Li9Ti5(SiO8)2 is Caswellsilverite-derived structured and 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(4), two equivalent O(2), and two equivalent O(8) atoms to form distorted LiO6 octahedra that share  a cornercorner with one Li(5)O6 octahedra,  a cornercorner with one Ti(2)O6 octahedra, corners with two equivalent Ti(1)O6 octahedra, corners with two equivalent Si(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Ti(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, edges with three equivalent Li(2)O6 octahedra, and edges with three equivalent Si(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-17°. In the second Li site, Li(2) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(8) atom to form LiO6 octahedra that share  a cornercorner with one Li(5)O6 octahedra,  a cornercorner with one Ti(1)O6 octahedra,  a cornercorner with one Ti(2)O6 octahedra,  a cornercorner with one Ti(3)O6 octahedra, corners with two equivalent Si(1)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Ti(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Ti(1)O6 octahedra, edges with two equivalent Si(1)O6 octahedra, and edges with three equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-15°. 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 Ti(1)O6 octahedra,  a cornercorner with one Ti(3)O6 octahedra,  a cornercorner with one Si(1)O6 octahedra, corners with two equivalent Ti(2)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Ti(3)O6 octahedra,  an edgeedge with one Si(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ti(1)O6 octahedra, edges with two equivalent Ti(2)O6 octahedra, and edges with three equivalent Li(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-13°. 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 Ti(3)O6 octahedra,  a cornercorner with one Si(1)O6 octahedra, corners with two equivalent Ti(1)O6 octahedra, corners with two equivalent Ti(2)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Ti(1)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Ti(3)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, and edges with three equivalent Ti(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-6°. 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 LiO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Li(3)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ti(1)O6 octahedra, edges with four equivalent Li(1)O6 octahedra, and edges with four equivalent Si(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 13-14°. There are three inequivalent Ti sites. In the first Ti site, Ti(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 TiO6 octahedra that share  a cornercorner with one Li(2)O6 octahedra,  a cornercorner with one Li(3)O6 octahedra, corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(4)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Ti(3)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Ti(2)O6 octahedra, and edges with two equivalent Si(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-13°. In the second Ti site, Ti(2) is bonded to one O(3), one O(4), one O(5), one O(7), and two equivalent O(6) atoms to form TiO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra,  a cornercorner with one Li(2)O6 octahedra, corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Li(4)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Ti(2)O6 octahedra,  an edgeedge with one Si(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Ti(1)O6 octahedra, edges with two equivalent Ti(3)O6 octahedra, and edges with three equivalent Li(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-17°. In the third Ti site, Ti(3) is bonded to two equivalent O(3), two equivalent O(6), and two equivalent O(7) atoms to form TiO6 octahedra that share corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Li(4)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Ti(1)O6 octahedra, edges with four equivalent Li(4)O6 octahedra, and edges with four equivalent Ti(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-4°. 