Li3Ti2(PO4)3 crystallizes in the triclinic P1 space group. There are six inequivalent Li sites. In the first Li site, Li(1) is bonded in a 3-coordinate geometry to one O(3), one O(5), and one O(9) atom. In the second Li site, Li(2) is bonded in a 4-coordinate geometry to one O(13), one O(15), one O(4), and one O(7) atom. In the third Li site, Li(3) is bonded to one O(14), one O(2), one O(24), and one O(8) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Ti(1)O6 octahedra,  a cornercorner with one Ti(3)O6 octahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra, and  an edgeedge with one Ti(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 64-68°. In the fourth Li site, Li(4) is bonded to one O(1), one O(11), one O(17), and one O(23) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Ti(2)O6 octahedra,  a cornercorner with one Ti(4)O6 octahedra,  a cornercorner with one Li(6)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra, and  an edgeedge with one Ti(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 64-65°. In the fifth Li site, Li(5) is bonded to one O(12), one O(21), one O(24), and one O(6) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Ti(2)O6 octahedra,  a cornercorner with one Ti(4)O6 octahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra, and  an edgeedge with one Ti(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 66-67°. In the sixth Li site, Li(6) is bonded to one O(16), one O(20), one O(23), and one O(6) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Ti(1)O6 octahedra,  a cornercorner with one Ti(3)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra, and  an edgeedge with one Ti(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 64-68°. There are four inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(10), one O(14), one O(20), one O(22), one O(4), and one O(7) atom to form TiO6 octahedra that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. In the second Ti site, Ti(2) is bonded to one O(1), one O(13), one O(16), one O(2), one O(6), and one O(8) atom to form TiO6 octahedra that share  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra,  an edgeedge with one Li(3)O4 tetrahedra, and  an edgeedge with one Li(6)O4 tetrahedra. In the third Ti site, Ti(3) is bonded to one O(12), one O(17), one O(19), one O(23), one O(24), and one O(9) atom to form TiO6 octahedra that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra,  an edgeedge with one Li(4)O4 tetrahedra, and  an edgeedge with one Li(5)O4 tetrahedra. In the fourth Ti site, Ti(4) is bonded to one O(11), one O(15), one O(18), one O(21), one O(3), and one O(5) atom to form TiO6 octahedra that share  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. There are six inequivalent P sites. In the first P site, P(1) is bonded to one O(23), one O(3), one O(4), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Ti(1)O6 octahedra,  a cornercorner with one Ti(2)O6 octahedra,  a cornercorner with one Ti(3)O6 octahedra,  a cornercorner with one Ti(4)O6 octahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra, and  a cornercorner with one Li(6)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 29-49°. In the second P site, P(2) is bonded to one O(11), one O(6), one O(7), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Ti(1)O6 octahedra,  a cornercorner with one Ti(2)O6 octahedra,  a cornercorner with one Ti(3)O6 octahedra,  a cornercorner with one Ti(4)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra, and  a cornercorner with one Li(6)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 31-51°. In the third P site, P(3) is bonded to one O(1), one O(10), one O(12), and one O(5) atom to form PO4 tetrahedra that share  a cornercorner with one Ti(1)O6 octahedra,  a cornercorner with one Ti(2)O6 octahedra,  a cornercorner with one Ti(3)O6 octahedra,  a cornercorner with one Ti(4)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra, and  a cornercorner with one Li(5)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 24-48°. In the fourth P site, P(4) is bonded to one O(13), one O(15), one O(20), and one O(24) atom to form PO4 tetrahedra that share  a cornercorner with one Ti(1)O6 octahedra,  a cornercorner with one Ti(2)O6 octahedra,  a cornercorner with one Ti(3)O6 octahedra,  a cornercorner with one Ti(4)O6 octahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra, and  a cornercorner with one Li(6)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 25-51°. In the fifth P site, P(5) is bonded to one O(14), one O(16), one O(18), and one O(19) atom to form PO4 tetrahedra that share  a cornercorner with one Ti(1)O6 octahedra,  a cornercorner with one Ti(2)O6 octahedra,  a cornercorner with one Ti(3)O6 octahedra,  a cornercorner with one Ti(4)O6 octahedra,  a cornercorner with one Li(3)O4 tetrahedra, and  a cornercorner with one Li(6)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 25-47°. In the sixth P site, P(6) is bonded to one O(17), one O(2), one O(21), and one O(22) atom to form PO4 tetrahedra that share  a cornercorner with one Ti(1)O6 octahedra,  a cornercorner with one Ti(2)O6 octahedra,  a cornercorner with one Ti(3)O6 octahedra,  a cornercorner with one Ti(4)O6 octahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra, and  a cornercorner with one Li(5)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 24-48°. