Li9Mn(SiO5)2 is Aluminum carbonitride-derived structured and crystallizes in the triclinic P1 space group. There are eighteen inequivalent Li sites. In the first Li site, Li(1) is bonded in a trigonal planar geometry to one O(1), one O(17), and one O(3) atom. In the second Li site, Li(2) is bonded to one O(1), one O(18), one O(3), and one O(7) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, corners with two equivalent Li(10)O4 tetrahedra, corners with two equivalent Si(4)O4 tetrahedra,  an edgeedge with one Li(14)O4 tetrahedra, and  an edgeedge with one Li(6)O4 trigonal pyramid. In the third Li site, Li(3) is bonded in a distorted rectangular see-saw-like geometry to one O(17), one O(2), one O(6), and one O(8) atom. In the fourth Li site, Li(4) is bonded in a 4-coordinate geometry to one O(13), one O(19), one O(4), and one O(5) atom. In the fifth Li site, Li(5) is bonded in a 5-coordinate geometry to one O(11), one O(14), one O(2), one O(6), and one O(8) atom. In the sixth Li site, Li(6) is bonded to one O(1), one O(12), one O(4), and one O(7) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Li(17)O4 tetrahedra,  a cornercorner with one Li(9)O4 tetrahedra, corners with two equivalent Si(2)O4 tetrahedra, corners with two equivalent Si(4)O4 tetrahedra,  an edgeedge with one Li(10)O4 tetrahedra, and  an edgeedge with one Li(2)O4 tetrahedra. In the seventh Li site, Li(7) is bonded in a 4-coordinate geometry to one O(17), one O(6), one O(8), and one O(9) atom. In the eighth Li site, Li(8) is bonded to one O(10), one O(13), one O(16), and one O(5) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Si(2)O4 tetrahedra, corners with two equivalent Li(16)O4 tetrahedra,  an edgeedge with one Li(9)O4 tetrahedra, and  an edgeedge with one Si(3)O4 tetrahedra. In the ninth Li site, Li(9) is bonded to one O(10), one O(13), one O(15), and one O(4) atom to form LiO4 tetrahedra that share  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, corners with two equivalent Li(17)O4 tetrahedra, corners with two equivalent Si(2)O4 tetrahedra,  a cornercorner with one Li(6)O4 trigonal pyramid, and  an edgeedge with one Li(8)O4 tetrahedra. In the tenth Li site, Li(10) is bonded to one O(12), one O(18), one O(7), and one O(9) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Si(4)O4 tetrahedra,  an edgeedge with one Li(14)O4 tetrahedra, and  an edgeedge with one Li(6)O4 trigonal pyramid. In the eleventh Li site, Li(11) is bonded in a 4-coordinate geometry to one O(12), one O(17), one O(8), and one O(9) atom. In the twelfth Li site, Li(12) is bonded in a distorted rectangular see-saw-like geometry to one O(10), one O(15), one O(18), and one O(20) atom. In the thirteenth Li site, Li(13) is bonded in a distorted see-saw-like geometry to one O(14), one O(16), one O(2), and one O(6) atom. In the fourteenth Li site, Li(14) is bonded to one O(17), one O(18), one O(3), and one O(9) atom to form LiO4 tetrahedra that share  a cornercorner with one Si(4)O4 tetrahedra, corners with two equivalent Si(1)O4 tetrahedra,  an edgeedge with one Li(10)O4 tetrahedra, and  an edgeedge with one Li(2)O4 tetrahedra. In the fifteenth Li site, Li(15) is bonded in a 4-coordinate geometry to one O(10), one O(13), one O(15), and one O(20) atom. In the sixteenth Li site, Li(16) is bonded to one O(11), one O(14), one O(16), and one O(5) atom to form distorted LiO4 tetrahedra that share corners with two equivalent Li(8)O4 tetrahedra and corners with two equivalent Si(3)O4 tetrahedra. In the seventeenth Li site, Li(17) is bonded to one O(15), one O(19), one O(20), and one O(4) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, corners with two equivalent Li(9)O4 tetrahedra, corners with two equivalent Si(2)O4 tetrahedra, and  a cornercorner with one Li(6)O4 trigonal pyramid. In the eighteenth Li site, Li(18) is bonded in a distorted trigonal planar geometry to one O(19), one O(20), and one O(5) atom. