Li9Mn5(SiO8)2 crystallizes in the triclinic P-1 space group. There are five inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(2), one O(4), and two equivalent O(8) atoms to form distorted LiO5 square pyramids that share  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Si(1)O6 octahedra, corners with two equivalent Li(5)O6 octahedra, corners with three equivalent Mn(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra, edges with three equivalent Si(1)O6 octahedra,  an edgeedge with one Li(1)O5 square pyramid, and edges with two equivalent Li(2)O5 square pyramids. The corner-sharing octahedral tilt angles range from 10-94°. In the second Li site, Li(2) is bonded to one O(2), one O(3), one O(4), one O(5), and one O(8) atom to form distorted LiO5 square pyramids that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Mn(3)O6 octahedra,  a cornercorner with one Si(1)O6 octahedra, corners with two equivalent Li(5)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra, edges with two equivalent Si(1)O6 octahedra, and edges with two equivalent Li(1)O5 square pyramids. The corner-sharing octahedral tilt angles range from 8-94°. In the third Li site, Li(3) is bonded to one O(1), one O(3), one O(4), one O(5), one O(6), and one O(7) atom to form LiO6 octahedra that share  a cornercorner with one Li(5)O6 octahedra,  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(3)O6 octahedra,  a cornercorner with one Si(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra,  a cornercorner with one Li(2)O5 square pyramid,  an edgeedge with one Mn(3)O6 octahedra,  an edgeedge with one Si(1)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, edges with three equivalent Li(4)O6 octahedra,  an edgeedge with one Li(1)O5 square pyramid, and  an edgeedge with one Li(2)O5 square pyramid. The corner-sharing octahedral tilt angles range from 4-21°. In the fourth Li site, Li(4) is bonded to one O(3), one O(5), two equivalent O(6), and two equivalent O(7) atoms to form LiO6 octahedra that share  a cornercorner with one Mn(3)O6 octahedra,  a cornercorner with one Si(1)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Mn(3)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, edges with three equivalent Mn(2)O6 octahedra, and  an edgeedge with one Li(2)O5 square pyramid. The corner-sharing octahedral tilt angles range from 4-7°. In the fifth Li site, Li(5) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(8) atoms to form distorted LiO6 octahedra that share corners with two equivalent Li(3)O6 octahedra, corners with four equivalent Li(1)O5 square pyramids, corners with four equivalent Li(2)O5 square pyramids, edges with two equivalent Mn(1)O6 octahedra, edges with four equivalent Si(1)O6 octahedra, and edges with two equivalent Li(1)O5 square pyramids. The corner-sharing octahedral tilt angles are 21°. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(7) atom to form MnO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra, corners with two equivalent Li(4)O6 octahedra, corners with two equivalent Li(2)O5 square pyramids, corners with three equivalent Li(1)O5 square pyramids,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, edges with two equivalent Si(1)O6 octahedra, and  an edgeedge with one Li(2)O5 square pyramid. The corner-sharing octahedral tilt angles range from 5-9°. In the second Mn site, Mn(2) is bonded to one O(3), one O(4), one O(5), one O(7), and two equivalent O(6) atoms to form