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Li(4), one Ti(2), and one P(3) atom. In the second O site, O(2) is bonded in a distorted T-shaped geometry to one Li(3), one Ti(2), and one P(6) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one Li(1), one Ti(4), and one P(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Li(2), one Ti(1), and one P(1) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Li(1), one Ti(4), and one P(3) atom. In the sixth O site, O(6) is bonded to one Li(5), one Li(6), one Ti(2), and one P(2) atom to form distorted corner-sharing OLi2TiP tetrahedra. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Li(2), one Ti(1), and one P(2) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Li(3), one Ti(2), and one P(1) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one Li(1), one Ti(3), and one P(2) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one Ti(1) and one P(3) atom. In the eleventh O site, O(11) is bonded in a trigonal planar geometry to one Li(4), one Ti(4), and one P(2) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal planar geometry to one Li(5), one Ti(3), and one P(3) atom. In the thirteenth O site, O(13) is bonded in a distorted trigonal planar geometry to one Li(2), one Ti(2), and one P(4) atom. In the fourteenth O site, O(14) is bonded in a trigonal planar geometry to one Li(3), one Ti(1), and one P(5) atom. In the fifteenth O site, O(15) is bonded in a 3-coordinate geometry to one Li(2), one Ti(4), and one P(4) atom. In the sixteenth O site, O(16) is bonded in a distorted trigonal planar geometry to one Li(6), one Ti(2), and one P(5) atom. In the seventeenth O site, O(17) is bonded in a distorted trigonal planar geometry to one Li(4), one Ti(3), and one P(6) atom. In the eighteenth O site, O(18) is bonded in a bent 150 degrees geometry to one Ti(4) and one P(5) atom. In the nineteenth O site, O(19) is bonded in a distorted bent 150 degrees geometry to one Ti(3) and one P(5) atom. In the twentieth O site, O(20) is bonded in a trigonal planar geometry to one Li(6), one Ti(1), and one P(4) atom. In the twenty-first O site, O(21) is bonded in a trigonal planar geometry to one Li(5), one Ti(4), and one P(6) atom. In the twenty-second O site, O(22) is bonded in a bent 150 degrees geometry to one Ti(1) and one P(6) atom. In the twenty-third O site, O(23) is bonded to one Li(4), one Li(6), one Ti(3), and one P(1) atom to form corner-sharing OLi2TiP tetrahedra. In the twenty-fourth O site, O(24) is bonded to one Li(3), one Li(5), one Ti(3), and one P(4) atom to form distorted corner-sharing OLi2TiP tetrahedra.
Li3Ti2(PO4)3 crystallizes in the triclinic P1 space group. There are six inequivalent Li sites. In the first Li site, Li(1) is bonded in a 3-coordinate geometry to one O(3), one O(5), and one O(9) atom. The Li(1)-O(3) bond length is 2.08 Å. The Li(1)-O(5) bond length is 1.97 Å. The Li(1)-O(9) bond length is 1.98 Å. In the second Li site, Li(2) is bonded in a 4-coordinate geometry to one O(13), one O(15), one O(4), and one O(7) atom. The Li(2)-O(13) bond length is 1.99 Å. The Li(2)-O(15) bond length is 2.52 Å. The Li(2)-O(4) bond length is 1.99 Å. The Li(2)-O(7) bond length is 2.08 Å. In the third Li site, Li(3) is bonded to one O(14), one O(2), one O(24), and one O(8) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Ti(1)O6 octahedra,  a cornercorner with one Ti(3)O6 octahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra, and  an edgeedge with one Ti(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 64-68°. The Li(3)-O(14) bond length is 1.96 Å. The Li(3)-O(2) bond length is 2.15 Å. The Li(3)-O(24) bond length is 2.03 Å. The Li(3)-O(8) bond length is 1.99 Å. In the fourth Li site, Li(4) is bonded to one O(1), one O(11), one O(17), and one O(23) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Ti(2)O6 octahedra,  a cornercorner with one Ti(4)O6 octahedra,  a cornercorner with one Li(6)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra, and  