Li2Ti3(GaO4)3 is beta indium sulfide-derived structured and crystallizes in the monoclinic C2/m space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to two equivalent O(2), two equivalent O(6), and two equivalent O(7) atoms to form LiO6 octahedra that share corners with six equivalent Ga(1)O4 tetrahedra, edges with two equivalent Ti(1)O6 octahedra, edges with two equivalent Ti(2)O6 octahedra, and edges with two equivalent Ga(2)O6 octahedra. In the second Li site, Li(2) is bonded to two equivalent O(3) and four equivalent O(1) atoms to form LiO6 octahedra that share corners with four equivalent Ga(1)O4 tetrahedra, edges with two equivalent Li(3)O6 octahedra, and edges with four equivalent Ti(2)O6 octahedra. In the third Li site, Li(3) is bonded to two equivalent O(4) and four equivalent O(1) atoms to form LiO6 octahedra that share corners with four equivalent Ga(1)O4 tetrahedra, edges with two equivalent Li(2)O6 octahedra, and edges with four equivalent Ti(2)O6 octahedra. There are two inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to two equivalent O(2), two equivalent O(5), and two equivalent O(7) atoms to form TiO6 octahedra that share corners with four equivalent Ga(1)O4 tetrahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Ti(2)O6 octahedra, and edges with two equivalent Ga(2)O6 octahedra. In the second Ti site, Ti(2) 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 TiO6 octahedra that share corners with three equivalent Ga(1)O4 tetrahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Ti(1)O6 octahedra,  an edgeedge with one Ti(2)O6 octahedra, and  an edgeedge with one Ga(2)O6 octahedra. There are two inequivalent Ga sites. In the first Ga site, Ga(1) is bonded to one O(1), one O(2), one O(6), and one O(7) atom to form GaO4 tetrahedra that share  a cornercorner with one Li(2)O6 octahedra,  a cornercorner with one Li(3)O6 octahedra, corners with two equivalent Ti(1)O6 octahedra, corners with two equivalent Ga(2)O6 octahedra, corners with three equivalent Li(1)O6 octahedra, and corners with three equivalent Ti(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 45-60°. In the second Ga site, Ga(2) is bonded to two equivalent O(2), two equivalent O(5), and two equivalent O(6) atoms to form GaO6 octahedra that share corners with four equivalent Ga(1)O4 tetrahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Ti(1)O6 octahedra, and edges with two equivalent Ti(2)O6 octahedra. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Li(2), one Li(3), one Ti(2), and one Ga(1) atom. In the second O site, O(2) is bonded in a rectangular see-saw-like geometry to one Li(1), one Ti(1), one Ga(1), and one Ga(2) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one Li(2) and two equivalent Ti(2) atoms. In the fourth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to one Li(3) and two equivalent Ti(2) atoms. In the fifth O site, O(5) is bonded in a trigonal non-coplanar geometry to one Ti(1), one Ti(2), and one Ga(2) atom. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Li(1), one Ti(2), one Ga(1), and one Ga(2) atom. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Li(1), one Ti(1), one Ti(2), and one Ga(1) atom.
Li2Ti3(GaO4)3 is beta indium sulfide-derived structured and crystallizes in the monoclinic C2/m space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to two equivalent O(2), two equivalent O(6), and two equivalent O(7) atoms to form LiO6 octahedra that share corners with six equivalent Ga(1)O4 tetrahedra, edges with two equivalent Ti(1)O6 octahedra, edges with two equivalent Ti(2)O6 octahedra, and edges with two equivalent Ga(2)O6 octahedra. Both Li(1)-O(2) bond lengths are 2.17 Å. Both Li(1)-O(6) bond lengths are 2.13 Å. Both Li(1)-O(7) bond lengths are 2.17 Å. In the second Li site, Li(2) is bonded to two equivalent O(3) and four equivalent O(1) atoms to form LiO6 octahedra that share corners with four equivalent Ga(1)O4 tetrahedra, edges with two equivalent Li(3)O6 octahedra, and edges with four equivalent Ti(2)O6 octahedra. Both Li(2)-O(3) bond lengths are 1.99 Å. All Li(2)-O(1) bond lengths are 2.20 Å. In the third Li site, Li(3) is bonded to two equivalent O(4) and four equivalent O(1) atoms to form LiO6 octahedra that share corners with four equivalent Ga(1)O4 tetrahedra, edges with two equivalent Li(2)O6 octahedra, and edges with four equivalent Ti(2)O6 octahedra. Both Li(3)-O(4) bond lengths are 2.02 Å. All Li(3)-O(1) bond lengths are 2.21 Å. There are two inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to two equivalent O(2), two equivalent O(5), and two equivalent O(7) atoms to form TiO6 octahedra that share corners with four equivalent Ga(1)O4 tetrahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Ti(2)O6 octahedra, and edges with two equivalent Ga(2)O6 octahedra. Both Ti(1)-O(2) bond lengths are 2.07 Å. Both Ti(1)-O(5) bond lengths are 1.88 Å. Both Ti(1)-O(7) bond lengths are 2.01 Å. In the second Ti site, Ti(2) 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 TiO6 octahedra that share corners with three equivalent Ga(1)O4 tetrahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Ti(1)O6 octahedra,  an edgeedge with one Ti(2)O6 octahedra, and  an edgeedge with one Ga(2)O6 octahedra. The Ti(2)-O(1) bond length is 1.90 Å. The Ti(2)-O(3) bond length is 1.91 Å. The Ti(2)-O(4) bond length is 1.92 Å. The Ti(2)-O(5) bond length is 1.98 Å. The Ti(2)-O(6) bond length is 2.07 Å. The Ti(2)-O(7) bond length is 2.09 Å. There are two inequivalent Ga sites. In the first Ga site, Ga(1) is bonded to one O(1), one O(2), one O(6), and one O(7) atom to form GaO4 tetrahedra that share  a cornercorner with one Li(2)O6 octahedra,  a cornercorner with one Li(3)O6 octahedra, corners with two equivalent Ti(1)O6 octahedra, corners with two equivalent Ga(2)O6 octahedra, corners with three equivalent Li(1)O6 octahedra, and corners with three equivalent Ti(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 45-60°. The Ga(1)-O(1) bond length is 1.86 Å. The Ga(1)-O(2) bond length is 1.89 Å. The Ga(1)-O(6) bond length is 1.88 Å. The Ga(1)-O(7) bond length is 1.88 Å. In the second Ga site, Ga(2) is bonded to two equivalent O(2), two equivalent O(5), and two equivalent O(6) atoms to form GaO6 octahedra that share corners with four equivalent Ga(1)O4 tetrahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Ti(1)O6 octahedra, and edges with two equivalent Ti(2)O6 octahedra. Both Ga(2)-O(2) bond lengths are 2.01 Å. Both Ga(2)-O(5) bond lengths are 2.01 Å. Both Ga(2)-O(6) bond lengths are 2.01 Å. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Li(2), one Li(3), one Ti(2), and one Ga(1) atom. In the second O site, O(2) is bonded in a rectangular see-saw-like geometry to one Li(1), one Ti(1), one Ga(1), and one Ga(2) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one Li(2) and two equivalent Ti(2) atoms. In the fourth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to one Li(3) and two equivalent Ti(2) atoms. In the fifth O site, O(5) is bonded in a trigonal non-coplanar geometry to one Ti(1), one Ti(2), and one Ga(2) atom. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Li(1), one Ti(2), one Ga(1), and one Ga(2) atom. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Li(1), one Ti(1), one Ti(2), and one Ga(1) atom.