MnO6 octahedra that share corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Li(4)O6 octahedra,  a cornercorner with one Li(1)O5 square pyramid,  a cornercorner with one Li(2)O5 square pyramid,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Si(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Mn(3)O6 octahedra, edges with three equivalent Li(4)O6 octahedra, and  an edgeedge with one Li(2)O5 square pyramid. The corner-sharing octahedral tilt angles are 7°. In the third Mn site, Mn(3) is bonded to two equivalent O(3), two equivalent O(6), and two equivalent O(7) atoms to form MnO6 octahedra that share corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Li(4)O6 octahedra, corners with two equivalent Li(2)O5 square pyramids, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with four equivalent Li(4)O6 octahedra, and edges with four equivalent Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-6°. Si(1) is bonded to one O(1), one O(2), one O(4), one O(5), and two equivalent O(8) atoms to form SiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Li(4)O6 octahedra,  a cornercorner with one Li(1)O5 square pyramid,  a cornercorner with one Li(2)O5 square pyramid,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Si(1)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Li(2)O5 square pyramids, and edges with three equivalent Li(1)O5 square pyramids. The corner-sharing octahedral tilt angles are 4°. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(3), one Li(5), one Mn(1), and one Si(1) atom to form distorted OLi3MnSi trigonal bipyramids that share  a cornercorner with one O(5)Li3Mn2Si octahedra,  a cornercorner with one O(6)Li3Mn3 octahedra, corners with two equivalent O(3)Li3Mn3 octahedra, corners with two equivalent O(8)Li4Si2 octahedra,  a cornercorner with one O(2)Li3MnSi square pyramid,  a cornercorner with one O(1)Li3MnSi trigonal bipyramid,  an edgeedge with one O(5)Li3Mn2Si octahedra,  an edgeedge with one O(7)Li3Mn3 octahedra, edges with two equivalent O(4)Li3Mn2Si octahedra, edges with two equivalent O(8)Li4Si2 octahedra, and edges with two equivalent O(2)Li3MnSi square pyramids. The corner-sharing octahedral tilt angles range from 9-78°. In the second O site, O(2) is bonded to one Li(1), one Li(2), one Li(5), one Mn(1), and one Si(1) atom to form distorted OLi3MnSi square pyramids that share  a cornercorner with one O(5)Li3Mn2Si octahedra,  a cornercorner with one O(7)Li3Mn3 octahedra,  a cornercorner with one O(8)Li4Si2 octahedra, corners with two equivalent O(4)Li3Mn2Si octahedra,  a cornercorner with one O(2)Li3MnSi square pyramid,  a cornercorner with one O(1)Li3MnSi trigonal bipyramid,  an edgeedge with one O(4)Li3Mn2Si octahedra,  an edgeedge with one O(5)Li3Mn2Si octahedra,  an edgeedge with one O(3)Li3Mn3 octahedra, edges with three equivalent O(8)Li4Si2 octahedra, and edges with two equivalent O(1)Li3MnSi trigonal bipyramids. The corner-sharing octahedral tilt angles range from 5-76°. In the third O site, O(3) is bonded to one Li(2), one Li(3), one Li(4), one Mn(1), one Mn(2), and one Mn(3) atom to form OLi3Mn3 octahedra that share  a cornercorner with one O(5)Li3Mn2Si octahedra,  a cornercorner with one O(3)Li3Mn3 octahedra,  a cornercorner with one O(6)Li3Mn3 octahedra,  a cornercorner with one O(7)Li3Mn3 octahedra,  a cornercorner with one O(8)Li4Si2 octahedra, corners with two equivalent O(1)Li3MnSi trigonal bipyramids, edges with two equivalent O(4)Li3Mn2Si