an edgeedge with one Ti(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 64-65°. The Li(4)-O(1) bond length is 1.95 Å. The Li(4)-O(11) bond length is 1.97 Å. The Li(4)-O(17) bond length is 1.99 Å. The Li(4)-O(23) bond length is 2.19 Å. In the fifth Li site, Li(5) is bonded to one O(12), one O(21), one O(24), and one O(6) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Ti(2)O6 octahedra,  a cornercorner with one Ti(4)O6 octahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra, and  an edgeedge with one Ti(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 66-67°. The Li(5)-O(12) bond length is 1.96 Å. The Li(5)-O(21) bond length is 1.97 Å. The Li(5)-O(24) bond length is 2.16 Å. The Li(5)-O(6) bond length is 2.02 Å. In the sixth Li site, Li(6) is bonded to one O(16), one O(20), one O(23), and one O(6) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Ti(1)O6 octahedra,  a cornercorner with one Ti(3)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra, and  an edgeedge with one Ti(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 64-68°. The Li(6)-O(16) bond length is 1.95 Å. The Li(6)-O(20) bond length is 1.97 Å. The Li(6)-O(23) bond length is 1.98 Å. The Li(6)-O(6) bond length is 2.21 Å. There are four inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(10), one O(14), one O(20), one O(22), one O(4), and one O(7) atom to form TiO6 octahedra that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. The Ti(1)-O(10) bond length is 1.91 Å. The Ti(1)-O(14) bond length is 2.12 Å. The Ti(1)-O(20) bond length is 2.08 Å. The Ti(1)-O(22) bond length is 2.03 Å. The Ti(1)-O(4) bond length is 2.15 Å. The Ti(1)-O(7) bond length is 2.11 Å. In the second Ti site, Ti(2) is bonded to one O(1), one O(13), one O(16), one O(2), one O(6), and one O(8) atom to form TiO6 octahedra that share  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra,  an edgeedge with one Li(3)O4 tetrahedra, and  an edgeedge with one Li(6)O4 tetrahedra. The Ti(2)-O(1) bond length is 2.06 Å. The Ti(2)-O(13) bond length is 2.06 Å. The Ti(2)-O(16) bond length is 2.09 Å. The Ti(2)-O(2) bond length is 2.04 Å. The Ti(2)-O(6) bond length is 2.13 Å. The Ti(2)-O(8) bond length is 2.06 Å. In the third Ti site, Ti(3) is bonded to one O(12), one O(17), one O(19), one O(23), one O(24), and one O(9) atom to form TiO6 octahedra that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra,  an edgeedge with one Li(4)O4 tetrahedra, and  an edgeedge with one Li(5)O4 tetrahedra. The Ti(3)-O(12) bond length is 2.06 Å. The Ti(3)-O(17) bond length is 2.10 Å. The Ti(3)-O(19) bond length is 1.95 Å. The Ti(3)-O(23) bond length is 2.15 Å. The Ti(3)-O(24) bond length is 2.13 Å. The Ti(3)-O(9) bond length is 2.06 Å. In the fourth Ti site, Ti(4) is bonded to one O(11), one O(15), one O(18), one O(21), one O(3), and one O(5) atom to form TiO6 octahedra that share  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. The Ti(4)-O(11) bond length is 2.12 Å. The Ti(4)-O(15) bond length is 2.05 Å. The Ti(4)-O(18) bond length is 1.96 Å. The Ti(4)-O(21) bond length is 2.09 Å. The Ti(4)-O(3) bond length is 2.07 Å. The Ti(4)-O(5) bond length is 2.12 Å. There are six inequivalent P sites. In the first P site, P(1) is bonded to one O(23), one O(3), one O(4), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Ti(1)O6 octahedra,  a cornercorner with one Ti(2)O6 octahedra,  a cornercorner with one Ti(3)O6 octahedra,  a cornercorner with one Ti(4)O6 octahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra, and  a cornercorner with one Li(6)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 29-49°. The P(1)-O(23) bond length is 1.58 Å. The P(1)-O(3) bond length is 1.54 Å. The P(1)-O(4) bond length is 1.55 Å. The P(1)-O(8) bond length is 1.55 Å. In the second P site, P(2) is bonded to one O(11), one O(6), one O(7), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Ti(1)O6 octahedra,  a cornercorner with one Ti(2)O6 octahedra,  a cornercorner with one Ti(3)O6 octahedra,  a cornercorner with one Ti(4)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra, and  a cornercorner with one Li(6)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 31-51°. The P(2)-O(11) bond length is 1.55 Å. The P(2)-O(6) bond length is 1.57 Å. The P(2)-O(7) bond length is 1.54 Å. The P(2)-O(9) bond length is 1.55 Å. In the third P site, P(3) is bonded to one O(1), one O(10), one O(12), and one O(5) atom to form PO4 tetrahedra that share  a cornercorner with one Ti(1)O6 octahedra,  a cornercorner with one Ti(2)O6 octahedra,  a cornercorner with one Ti(3)O6 octahedra,  a cornercorner with one Ti(4)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra, and  