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a distorted rectangular see-saw-like geometry to one O(11), one O(16), one O(2), and one O(5) atom. In the second Mn site, Mn(2) is bonded in a rectangular see-saw-like geometry to one O(11), one O(17), one O(2), and one O(8) atom. There are four inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(3), one O(6), one O(8), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Li(10)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra, and corners with two equivalent Li(14)O4 tetrahedra. In the second Si site, Si(2) is bonded to one O(10), one O(20), one O(4), and one O(7) atom to form SiO4 tetrahedra that share  a cornercorner with one Li(10)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra, corners with two equivalent Li(17)O4 tetrahedra, corners with two equivalent Li(9)O4 tetrahedra, and corners with two equivalent Li(6)O4 trigonal pyramids. In the third Si site, Si(3) is bonded to one O(13), one O(14), one O(16), and one O(19) atom to form SiO4 tetrahedra that share  a cornercorner with one Li(17)O4 tetrahedra,  a cornercorner with one Li(9)O4 tetrahedra, corners with two equivalent Li(16)O4 tetrahedra, and  an edgeedge with one Li(8)O4 tetrahedra. In the fourth Si site, Si(4) is bonded to one O(1), one O(12), one O(15), and one O(18) atom to form SiO4 tetrahedra that share  a cornercorner with one Li(14)O4 tetrahedra,  a cornercorner with one Li(17)O4 tetrahedra,  a cornercorner with one Li(9)O4 tetrahedra, corners with two equivalent Li(10)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, and corners with two equivalent Li(6)O4 trigonal pyramids. There are twenty inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(2), one Li(6), and one Si(4) atom to form distorted OLi3Si tetrahedra that share  a cornercorner with one O(17)Li5Mn pentagonal pyramid and corners with two equivalent O(12)Li3Si trigonal pyramids. In the second O site, O(2) is bonded to one Li(13), one Li(3), one Li(5), one Mn(1), and one Mn(2) atom to form distorted OLi3Mn2 trigonal bipyramids that share  a cornercorner with one O(5)Li4Mn trigonal bipyramid,  a cornercorner with one O(6)Li4Si trigonal bipyramid,  an edgeedge with one O(17)Li5Mn pentagonal pyramid, and  an edgeedge with one O(6)Li4Si trigonal bipyramid. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Li(1), one Li(14), one Li(2), and one Si(1) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Li(17), one Li(4), one Li(6), one Li(9), and one Si(2) atom. In the fifth O site, O(5) is bonded to one Li(16), one Li(18), one Li(4), one Li(8), and one Mn(1) atom to form corner-sharing OLi4Mn trigonal bipyramids. In the sixth O site, O(6) is bonded to one Li(13), one Li(3), one Li(5), one Li(7), and one Si(1) atom to form distorted OLi4Si trigonal bipyramids that share corners with two equivalent O(17)Li5Mn pentagonal pyramids,  a cornercorner with one O(2)Li3Mn2 trigonal bipyramid, and  an edgeedge with one O(2)Li3Mn2 trigonal bipyramid. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Li(10), one Li(2), one Li(6), and one Si(2) atom. In the eighth O site, O(8) is bonded in a 6-coordinate geometry to one Li(11), one Li(3), one Li(5), one Li(7), one Mn(2), and one Si(1) atom. In the ninth O site, O(9) is bonded in a 5-coordinate geometry to one Li(10), one Li(11), one Li(14), one Li(7), and one Si(1) atom. In the tenth O site, O(10) is bonded in a 5-coordinate geometry to one Li(12), one Li(15), one Li(8), one Li(9), and one Si(2) atom. In the eleventh O site, O(11) is bonded in a rectangular see-saw-like geometry to one Li(16), one Li(5), one Mn(1), and one Mn(2) atom. In the twelfth O site, O(12) is bonded to one Li(10), one Li(11), one Li(6), and one Si(4) atom to form distorted OLi3Si trigonal pyramids that share  a cornercorner with one O(17)Li5Mn pentagonal pyramid and corners with two equivalent O(1)Li3Si tetrahedra. In the thirteenth O site, O(13) is bonded in a 5-coordinate geometry to one Li(15), one Li(4), one Li(8), one Li(9), and one Si(3) atom. In the fourteenth O site, O(14) is bonded in a 4-coordinate geometry to one Li(13), one Li(16), one Li(5), and one Si(3) atom. In the fifteenth O site, O(15) is bonded in a 5-coordinate geometry to one Li(12), one Li(15), one Li(17), one Li(9), and one Si(4) atom. In the sixteenth O site, O(16) is bonded in a 5-coordinate geometry to one Li(13), one Li(16), one Li(8), one Mn(1), and one Si(3) atom. In the seventeenth O site, O(17) is bonded to one Li(1), one Li(11), one Li(14), one Li(3), one Li(7), and one Mn(2) atom to form distorted OLi5Mn pentagonal pyramids that share  a cornercorner with one O(1)Li3Si tetrahedra, corners with two equivalent O(6)Li4Si trigonal bipyramids,  a cornercorner with one O(12)Li3Si trigonal pyramid, and  an edgeedge with one O(2)Li3Mn2 trigonal bipyramid. In the eighteenth O site, O(18) is bonded in a 5-coordinate geometry to one Li(10), one Li(12), one Li(14), one Li(2), and one Si(4) atom. In the nineteenth O site, O(19) is bonded in a 4-coordinate geometry to one Li(17), one Li(18), one Li(4), and one Si(3) atom. In the twentieth O site, O(20) is bonded in a 5-coordinate geometry to one Li(12), one Li(15), one Li(17), one Li(18), and one Si(2) atom.
Li9Mn(SiO5)2 is Aluminum carbonitride-derived structured and crystallizes in the triclinic P1 space group. There are eighteen inequivalent Li sites. In the first Li site, Li(1) is bonded in a trigonal planar geometry to one O(1), one O(17), and one O(3) atom. The Li(1)-O(1) bond length is 1.80 Å. The Li(1)-O(17) bond length is 1.93 Å. The Li(1)-O(3) bond length is 1.85 Å. In the second Li site, Li(2) is bonded to one O(1), one O(18), one O(3), and one O(7) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, corners with two equivalent Li(10)O4 tetrahedra, corners with two equivalent Si(4)O4 tetrahedra,  an edgeedge with one Li(14)O4 tetrahedra, and  an edgeedge with one Li(6)O4 trigonal pyramid. The Li(2)-O(1) bond length is 2.06 Å. The Li(2)-O(18) bond length is 1.93 Å. The Li(2)-O(3) bond length is 2.14 Å. The Li(2)-O(7) bond length is 1.85 Å. In the third Li site, Li(3) is bonded in a distorted rectangular see-saw-like geometry to one O(17), one O(2), one O(6), and one O(8) atom. The Li(3)-O(17) bond length is 1.95 Å. The Li(3)-O(2) bond length is 1.96 Å. The Li(3)-O(6) bond length is 1.95 Å. The Li(3)-O(8) bond length is 2.25 Å. In the fourth Li site, Li(4) is bonded in a 4-coordinate geometry to one O(13), one O(19), one O(4), and one O(5) atom. The Li(4)-O(13) bond length is 1.90 Å. The Li(4)-O(19) bond length is 1.92 Å. The Li(4)-O(4) bond length is 2.38 Å. The Li(4)-O(5) bond length is 1.96 Å. In the fifth Li site, Li(5) is bonded in a 5-coordinate geometry to one O(11), one O(14), one O(2), one O(6), and one O(8) atom. The Li(5)-O(11) bond length is 2.13 Å. The Li(5)-O(14) bond length is 1.98 Å. The Li(5)-O(2) bond length is 2.07 Å. The Li(5)-O(6) bond length is 2.04 Å. The Li(5)-O(8) bond length is 2.46 Å. In the sixth Li site, Li(6) is bonded to one O(1), one O(12), one O(4), and one