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, corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Ti(2)O6 octahedra,  an edgeedge with one Si(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, edges with two equivalent Ti(1)O6 octahedra, and edges with three equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-11°. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(2), one Li(3), one Li(5), one Ti(1), and one Si(1) atom to form OLi4TiSi octahedra that share  a cornercorner with one O(4)Li3Ti2Si octahedra,  a cornercorner with one O(3)Li3Ti3 octahedra,  a cornercorner with one O(6)Li3Ti3 octahedra,  a cornercorner with one O(8)Li4Si2 octahedra,  a cornercorner with one O(1)Li4TiSi octahedra,  a cornercorner with one O(2)Li4TiSi octahedra,  an edgeedge with one O(3)Li3Ti3 octahedra,  an edgeedge with one O(7)Li3Ti3 octahedra, edges with two equivalent O(4)Li3Ti2Si octahedra, edges with two equivalent O(5)Li3Ti2Si octahedra, edges with three equivalent O(8)Li4Si2 octahedra, and edges with three equivalent O(2)Li4TiSi octahedra. The corner-sharing octahedral tilt angles range from 0-9°. In the second O site, O(2) is bonded to one Li(2), one Li(5), two equivalent Li(1), one Ti(1), and one Si(1) atom to form OLi4TiSi octahedra that share  a cornercorner with one O(4)Li3Ti2Si octahedra,  a cornercorner with one O(5)Li3Ti2Si octahedra,  a cornercorner with one O(7)Li3Ti3 octahedra,  a cornercorner with one O(8)Li4Si2 octahedra,  a cornercorner with one O(1)Li4TiSi octahedra,  a cornercorner with one O(2)Li4TiSi octahedra,  an edgeedge with one O(5)Li3Ti2Si octahedra,  an edgeedge with one O(3)Li3Ti3 octahedra,  an edgeedge with one O(2)Li4TiSi octahedra, edges with two equivalent O(4)Li3Ti2Si octahedra, edges with three equivalent O(1)Li4TiSi octahedra, and edges with four equivalent O(8)Li4Si2 octahedra. The corner-sharing octahedral tilt angles range from 0-9°. In the third O site, O(3) is bonded to one Li(2), one Li(3), one Li(4), one Ti(1), one Ti(2), and one Ti(3) atom to form OLi3Ti3 octahedra that share  a cornercorner with one O(5)Li3Ti2Si octahedra,  a cornercorner with one O(3)Li3Ti3 octahedra,  a cornercorner with one O(6)Li3Ti3 octahedra,  a cornercorner with one O(7)Li3Ti3 octahedra,  a cornercorner with one O(8)Li4Si2 octahedra,  a cornercorner with one O(1)Li4TiSi octahedra,  an edgeedge with one O(1)Li4TiSi octahedra,  an edgeedge with one O(2)Li4TiSi octahedra, edges with two equivalent O(4)Li3Ti2Si octahedra, edges with two equivalent O(5)Li3Ti2Si octahedra, edges with three equivalent O(6)Li3Ti3 octahedra, and edges with three equivalent O(7)Li3Ti3 octahedra. 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 Ti(1), one Ti(2), and one Si(1) atom to form OLi3Ti2Si octahedra that share  a cornercorner with one O(5)Li3Ti2Si octahedra,  a cornercorner with one O(6)Li3Ti3 octahedra,  a cornercorner with one O(7)Li3Ti3 octahedra,  a cornercorner with one O(8)Li4Si2 octahedra,  a cornercorner with one O(1)Li4TiSi octahedra,  a cornercorner with one O(2)Li4TiSi octahedra,  an edgeedge with one O(6)Li3Ti3 octahedra,  an edgeedge with one O(7)Li3Ti3 octahedra, edges with two equivalent O(5)Li3Ti2Si octahedra, edges with two equivalent O(3)Li3Ti3 octahedra, edges with two equivalent O(8)Li4Si2 octahedra, edges with two equivalent O(1)Li4TiSi octahedra, and edges with two equivalent O(2)Li4TiSi octahedra. The corner-sharing octahedral tilt angles range from 3-12°. In the fifth O site, O(5) is bonded to one Li(2), one Li(3), one Li(4), one