octahedra, edges with two equivalent O(5)Li3Mn2Si octahedra, edges with three equivalent O(6)Li3Mn3 octahedra, edges with three equivalent O(7)Li3Mn3 octahedra, and  an edgeedge with one O(2)Li3MnSi square pyramid. The corner-sharing octahedral tilt angles range from 0-7°. In the fourth O site, O(4) is bonded to one Li(1), one Li(2), one Li(3), one Mn(1), one Mn(2), and one Si(1) atom to form OLi3Mn2Si octahedra that share  a cornercorner with one O(5)Li3Mn2Si octahedra,  a cornercorner with one O(6)Li3Mn3 octahedra,  a cornercorner with one O(7)Li3Mn3 octahedra,  a cornercorner with one O(8)Li4Si2 octahedra, corners with two equivalent O(2)Li3MnSi square pyramids,  an edgeedge with one O(6)Li3Mn3 octahedra,  an edgeedge with one O(7)Li3Mn3 octahedra, edges with two equivalent O(5)Li3Mn2Si octahedra, edges with two equivalent O(3)Li3Mn3 octahedra, edges with two equivalent O(8)Li4Si2 octahedra,  an edgeedge with one O(2)Li3MnSi square pyramid, and edges with two equivalent O(1)Li3MnSi trigonal bipyramids. The corner-sharing octahedral tilt angles range from 1-3°. In the fifth O site, O(5) is bonded to one Li(2), one Li(3), one Li(4), one Mn(1), one Mn(2), and one Si(1) atom to form OLi3Mn2Si octahedra that share  a cornercorner with one O(4)Li3Mn2Si octahedra,  a cornercorner with one O(3)Li3Mn3 octahedra,  a cornercorner with one O(6)Li3Mn3 octahedra,  a cornercorner with one O(7)Li3Mn3 octahedra,  a cornercorner with one O(8)Li4Si2 octahedra,  a cornercorner with one O(2)Li3MnSi square pyramid,  a cornercorner with one O(1)Li3MnSi trigonal bipyramid,  an edgeedge with one O(8)Li4Si2 octahedra, edges with two equivalent O(4)Li3Mn2Si octahedra, edges with two equivalent O(3)Li3Mn3 octahedra, edges with two equivalent O(6)Li3Mn3 octahedra, edges with two equivalent O(7)Li3Mn3 octahedra,  an edgeedge with one O(2)Li3MnSi square pyramid, and  an edgeedge with one O(1)Li3MnSi trigonal bipyramid. The corner-sharing octahedral tilt angles range from 1-3°. In the sixth O site, O(6) is bonded to one Li(3), two equivalent Li(4), one Mn(3), and two equivalent Mn(2) atoms to form OLi3Mn3 octahedra that share  a cornercorner with one O(4)Li3Mn2Si octahedra,  a cornercorner with one O(5)Li3Mn2Si octahedra,  a cornercorner with one O(3)Li3Mn3 octahedra,  a cornercorner with one O(6)Li3Mn3 octahedra,  a cornercorner with one O(7)Li3Mn3 octahedra,  a cornercorner with one O(1)Li3MnSi trigonal bipyramid,  an edgeedge with one O(4)Li3Mn2Si octahedra, edges with two equivalent O(5)Li3Mn2Si octahedra, edges with two equivalent O(6)Li3Mn3 octahedra, edges with three equivalent O(3)Li3Mn3 octahedra, and edges with four equivalent O(7)Li3Mn3 octahedra. The corner-sharing octahedral tilt angles range from 0-2°. In the seventh O site, O(7) is bonded to one Li(3), two equivalent Li(4), one Mn(1), one Mn(2), and one Mn(3) atom to form OLi3Mn3 octahedra that share  a cornercorner with one O(4)Li3Mn2Si octahedra,  a cornercorner with one O(5)Li3Mn2Si octahedra,  a cornercorner with one O(3)Li3Mn3 octahedra,  a cornercorner with one O(6)Li3Mn3 octahedra,  a cornercorner with one O(7)Li3Mn3 octahedra,  a cornercorner with one O(2)Li3MnSi square pyramid,  an edgeedge with one O(4)Li3Mn2Si octahedra,  an edgeedge with one O(7)Li3Mn3 octahedra, edges with two equivalent O(5)Li3Mn2Si octahedra, edges with three equivalent O(3)Li3Mn3 octahedra, edges with four equivalent O(6)Li3Mn3 octahedra, and  an edgeedge with one O(1)Li3MnSi