O(7) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Li(17)O4 tetrahedra,  a cornercorner with one Li(9)O4 tetrahedra, corners with two equivalent Si(2)O4 tetrahedra, corners with two equivalent Si(4)O4 tetrahedra,  an edgeedge with one Li(10)O4 tetrahedra, and  an edgeedge with one Li(2)O4 tetrahedra. The Li(6)-O(1) bond length is 1.91 Å. The Li(6)-O(12) bond length is 1.94 Å. The Li(6)-O(4) bond length is 2.04 Å. The Li(6)-O(7) bond length is 2.22 Å. In the seventh Li site, Li(7) is bonded in a 4-coordinate geometry to one O(17), one O(6), one O(8), and one O(9) atom. The Li(7)-O(17) bond length is 1.96 Å. The Li(7)-O(6) bond length is 2.03 Å. The Li(7)-O(8) bond length is 2.01 Å. The Li(7)-O(9) bond length is 1.89 Å. In the eighth Li site, Li(8) is bonded to one O(10), one O(13), one O(16), and one O(5) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Si(2)O4 tetrahedra, corners with two equivalent Li(16)O4 tetrahedra,  an edgeedge with one Li(9)O4 tetrahedra, and  an edgeedge with one Si(3)O4 tetrahedra. The Li(8)-O(10) bond length is 1.85 Å. The Li(8)-O(13) bond length is 2.01 Å. The Li(8)-O(16) bond length is 2.14 Å. The Li(8)-O(5) bond length is 1.89 Å. In the ninth Li site, Li(9) is bonded to one O(10), one O(13), one O(15), and one O(4) atom to form LiO4 tetrahedra that share  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, corners with two equivalent Li(17)O4 tetrahedra, corners with two equivalent Si(2)O4 tetrahedra,  a cornercorner with one Li(6)O4 trigonal pyramid, and  an edgeedge with one Li(8)O4 tetrahedra. The Li(9)-O(10) bond length is 2.02 Å. The Li(9)-O(13) bond length is 2.06 Å. The Li(9)-O(15) bond length is 1.89 Å. The Li(9)-O(4) bond length is 1.89 Å. In the tenth Li site, Li(10) is bonded to one O(12), one O(18), one O(7), and one O(9) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Si(4)O4 tetrahedra,  an edgeedge with one Li(14)O4 tetrahedra, and  an edgeedge with one Li(6)O4 trigonal pyramid. The Li(10)-O(12) bond length is 2.00 Å. The Li(10)-O(18) bond length is 1.92 Å. The Li(10)-O(7) bond length is 1.84 Å. The Li(10)-O(9) bond length is 2.22 Å. In the eleventh Li site, Li(11) is bonded in a 4-coordinate geometry to one O(12), one O(17), one O(8), and one O(9) atom. The Li(11)-O(12) bond length is 1.80 Å. The Li(11)-O(17) bond length is 1.99 Å. The Li(11)-O(8) bond length is 2.18 Å. The Li(11)-O(9) bond length is 1.99 Å. In the twelfth Li site, Li(12) is bonded in a distorted rectangular see-saw-like geometry to one O(10), one O(15), one O(18), and one O(20) atom. The Li(12)-O(10) bond length is 2.02 Å. The Li(12)-O(15) bond length is 2.19 Å. The Li(12)-O(18) bond length is 2.08 Å. The Li(12)-O(20) bond length is 2.16 Å. In the thirteenth Li site, Li(13) is bonded in a distorted see-saw-like geometry to one O(14), one O(16), one O(2), and one O(6) atom. The Li(13)-O(14) bond length is 2.01 Å. The Li(13)-O(16) bond length is 2.26 Å. The Li(13)-O(2) bond length is 2.23 Å. The Li(13)-O(6) bond length is 2.07 Å. In the fourteenth Li site, Li(14) is bonded to one O(17), one O(18), one O(3), and one O(9) atom to form LiO4 tetrahedra that share  a cornercorner with one Si(4)O4 tetrahedra, corners with two equivalent Si(1)O4 tetrahedra,  an edgeedge with one Li(10)O4 tetrahedra, and  an edgeedge with one Li(2)O4 tetrahedra. The Li(14)-O(17) bond length is 2.07 Å. The Li(14)-O(18) bond length is 2.09 Å. The Li(14)-O(3) bond length is 1.92 Å. The Li(14)-O(9) bond length is 1.98 Å. In the fifteenth Li site, Li(15) is bonded in a 4-coordinate geometry to one O(10), one O(13), one O(15), and one O(20) atom. The Li(15)-O(10) bond length is 2.25 Å. The Li(15)-O(13) bond length is 2.43 Å. The