Ti(1), one Ti(2), and one Si(1) atom to form OLi3Ti2Si octahedra that share  a cornercorner with one O(4)Li3Ti2Si octahedra,  a cornercorner with one O(3)Li3Ti3 octahedra,  a cornercorner with one O(6)Li3Ti3 octahedra,  a cornercorner with one O(7)Li3Ti3 octahedra,  a cornercorner with one O(8)Li4Si2 octahedra,  a cornercorner with one O(2)Li4TiSi octahedra,  an edgeedge with one O(8)Li4Si2 octahedra,  an edgeedge with one O(2)Li4TiSi octahedra, edges with two equivalent O(4)Li3Ti2Si octahedra, edges with two equivalent O(3)Li3Ti3 octahedra, edges with two equivalent O(6)Li3Ti3 octahedra, edges with two equivalent O(7)Li3Ti3 octahedra, and edges with two equivalent O(1)Li4TiSi octahedra. The corner-sharing octahedral tilt angles range from 1-13°. In the sixth O site, O(6) is bonded to one Li(3), two equivalent Li(4), one Ti(3), and two equivalent Ti(2) atoms to form OLi3Ti3 octahedra that share  a cornercorner with one O(4)Li3Ti2Si octahedra,  a cornercorner with one O(5)Li3Ti2Si octahedra,  a cornercorner with one O(3)Li3Ti3 octahedra,  a cornercorner with one O(6)Li3Ti3 octahedra,  a cornercorner with one O(7)Li3Ti3 octahedra,  a cornercorner with one O(1)Li4TiSi octahedra,  an edgeedge with one O(4)Li3Ti2Si octahedra, edges with two equivalent O(5)Li3Ti2Si octahedra, edges with two equivalent O(6)Li3Ti3 octahedra, edges with three equivalent O(3)Li3Ti3 octahedra, and edges with four equivalent O(7)Li3Ti3 octahedra. The corner-sharing octahedral tilt angles range from 0-13°. In the seventh O site, O(7) is bonded to one Li(3), two equivalent Li(4), one Ti(1), one Ti(2), and one Ti(3) atom to form OLi3Ti3 octahedra that share  a cornercorner with one O(4)Li3Ti2Si octahedra,  a cornercorner with one O(5)Li3Ti2Si octahedra,  a cornercorner with one O(3)Li3Ti3 octahedra,  a cornercorner with one O(6)Li3Ti3 octahedra,  a cornercorner with one O(7)Li3Ti3 octahedra,  a cornercorner with one O(2)Li4TiSi octahedra,  an edgeedge with one O(4)Li3Ti2Si octahedra,  an edgeedge with one O(7)Li3Ti3 octahedra,  an edgeedge with one O(1)Li4TiSi octahedra, edges with two equivalent O(5)Li3Ti2Si octahedra, edges with three equivalent O(3)Li3Ti3 octahedra, and edges with four equivalent O(6)Li3Ti3 octahedra. The corner-sharing octahedral tilt angles range from 0-7°. 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)Li3Ti2Si octahedra,  a cornercorner with one O(5)Li3Ti2Si octahedra,  a cornercorner with one O(3)Li3Ti3 octahedra,  a cornercorner with one O(8)Li4Si2 octahedra,  a cornercorner with one O(1)Li4TiSi octahedra,  a cornercorner with one O(2)Li4TiSi octahedra,  an edgeedge with one O(5)Li3Ti2Si octahedra, edges with two equivalent O(4)Li3Ti2Si octahedra, edges with two equivalent O(8)Li4Si2 octahedra, edges with three equivalent O(1)Li4TiSi octahedra, and edges with four equivalent O(2)Li4TiSi octahedra. The corner-sharing octahedral tilt angles range from 0-9°.
Li9Ti5(SiO8)2 is Caswellsilverite-derived structured and 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(4), two equivalent O(2), and two equivalent O(8) atoms to form distorted LiO6 octahedra that share  a cornercorner with one Li(5)O6 octahedra,  a cornercorner with one Ti(2)O6 octahedra, corners with two equivalent Ti(1)O6 octahedra, corners with two equivalent Si(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Ti(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, edges with three equivalent Li(2)O6 octahedra, and edges with three equivalent Si(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-17°. The Li(1)-O(1) bond length is 2.13 Å. The Li(1)-O(4) bond length is 2.13 Å. There is one shorter (2.05 Å) and one longer (2.32 Å) Li(1)-O(2) bond length. There is one shorter (2.06 Å) and one longer (2.31 Å) Li(1)-O(8) bond length. In the