trigonal bipyramid. The corner-sharing octahedral tilt angles range from 0-2°. In the eighth O site, O(8) is bonded to one Li(2), one Li(5), two equivalent Li(1), and two equivalent Si(1) atoms to form OLi4Si2 octahedra that share  a cornercorner with one O(4)Li3Mn2Si octahedra,  a cornercorner with one O(5)Li3Mn2Si octahedra,  a cornercorner with one O(3)Li3Mn3 octahedra,  a cornercorner with one O(8)Li4Si2 octahedra,  a cornercorner with one O(2)Li3MnSi square pyramid, corners with two equivalent O(1)Li3MnSi trigonal bipyramids,  an edgeedge with one O(5)Li3Mn2Si octahedra, edges with two equivalent O(4)Li3Mn2Si octahedra, edges with two equivalent O(8)Li4Si2 octahedra, edges with three equivalent O(2)Li3MnSi square pyramids, and edges with two equivalent O(1)Li3MnSi trigonal bipyramids. The corner-sharing octahedral tilt angles range from 0-7°.
Li9Mn5(SiO8)2 crystallizes in the triclinic P-1 space group. There are five inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(2), one O(4), and two equivalent O(8) atoms to form distorted LiO5 square pyramids that share  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Si(1)O6 octahedra, corners with two equivalent Li(5)O6 octahedra, corners with three equivalent Mn(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra, edges with three equivalent Si(1)O6 octahedra,  an edgeedge with one Li(1)O5 square pyramid, and edges with two equivalent Li(2)O5 square pyramids. The corner-sharing octahedral tilt angles range from 10-94°. The Li(1)-O(1) bond length is 2.06 Å. The Li(1)-O(2) bond length is 2.01 Å. The Li(1)-O(4) bond length is 2.12 Å. There is one shorter (2.05 Å) and one longer (2.27 Å) Li(1)-O(8) bond length. In the second Li site, Li(2) is bonded to one O(2), one O(3), one O(4), one O(5), and one O(8) atom to form distorted LiO5 square pyramids that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Mn(3)O6 octahedra,  a cornercorner with one Si(1)O6 octahedra, corners with two equivalent Li(5)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra, edges with two equivalent Si(1)O6 octahedra, and edges with two equivalent Li(1)O5 square pyramids. The corner-sharing octahedral tilt angles range from 8-94°. The Li(2)-O(2) bond length is 2.03 Å. The Li(2)-O(3) bond length is 2.14 Å. The Li(2)-O(4) bond length is 2.09 Å. The Li(2)-O(5) bond length is 2.10 Å. The Li(2)-O(8) bond length is 2.14 Å. In the third Li site, Li(3) is bonded to one O(1), one O(3), one O(4), one O(5), one O(6), and one O(7) atom to form LiO6 octahedra that share  a cornercorner with one Li(5)O6 octahedra,  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(3)O6 octahedra,  a cornercorner with one Si(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra,  a cornercorner with one Li(2)O5 square pyramid,  an edgeedge with one Mn(3)O6 octahedra,  an edgeedge with one Si(1)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, edges with three equivalent Li(4)O6 octahedra,  an edgeedge with one Li(1)O5 square pyramid, and  an edgeedge with one Li(2)O5 square pyramid. The corner-sharing octahedral tilt angles range from 4-21°. The Li(3)-O(1) bond length is 2.03 Å. The Li(3)-O(3) bond length is 2.19 Å. The Li(3)-O(4) bond length is 2.26 Å. The Li(3)-O(5) bond length is 2.17 Å. The Li(3)-O(6) bond length is 2.15 Å. The Li(3)-O(7) bond length is 2.10 Å. In the fourth Li site, Li(4) is bonded to one O(3), one O(5), two equivalent O(6), and two equivalent O(7) atoms to