Li(15)-O(15) bond length is 2.01 Å. The Li(15)-O(20) bond length is 2.05 Å. In the sixteenth Li site, Li(16) is bonded to one O(11), one O(14), one O(16), and one O(5) atom to form distorted LiO4 tetrahedra that share corners with two equivalent Li(8)O4 tetrahedra and corners with two equivalent Si(3)O4 tetrahedra. The Li(16)-O(11) bond length is 1.99 Å. The Li(16)-O(14) bond length is 1.98 Å. The Li(16)-O(16) bond length is 2.17 Å. The Li(16)-O(5) bond length is 1.96 Å. In the seventeenth Li site, Li(17) is bonded to one O(15), one O(19), one O(20), and one O(4) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, corners with two equivalent Li(9)O4 tetrahedra, corners with two equivalent Si(2)O4 tetrahedra, and  a cornercorner with one Li(6)O4 trigonal pyramid. The Li(17)-O(15) bond length is 1.89 Å. The Li(17)-O(19) bond length is 2.16 Å. The Li(17)-O(20) bond length is 2.04 Å. The Li(17)-O(4) bond length is 1.87 Å. In the eighteenth Li site, Li(18) is bonded in a distorted trigonal planar geometry to one O(19), one O(20), and one O(5) atom. The Li(18)-O(19) bond length is 1.90 Å. The Li(18)-O(20) bond length is 1.89 Å. The Li(18)-O(5) bond length is 1.88 Å. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a distorted rectangular see-saw-like geometry to one O(11), one O(16), one O(2), and one O(5) atom. The Mn(1)-O(11) bond length is 1.98 Å. The Mn(1)-O(16) bond length is 2.05 Å. The Mn(1)-O(2) bond length is 1.97 Å. The Mn(1)-O(5) bond length is 1.83 Å. In the second Mn site, Mn(2) is bonded in a rectangular see-saw-like geometry to one O(11), one O(17), one O(2), and one O(8) atom. The Mn(2)-O(11) bond length is 1.88 Å. The Mn(2)-O(17) bond length is 1.90 Å. The Mn(2)-O(2) bond length is 1.93 Å. The Mn(2)-O(8) bond length is 2.10 Å. There are four inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(3), one O(6), one O(8), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Li(10)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra, and corners with two equivalent Li(14)O4 tetrahedra. The Si(1)-O(3) bond length is 1.61 Å. The Si(1)-O(6) bond length is 1.66 Å. The Si(1)-O(8) bond length is 1.70 Å. The Si(1)-O(9) bond length is 1.65 Å. In the second Si site, Si(2) is bonded to one O(10), one O(20), one O(4), and one O(7) atom to form SiO4 tetrahedra that share  a cornercorner with one Li(10)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra, corners with two equivalent Li(17)O4 tetrahedra, corners with two equivalent Li(9)O4 tetrahedra, and corners with two equivalent Li(6)O4 trigonal pyramids. The Si(2)-O(10) bond length is 1.68 Å. The Si(2)-O(20) bond length is 1.69 Å. The Si(2)-O(4) bond length is 1.65 Å. The Si(2)-O(7) bond length is 1.62 Å. In the third Si site, Si(3) is bonded to one O(13), one O(14), one O(16), and one O(19) atom to form SiO4 tetrahedra that share  a cornercorner with one Li(17)O4 tetrahedra,  a cornercorner with one Li(9)O4 tetrahedra, corners with two equivalent Li(16)O4 tetrahedra, and  an edgeedge with one Li(8)O4 tetrahedra. The Si(3)-O(13) bond length is 1.63 Å. The Si(3)-O(14) bond length is 1.66 Å. The Si(3)-O(16) bond length is 1.72 Å. The Si(3)-O(19) bond length is 1.64 Å. In the fourth Si site, Si(4) is bonded to one O(1), one O(12), one O(15), and one O(18) atom to form SiO4 tetrahedra that share  a cornercorner with one Li(14)O4 tetrahedra,  a cornercorner with one Li(17)O4 tetrahedra,  a cornercorner with one Li(9)O4 tetrahedra, corners with two equivalent Li(10)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, and corners with two equivalent Li(6)O4 trigonal pyramids. The Si(4)-O(1) bond length is 1.65 Å. The Si(4)-O(12) bond length is 1.65 