Li1+, one Mn+3.25+, and two equivalent Fe3+ atoms to form distorted OLiMnFe2 trigonal pyramids that share corners with three equivalent OMnFe3 tetrahedra, corners with three OMnFe3 trigonal pyramids, and an edgeedge with one OLiMnFe2 trigonal pyramid. In the twentieth O2- site, O2- is bonded to one Li1+, one Mn+3.25+, and two equivalent Fe3+ atoms to form a mixture of distorted edge and corner-sharing OLiMnFe2 trigonal pyramids. In the twenty-first O2- site, O2- is bonded to one Mn+3.25+ and three Fe3+ atoms to form distorted OMnFe3 tetrahedra that share corners with six OLiMnFe2 trigonal pyramids and an edgeedge with one OMnFe3 trigonal pyramid. In the twenty-second O2- site, O2- is bonded to one Mn+3.25+ and three Fe3+ atoms to form distorted OMnFe3 trigonal pyramids that share corners with five OLiMnFe2 trigonal pyramids and an edgeedge with one OMnFe3 tetrahedra. In the twenty-third O2- site, O2- is bonded to one Mn+3.25+ and three Fe3+ atoms to form distorted OMnFe3 trigonal pyramids that share a cornercorner with one OMnFe3 tetrahedra, corners with five OLiMnFe2 trigonal pyramids, and an edgeedge with one OLiMnFe2 tetrahedra. In the twenty-fourth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Mn+3.25+ and two Fe3+ atoms.