form LiO6 octahedra that share  a cornercorner with one Mn(3)O6 octahedra,  a cornercorner with one Si(1)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Mn(3)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, edges with three equivalent Mn(2)O6 octahedra, and  an edgeedge with one Li(2)O5 square pyramid. The corner-sharing octahedral tilt angles range from 4-7°. The Li(4)-O(3) bond length is 2.11 Å. The Li(4)-O(5) bond length is 2.26 Å. There is one shorter (2.15 Å) and one longer (2.17 Å) Li(4)-O(6) bond length. There is one shorter (2.11 Å) and one longer (2.17 Å) Li(4)-O(7) bond length. In the fifth Li site, Li(5) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(8) atoms to form distorted LiO6 octahedra that share corners with two equivalent Li(3)O6 octahedra, corners with four equivalent Li(1)O5 square pyramids, corners with four equivalent Li(2)O5 square pyramids, edges with two equivalent Mn(1)O6 octahedra, edges with four equivalent Si(1)O6 octahedra, and edges with two equivalent Li(1)O5 square pyramids. The corner-sharing octahedral tilt angles are 21°. Both Li(5)-O(1) bond lengths are 2.02 Å. Both Li(5)-O(2) bond lengths are 2.04 Å. Both Li(5)-O(8) bond lengths are 2.30 Å. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(7) atom to form MnO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra, corners with two equivalent Li(4)O6 octahedra, corners with two equivalent Li(2)O5 square pyramids, corners with three equivalent Li(1)O5 square pyramids,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, edges with two equivalent Si(1)O6 octahedra, and  an edgeedge with one Li(2)O5 square pyramid. The corner-sharing octahedral tilt angles range from 5-9°. The Mn(1)-O(1) bond length is 1.95 Å. The Mn(1)-O(2) bond length is 1.94 Å. The Mn(1)-O(3) bond length is 1.98 Å. The Mn(1)-O(4) bond length is 2.26 Å. The Mn(1)-O(5) bond length is 2.27 Å. The Mn(1)-O(7) bond length is 1.99 Å. In the second Mn site, Mn(2) is bonded to one O(3), one O(4), one O(5), one O(7), and two equivalent O(6) atoms to form MnO6 octahedra that share corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Li(4)O6 octahedra,  a cornercorner with one Li(1)O5 square pyramid,  a cornercorner with one Li(2)O5 square pyramid,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Si(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Mn(3)O6 octahedra, edges with three equivalent Li(4)O6 octahedra, and  an edgeedge with one Li(2)O5 square pyramid. The corner-sharing octahedral tilt angles are 7°. The Mn(2)-O(3) bond length is 2.29 Å. The Mn(2)-O(4) bond length is 1.98 Å. The Mn(2)-O(5) bond length is 1.98 Å. The Mn(2)-O(7) bond length is 2.27 Å. Both Mn(2)-O(6) bond lengths are 1.97 Å. In the third Mn site, Mn(3) is bonded to two equivalent O(3), two equivalent O(6), and two equivalent O(7) atoms to form MnO6 octahedra that share corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Li(4)O6 octahedra, corners with two equivalent Li(2)O5 square pyramids, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with four equivalent Li(4)O6 octahedra, and edges with four equivalent Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-6°. Both Mn(3)-O(3) bond lengths are 1.97 Å. Both Mn(3)-O(6) bond lengths are 2.30 Å. Both Mn(3)-O(7) bond lengths are 1.95 Å. Si(1) is bonded to one O(1), one O(2), one O(4), one O(5), and two equivalent O(8) atoms to form SiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Li(4)O6 