second Li site, Li(2) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(8) atom to form LiO6 octahedra that share  a cornercorner with one Li(5)O6 octahedra,  a cornercorner with one Ti(1)O6 octahedra,  a cornercorner with one Ti(2)O6 octahedra,  a cornercorner with one Ti(3)O6 octahedra, corners with two equivalent Si(1)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Ti(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Ti(1)O6 octahedra, edges with two equivalent Si(1)O6 octahedra, and edges with three equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-15°. The Li(2)-O(1) bond length is 2.31 Å. The Li(2)-O(2) bond length is 2.05 Å. The Li(2)-O(3) bond length is 2.12 Å. The Li(2)-O(4) bond length is 2.13 Å. The Li(2)-O(5) bond length is 2.12 Å. The Li(2)-O(8) bond length is 2.19 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 Ti(1)O6 octahedra,  a cornercorner with one Ti(3)O6 octahedra,  a cornercorner with one Si(1)O6 octahedra, corners with two equivalent Ti(2)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Ti(3)O6 octahedra,  an edgeedge with one Si(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ti(1)O6 octahedra, edges with two equivalent Ti(2)O6 octahedra, and edges with three equivalent Li(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-13°. The Li(3)-O(1) bond length is 2.05 Å. The Li(3)-O(3) bond length is 2.09 Å. The Li(3)-O(4) bond length is 2.38 Å. The Li(3)-O(5) bond length is 2.10 Å. The Li(3)-O(6) bond length is 2.05 Å. The Li(3)-O(7) bond length is 2.06 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 Ti(3)O6 octahedra,  a cornercorner with one Si(1)O6 octahedra, corners with two equivalent Ti(1)O6 octahedra, corners with two equivalent Ti(2)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Ti(1)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Ti(3)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, and edges with three equivalent Ti(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-6°. The Li(4)-O(3) bond length is 2.12 Å. The Li(4)-O(5) bond length is 2.37 Å. There is one shorter (2.04 Å) and one longer (2.06 Å) Li(4)-O(6) bond length. There is one shorter (2.07 Å) and one longer (2.09 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 LiO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Li(3)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ti(1)O6 octahedra, edges with four equivalent Li(1)O6 octahedra, and edges with four equivalent Si(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 13-14°. Both Li(5)-O(1) bond lengths are 2.05 Å. Both Li(5)-O(2) bond lengths are 2.08 Å. Both Li(5)-O(8) bond lengths are 2.07 Å. There are three inequivalent Ti sites. In the first Ti site, Ti(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 TiO6 octahedra that share  a cornercorner with one Li(2)O6 octahedra,  a cornercorner with one Li(3)O6 octahedra, corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(4)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Ti(3)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Ti(2)O6 octahedra, and edges with two equivalent Si(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-13°. The Ti(1)-O(1) bond length is 2.01 Å. The Ti(1)-O(2) bond length is 2.00 Å. The Ti(1)-O(3) bond length is 2.04 Å. The Ti(1)-O(4) bond length is 2.02 Å. The Ti(1)-O(5) bond length is 2.03 Å. The Ti(1)-O(7) bond length is 2.03 Å. In the second Ti site, Ti(2) is bonded to one O(3), one O(4), one O(5), one O(7), and two equivalent O(6) atoms to form TiO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra,  a cornercorner with one Li(2)O6 octahedra, corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Li(4)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Ti(2)O6 octahedra,  an edgeedge with one