a cornercorner with one Li(5)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 24-48°. The P(3)-O(1) bond length is 1.56 Å. The P(3)-O(10) bond length is 1.55 Å. The P(3)-O(12) bond length is 1.55 Å. The P(3)-O(5) bond length is 1.55 Å. In the fourth P site, P(4) is bonded to one O(13), one O(15), one O(20), and one O(24) atom to form PO4 tetrahedra that share  a cornercorner with one Ti(1)O6 octahedra,  a cornercorner with one Ti(2)O6 octahedra,  a cornercorner with one Ti(3)O6 octahedra,  a cornercorner with one Ti(4)O6 octahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra, and  a cornercorner with one Li(6)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 25-51°. The P(4)-O(13) bond length is 1.56 Å. The P(4)-O(15) bond length is 1.53 Å. The P(4)-O(20) bond length is 1.55 Å. The P(4)-O(24) bond length is 1.57 Å. In the fifth P site, P(5) is bonded to one O(14), one O(16), one O(18), and one O(19) atom to form PO4 tetrahedra that share  a cornercorner with one Ti(1)O6 octahedra,  a cornercorner with one Ti(2)O6 octahedra,  a cornercorner with one Ti(3)O6 octahedra,  a cornercorner with one Ti(4)O6 octahedra,  a cornercorner with one Li(3)O4 tetrahedra, and  a cornercorner with one Li(6)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 25-47°. The P(5)-O(14) bond length is 1.55 Å. The P(5)-O(16) bond length is 1.55 Å. The P(5)-O(18) bond length is 1.55 Å. The P(5)-O(19) bond length is 1.56 Å. In the sixth P site, P(6) is bonded to one O(17), one O(2), one O(21), and one O(22) atom to form PO4 tetrahedra that share  a cornercorner with one Ti(1)O6 octahedra,  a cornercorner with one Ti(2)O6 octahedra,  a cornercorner with one Ti(3)O6 octahedra,  a cornercorner with one Ti(4)O6 octahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra, and  a cornercorner with one Li(5)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 24-48°. The P(6)-O(17) bond length is 1.56 Å. The P(6)-O(2) bond length is 1.57 Å. The P(6)-O(21) bond length is 1.56 Å. The P(6)-O(22) bond length is 1.53 Å. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Li(4), one Ti(2), and one P(3) atom. In the second O site, O(2) is bonded in a distorted T-shaped geometry to one Li(3), one Ti(2), and one P(6) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one Li(1), one Ti(4), and one P(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Li(2), one Ti(1), and one P(1) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Li(1), one Ti(4), and one P(3) atom. In the sixth O site, O(6) is bonded to one Li(5), one Li(6), one Ti(2), and one P(2) atom to form distorted corner-sharing OLi2TiP tetrahedra. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Li(2), one Ti(1), and one P(2) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Li(3), one Ti(2), and one P(1) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one Li(1), one Ti(3), and one P(2) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one Ti(1) and one P(3) atom. In the eleventh O site, O(11) is bonded in a trigonal planar geometry to one Li(4), one Ti(4), and one P(2) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal planar geometry to one Li(5), one Ti(3), and one P(3) atom. In the thirteenth O site, O(13) is bonded in a distorted trigonal planar geometry to one Li(2), one Ti(2), and one P(4) atom. In the fourteenth O site, O(14) is bonded in a trigonal planar geometry to one Li(3), one Ti(1), and one P(5) atom. In the fifteenth O site, O(15) is bonded in a 3-coordinate geometry to one Li(2), one Ti(4), and one P(4) atom. In the sixteenth O site, O(16) is bonded in a distorted trigonal planar geometry to one Li(6), one Ti(2), and one P(5) atom. In the seventeenth O site, O(17) is bonded in a distorted trigonal planar geometry to one Li(4), one Ti(3), and one P(6) atom. In the eighteenth O site, O(18) is bonded in a bent 150 degrees geometry to one Ti(4) and one P(5) atom. In the nineteenth O site, O(19) is bonded in a distorted bent 150 degrees geometry to one Ti(3) and one P(5) atom. In the twentieth O site, O(20) is bonded in a trigonal planar geometry to one Li(6), one Ti(1), and one P(4) atom. In the twenty-first O site, O(21) is bonded in a trigonal planar geometry to one Li(5), one Ti(4), and one P(6) atom. In the twenty-second O site, O(22) is bonded in a bent 150 degrees geometry to one Ti(1) and one P(6) atom. In the twenty-third O site, O(23) is bonded to one Li(4), one Li(6), one Ti(3), and one P(1) atom to form corner-sharing OLi2TiP tetrahedra. In the twenty-fourth O site, O(24) is bonded to one Li(3), one Li(5), one Ti(3), and one P(4) atom to form distorted corner-sharing OLi2TiP tetrahedra.