octahedra,  a cornercorner with one Li(1)O5 square pyramid,  a cornercorner with one Li(2)O5 square pyramid,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Si(1)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Li(2)O5 square pyramids, and edges with three equivalent Li(1)O5 square pyramids. The corner-sharing octahedral tilt angles are 4°. The Si(1)-O(1) bond length is 1.85 Å. The Si(1)-O(2) bond length is 1.87 Å. The Si(1)-O(4) bond length is 1.84 Å. The Si(1)-O(5) bond length is 1.84 Å. There is one shorter (1.81 Å) and one longer (1.82 Å) Si(1)-O(8) bond length. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(3), one Li(5), one Mn(1), and one Si(1) atom to form distorted OLi3MnSi trigonal bipyramids that share  a cornercorner with one O(5)Li3Mn2Si octahedra,  a cornercorner with one O(6)Li3Mn3 octahedra, corners with two equivalent O(3)Li3Mn3 octahedra, corners with two equivalent O(8)Li4Si2 octahedra,  a cornercorner with one O(2)Li3MnSi square pyramid,  a cornercorner with one O(1)Li3MnSi trigonal bipyramid,  an edgeedge with one O(5)Li3Mn2Si octahedra,  an edgeedge with one O(7)Li3Mn3 octahedra, edges with two equivalent O(4)Li3Mn2Si octahedra, edges with two equivalent O(8)Li4Si2 octahedra, and edges with two equivalent O(2)Li3MnSi square pyramids. The corner-sharing octahedral tilt angles range from 9-78°. In the second O site, O(2) is bonded to one Li(1), one Li(2), one Li(5), one Mn(1), and one Si(1) atom to form distorted OLi3MnSi square pyramids that share  a cornercorner with one O(5)Li3Mn2Si octahedra,  a cornercorner with one O(7)Li3Mn3 octahedra,  a cornercorner with one O(8)Li4Si2 octahedra, corners with two equivalent O(4)Li3Mn2Si octahedra,  a cornercorner with one O(2)Li3MnSi square pyramid,  a cornercorner with one O(1)Li3MnSi trigonal bipyramid,  an edgeedge with one O(4)Li3Mn2Si octahedra,  an edgeedge with one O(5)Li3Mn2Si octahedra,  an edgeedge with one O(3)Li3Mn3 octahedra, edges with three equivalent O(8)Li4Si2 octahedra, and edges with two equivalent O(1)Li3MnSi trigonal bipyramids. The corner-sharing octahedral tilt angles range from 5-76°. In the third O site, O(3) is bonded to one Li(2), one Li(3), one Li(4), one Mn(1), one Mn(2), and one Mn(3) atom to form OLi3Mn3 octahedra that share  a cornercorner with one O(5)Li3Mn2Si octahedra,  a cornercorner with one O(3)Li3Mn3 octahedra,  a cornercorner with one O(6)Li3Mn3 octahedra,  a cornercorner with one O(7)Li3Mn3 octahedra,  a cornercorner with one O(8)Li4Si2 octahedra, corners with two equivalent O(1)Li3MnSi trigonal bipyramids, edges with two equivalent O(4)Li3Mn2Si octahedra, edges with two equivalent O(5)Li3Mn2Si octahedra, edges with three equivalent O(6)Li3Mn3 octahedra, edges with three equivalent O(7)Li3Mn3 octahedra, and  an edgeedge with one O(2)Li3MnSi square pyramid. The corner-sharing octahedral tilt angles range from 0-7°. In the fourth O site, O(4) is bonded to one Li(1), one Li(2), one Li(3), one Mn(1), one Mn(2), and one Si(1) atom to form OLi3Mn2Si octahedra that share  a cornercorner with one O(5)Li3Mn2Si octahedra,  a cornercorner with one O(6)Li3Mn3 octahedra,  a cornercorner with one O(7)Li3Mn3 octahedra,  a cornercorner with one O(8)Li4Si2 octahedra, corners with two equivalent O(2)Li3MnSi square pyramids,  an edgeedge with one O(6)Li3Mn3 octahedra,  an edgeedge with one O(7)Li3Mn3 octahedra, edges with two equivalent O(5)Li3Mn2Si octahedra, edges with two equivalent O(3)Li3Mn3 