Si(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Ti(1)O6 octahedra, edges with two equivalent Ti(3)O6 octahedra, and edges with three equivalent Li(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-17°. The Ti(2)-O(3) bond length is 2.07 Å. The Ti(2)-O(4) bond length is 2.17 Å. The Ti(2)-O(5) bond length is 2.17 Å. The Ti(2)-O(7) bond length is 2.08 Å. There is one shorter (2.04 Å) and one longer (2.06 Å) Ti(2)-O(6) bond length. In the third Ti site, Ti(3) is bonded to two equivalent O(3), two equivalent O(6), and two equivalent O(7) atoms to form TiO6 octahedra that share corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Li(4)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Ti(1)O6 octahedra, edges with four equivalent Li(4)O6 octahedra, and edges with four equivalent Ti(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-4°. Both Ti(3)-O(3) bond lengths are 2.08 Å. Both Ti(3)-O(6) bond lengths are 2.08 Å. Both Ti(3)-O(7) bond lengths are 2.05 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, corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Ti(2)O6 octahedra,  an edgeedge with one Si(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, edges with two equivalent Ti(1)O6 octahedra, and edges with three equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-11°. The Si(1)-O(1) bond length is 1.82 Å. The Si(1)-O(2) bond length is 1.83 Å. The Si(1)-O(4) bond length is 1.85 Å. The Si(1)-O(5) bond length is 1.85 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(2), one Li(3), one Li(5), one Ti(1), and one Si(1) atom to form OLi4TiSi octahedra that share  a cornercorner with one O(4)Li3Ti2Si octahedra,  a cornercorner with one O(3)Li3Ti3 octahedra,  a cornercorner with one O(6)Li3Ti3 octahedra,  a cornercorner with one O(8)Li4Si2 octahedra,  a cornercorner with one O(1)Li4TiSi octahedra,  a cornercorner with one O(2)Li4TiSi octahedra,  an edgeedge with one O(3)Li3Ti3 octahedra,  an edgeedge with one O(7)Li3Ti3 octahedra, edges with two equivalent O(4)Li3Ti2Si octahedra, edges with two equivalent O(5)Li3Ti2Si octahedra, edges with three equivalent O(8)Li4Si2 octahedra, and edges with three equivalent O(2)Li4TiSi octahedra. The corner-sharing octahedral tilt angles range from 0-9°. In the second O site, O(2) is bonded to one Li(2), one Li(5), two equivalent Li(1), one Ti(1), and one Si(1) atom to form OLi4TiSi octahedra that share  a cornercorner with one O(4)Li3Ti2Si octahedra,  a cornercorner with one O(5)Li3Ti2Si octahedra,  a cornercorner with one O(7)Li3Ti3 octahedra,  a cornercorner with one O(8)Li4Si2 octahedra,  a cornercorner with one O(1)Li4TiSi octahedra,  a cornercorner with one O(2)Li4TiSi octahedra,  an edgeedge with one O(5)Li3Ti2Si octahedra,  an edgeedge with one O(3)Li3Ti3 octahedra,  an edgeedge with one O(2)Li4TiSi octahedra, edges with two equivalent O(4)Li3Ti2Si octahedra, edges with three equivalent O(1)Li4TiSi octahedra, and edges with four equivalent O(8)Li4Si2 octahedra. The corner-sharing octahedral tilt angles range from 0-9°. In the third O site, O(3) is bonded to one Li(2), one Li(3), one Li(4), one Ti(1), one Ti(2), and one Ti(3) atom to form OLi3Ti3 octahedra that share  a cornercorner with one O(5)Li3Ti2Si octahedra,  a cornercorner with one O(3)Li3Ti3 octahedra,  a cornercorner with one O(6)Li3Ti3 octahedra,  a cornercorner with one O(7)Li3Ti3 octahedra,  a cornercorner with one O(8)Li4Si2 octahedra,  a cornercorner with one O(1)Li4TiSi octahedra,  an edgeedge with one O(1)Li4TiSi octahedra,  an edgeedge with one O(2)Li4TiSi octahedra, edges with two equivalent O(4)Li3Ti2Si octahedra, edges with two equivalent O(5)Li3Ti2Si octahedra, edges with three equivalent O(6)Li3Ti3 octahedra, and edges with three equivalent O(7)Li3Ti3 octahedra. 