Å. The Si(4)-O(15) bond length is 1.66 Å. The Si(4)-O(18) bond length is 1.66 Å. There are twenty inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(2), one Li(6), and one Si(4) atom to form distorted OLi3Si tetrahedra that share  a cornercorner with one O(17)Li5Mn pentagonal pyramid and corners with two equivalent O(12)Li3Si trigonal pyramids. In the second O site, O(2) is bonded to one Li(13), one Li(3), one Li(5), one Mn(1), and one Mn(2) atom to form distorted OLi3Mn2 trigonal bipyramids that share  a cornercorner with one O(5)Li4Mn trigonal bipyramid,  a cornercorner with one O(6)Li4Si trigonal bipyramid,  an edgeedge with one O(17)Li5Mn pentagonal pyramid, and  an edgeedge with one O(6)Li4Si trigonal bipyramid. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Li(1), one Li(14), one Li(2), and one Si(1) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Li(17), one Li(4), one Li(6), one Li(9), and one Si(2) atom. In the fifth O site, O(5) is bonded to one Li(16), one Li(18), one Li(4), one Li(8), and one Mn(1) atom to form corner-sharing OLi4Mn trigonal bipyramids. In the sixth O site, O(6) is bonded to one Li(13), one Li(3), one Li(5), one Li(7), and one Si(1) atom to form distorted OLi4Si trigonal bipyramids that share corners with two equivalent O(17)Li5Mn pentagonal pyramids,  a cornercorner with one O(2)Li3Mn2 trigonal bipyramid, and  an edgeedge with one O(2)Li3Mn2 trigonal bipyramid. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Li(10), one Li(2), one Li(6), and one Si(2) atom. In the eighth O site, O(8) is bonded in a 6-coordinate geometry to one Li(11), one Li(3), one Li(5), one Li(7), one Mn(2), and one Si(1) atom. In the ninth O site, O(9) is bonded in a 5-coordinate geometry to one Li(10), one Li(11), one Li(14), one Li(7), and one Si(1) atom. In the tenth O site, O(10) is bonded in a 5-coordinate geometry to one Li(12), one Li(15), one Li(8), one Li(9), and one Si(2) atom. In the eleventh O site, O(11) is bonded in a rectangular see-saw-like geometry to one Li(16), one Li(5), one Mn(1), and one Mn(2) atom. In the twelfth O site, O(12) is bonded to one Li(10), one Li(11), one Li(6), and one Si(4) atom to form distorted OLi3Si trigonal pyramids that share  a cornercorner with one O(17)Li5Mn pentagonal pyramid and corners with two equivalent O(1)Li3Si tetrahedra. In the thirteenth O site, O(13) is bonded in a 5-coordinate geometry to one Li(15), one Li(4), one Li(8), one Li(9), and one Si(3) atom. In the fourteenth O site, O(14) is bonded in a 4-coordinate geometry to one Li(13), one Li(16), one Li(5), and one Si(3) atom. In the fifteenth O site, O(15) is bonded in a 5-coordinate geometry to one Li(12), one Li(15), one Li(17), one Li(9), and one Si(4) atom. In the sixteenth O site, O(16) is bonded in a 5-coordinate geometry to one Li(13), one Li(16), one Li(8), one Mn(1), and one Si(3) atom. In the seventeenth O site, O(17) is bonded to one Li(1), one Li(11), one Li(14), one Li(3), one Li(7), and one Mn(2) atom to form distorted OLi5Mn pentagonal pyramids that share  a cornercorner with one O(1)Li3Si tetrahedra, corners with two equivalent O(6)Li4Si trigonal bipyramids,  a cornercorner with one O(12)Li3Si trigonal pyramid, and  an edgeedge with one O(2)Li3Mn2 trigonal bipyramid. In the eighteenth O site, O(18) is bonded in a 5-coordinate geometry to one Li(10), one Li(12), one Li(14), one Li(2), and one Si(4) atom. In the nineteenth O site, O(19) is bonded in a 4-coordinate geometry to one Li(17), one Li(18), one Li(4), and one Si(3) atom. In the twentieth O site, O(20) is bonded in a 5-coordinate geometry to one Li(12), one Li(15), one Li(17), one Li(18), and one Si(2) atom.