octahedra, edges with two equivalent O(8)Li4Si2 octahedra,  an edgeedge with one O(2)Li3MnSi square pyramid, and edges with two equivalent O(1)Li3MnSi trigonal bipyramids. The corner-sharing octahedral tilt angles range from 1-3°. In the fifth O site, O(5) is bonded to one Li(2), one Li(3), one Li(4), one Mn(1), one Mn(2), and one Si(1) atom to form OLi3Mn2Si octahedra that share  a cornercorner with one O(4)Li3Mn2Si octahedra,  a cornercorner with one O(3)Li3Mn3 octahedra,  a cornercorner with one O(6)Li3Mn3 octahedra,  a cornercorner with one O(7)Li3Mn3 octahedra,  a cornercorner with one O(8)Li4Si2 octahedra,  a cornercorner with one O(2)Li3MnSi square pyramid,  a cornercorner with one O(1)Li3MnSi trigonal bipyramid,  an edgeedge with one O(8)Li4Si2 octahedra, edges with two equivalent O(4)Li3Mn2Si octahedra, edges with two equivalent O(3)Li3Mn3 octahedra, edges with two equivalent O(6)Li3Mn3 octahedra, edges with two equivalent O(7)Li3Mn3 octahedra,  an edgeedge with one O(2)Li3MnSi square pyramid, and  an edgeedge with one O(1)Li3MnSi trigonal bipyramid. The corner-sharing octahedral tilt angles range from 1-3°. In the sixth O site, O(6) is bonded to one Li(3), two equivalent Li(4), one Mn(3), and two equivalent Mn(2) atoms to form OLi3Mn3 octahedra that share  a cornercorner with one O(4)Li3Mn2Si octahedra,  a cornercorner with one O(5)Li3Mn2Si octahedra,  a cornercorner with one O(3)Li3Mn3 octahedra,  a cornercorner with one O(6)Li3Mn3 octahedra,  a cornercorner with one O(7)Li3Mn3 octahedra,  a cornercorner with one O(1)Li3MnSi trigonal bipyramid,  an edgeedge with one O(4)Li3Mn2Si octahedra, edges with two equivalent O(5)Li3Mn2Si octahedra, edges with two equivalent O(6)Li3Mn3 octahedra, edges with three equivalent O(3)Li3Mn3 octahedra, and edges with four equivalent O(7)Li3Mn3 octahedra. The corner-sharing octahedral tilt angles range from 0-2°. In the seventh O site, O(7) is bonded to one Li(3), two equivalent Li(4), one Mn(1), one Mn(2), and one Mn(3) atom to form OLi3Mn3 octahedra that share  a cornercorner with one O(4)Li3Mn2Si octahedra,  a cornercorner with one O(5)Li3Mn2Si octahedra,  a cornercorner with one O(3)Li3Mn3 octahedra,  a cornercorner with one O(6)Li3Mn3 octahedra,  a cornercorner with one O(7)Li3Mn3 octahedra,  a cornercorner with one O(2)Li3MnSi square pyramid,  an edgeedge with one O(4)Li3Mn2Si octahedra,  an edgeedge with one O(7)Li3Mn3 octahedra, edges with two equivalent O(5)Li3Mn2Si octahedra, edges with three equivalent O(3)Li3Mn3 octahedra, edges with four equivalent O(6)Li3Mn3 octahedra, and  an edgeedge with one O(1)Li3MnSi trigonal bipyramid. The corner-sharing octahedral tilt angles range from 0-2°. In the eighth O site, O(8) is bonded to one Li(2), one Li(5), two equivalent Li(1), and two equivalent Si(1) atoms to form OLi4Si2 octahedra that share  a cornercorner with one O(4)Li3Mn2Si octahedra,  a cornercorner with one O(5)Li3Mn2Si octahedra,  a cornercorner with one O(3)Li3Mn3 octahedra,  a cornercorner with one O(8)Li4Si2 octahedra,  a cornercorner with one O(2)Li3MnSi square pyramid, corners with two equivalent O(1)Li3MnSi trigonal bipyramids,  an edgeedge with one O(5)Li3Mn2Si octahedra, edges with two equivalent O(4)Li3Mn2Si octahedra, edges with two equivalent O(8)Li4Si2 octahedra, edges with three equivalent O(2)Li3MnSi square pyramids, and edges with two equivalent O(1)Li3MnSi trigonal bipyramids. The corner-sharing octahedral tilt angles range from 0-7°.