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 Ti(1), one Ti(2), and one Si(1) atom to form OLi3Ti2Si octahedra that share  a cornercorner with one O(5)Li3Ti2Si octahedra,  a cornercorner with one O(6)Li3Ti3 octahedra,  a cornercorner with one O(7)Li3Ti3 octahedra,  a cornercorner with one O(8)Li4Si2 octahedra,  a cornercorner with one O(1)Li4TiSi octahedra,  a cornercorner with one O(2)Li4TiSi octahedra,  an edgeedge with one O(6)Li3Ti3 octahedra,  an edgeedge with one O(7)Li3Ti3 octahedra, edges with two equivalent O(5)Li3Ti2Si octahedra, edges with two equivalent O(3)Li3Ti3 octahedra, edges with two equivalent O(8)Li4Si2 octahedra, edges with two equivalent O(1)Li4TiSi octahedra, and edges with two equivalent O(2)Li4TiSi octahedra. The corner-sharing octahedral tilt angles range from 3-12°. In the fifth O site, O(5) is bonded to one Li(2), one Li(3), one Li(4), one Ti(1), one Ti(2), and one Si(1) atom to form OLi3Ti2Si octahedra that share  a cornercorner with one O(4)Li3Ti2Si octahedra,  a cornercorner with one O(3)Li3Ti3 octahedra,  a cornercorner with one O(6)Li3Ti3 octahedra,  a cornercorner with one O(7)Li3Ti3 octahedra,  a cornercorner with one O(8)Li4Si2 octahedra,  a cornercorner with one O(2)Li4TiSi octahedra,  an edgeedge with one O(8)Li4Si2 octahedra,  an edgeedge with one O(2)Li4TiSi octahedra, edges with two equivalent O(4)Li3Ti2Si octahedra, edges with two equivalent O(3)Li3Ti3 octahedra, edges with two equivalent O(6)Li3Ti3 octahedra, edges with two equivalent O(7)Li3Ti3 octahedra, and edges with two equivalent O(1)Li4TiSi octahedra. The corner-sharing octahedral tilt angles range from 1-13°. In the sixth O site, O(6) is bonded to one Li(3), two equivalent Li(4), one Ti(3), and two equivalent Ti(2) atoms to form OLi3Ti3 octahedra that share  a cornercorner with one O(4)Li3Ti2Si octahedra,  a cornercorner with one O(5)Li3Ti2Si octahedra,  a cornercorner with one O(3)Li3Ti3 octahedra,  a cornercorner with one O(6)Li3Ti3 octahedra,  a cornercorner with one O(7)Li3Ti3 octahedra,  a cornercorner with one O(1)Li4TiSi octahedra,  an edgeedge with one O(4)Li3Ti2Si octahedra, edges with two equivalent O(5)Li3Ti2Si octahedra, edges with two equivalent O(6)Li3Ti3 octahedra, edges with three equivalent O(3)Li3Ti3 octahedra, and edges with four equivalent O(7)Li3Ti3 octahedra. The corner-sharing octahedral tilt angles range from 0-13°. In the seventh O site, O(7) is bonded to one Li(3), two equivalent Li(4), one Ti(1), one Ti(2), and one Ti(3) atom to form OLi3Ti3 octahedra that share  a cornercorner with one O(4)Li3Ti2Si octahedra,  a cornercorner with one O(5)Li3Ti2Si octahedra,  a cornercorner with one O(3)Li3Ti3 octahedra,  a cornercorner with one O(6)Li3Ti3 octahedra,  a cornercorner with one O(7)Li3Ti3 octahedra,  a cornercorner with one O(2)Li4TiSi octahedra,  an edgeedge with one O(4)Li3Ti2Si octahedra,  an edgeedge with one O(7)Li3Ti3 octahedra,  an edgeedge with one O(1)Li4TiSi octahedra, edges with two equivalent O(5)Li3Ti2Si octahedra, edges with three equivalent O(3)Li3Ti3 octahedra, and edges with four equivalent O(6)Li3Ti3 octahedra. The corner-sharing octahedral tilt angles range from 0-7°. 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)Li3Ti2Si octahedra,  a cornercorner with one O(5)Li3Ti2Si octahedra,  a cornercorner with one O(3)Li3Ti3 octahedra,  a cornercorner with one O(8)Li4Si2 octahedra,  a cornercorner with one O(1)Li4TiSi octahedra,  a cornercorner with one O(2)Li4TiSi octahedra,  an edgeedge with one O(5)Li3Ti2Si octahedra, edges with two equivalent O(4)Li3Ti2Si octahedra, edges with two equivalent O(8)Li4Si2 octahedra, edges with three equivalent O(1)Li4TiSi octahedra, and edges with four equivalent O(2)Li4TiSi octahedra. The corner-sharing octahedral tilt angles range from 0-9°.