Li4Ti3Cr3(CuO8)2 is Spinel-derived structured and crystallizes in the triclinic P1 space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(11), one O(12), one O(15), and one O(3) atom to form LiO4 tetrahedra that share  a cornercorner with one Ti(1)O6 octahedra,  a cornercorner with one Ti(2)O6 octahedra,  a cornercorner with one Cr(1)O6 octahedra, corners with two equivalent Ti(3)O6 octahedra, corners with two equivalent Cr(2)O6 octahedra, corners with two equivalent Cr(3)O6 octahedra, and corners with three equivalent Cu(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 56-69°. In the second Li site, Li(2) is bonded in a rectangular see-saw-like geometry to one O(14), one O(16), one O(5), and one O(9) atom. In the third Li site, Li(3) is bonded in a rectangular see-saw-like geometry to one O(1), one O(10), one O(4), and one O(6) atom. In the fourth Li site, Li(4) is bonded to one O(13), one O(2), one O(7), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Ti(3)O6 octahedra,  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Cr(3)O6 octahedra, corners with two equivalent Ti(1)O6 octahedra, corners with two equivalent Ti(2)O6 octahedra, corners with two equivalent Cr(1)O6 octahedra, and corners with three equivalent Cu(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-67°. There are three inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(14), one O(2), one O(3), one O(4), one O(7), and one O(9) atom to form TiO6 octahedra that share corners with two equivalent Cu(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Cu(1)O6 octahedra, edges with two equivalent Ti(2)O6 octahedra, and edges with two equivalent Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-54°. In the second Ti site, Ti(2) is bonded to one O(16), one O(2), one O(3), one O(4), one O(8), and one O(9) atom to form TiO6 octahedra that share corners with two equivalent Cu(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Cu(1)O6 octahedra, edges with two equivalent Ti(1)O6 octahedra, and edges with two equivalent Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-54°. In the third Ti site, Ti(3) is bonded to one O(1), one O(11), one O(12), one O(13), one O(5), and one O(6) atom to form TiO6 octahedra that share corners with two equivalent Cu(1)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  an edgeedge with one Cu(2)O6 octahedra, edges with two equivalent Cr(2)O6 octahedra, and edges with two equivalent Cr(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-53°. There are three inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(14), one O(16), one O(3), one O(4), one O(7), and one O(8) atom to form CrO6 octahedra that share corners with two equivalent Cu(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Cu(1)O6 octahedra, edges with two equivalent Ti(1)O6 octahedra, and edges with two equivalent Ti(2)O6 octahedra. The corner-sharing octahedral tilt angles are 50°. In the second Cr site, Cr(2) is bonded to one O(1), one O(10), one O(11), one O(13), one O(15), and one O(5) atom to form CrO6 octahedra that share corners with two equivalent Cu(1)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  an edgeedge with one Cu(2)O6 octahedra, edges with two equivalent Ti(3)O6 octahedra, and edges with two equivalent Cr(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-54°. In the third Cr site, Cr(3) is bonded to one O(10), one O(12), one O(13), one O(15), one O(5), and one O(6) atom to form CrO6 octahedra that share corners with two equivalent Cu(1)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  an edgeedge with one Cu(2)O6 octahedra, edges with two equivalent Ti(3)O6 octahedra, and edges with two equivalent Cr(2)O6 octahedra. The corner-sharing octahedral tilt angles are 53°. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(1), one O(10), one O(2), one O(6), one O(7), and one O(8) atom to form CuO6 octahedra that share corners with two equivalent Ti(3)O6 octahedra, corners with two equivalent Cr(2)O6 octahedra, corners with two equivalent Cr(3)O6 octahedra, corners with three equivalent Li(4)O4 tetrahedra,  an edgeedge with one Ti(1)O6 octahedra,  an edgeedge with one Ti(2)O6 octahedra, and  an edgeedge with one Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-54°. In the second Cu site, Cu(2) is bonded to one O(11), one O(12), one O(14), one O(15), one O(16), and one O(9) atom to form CuO6 octahedra that share corners with two equivalent Ti(1)O6 octahedra, corners with two equivalent Ti(2)O6 octahedra, corners with two equivalent Cr(1)O6 octahedra, corners with three equivalent Li(1)O4 tetrahedra,  an edgeedge with one Ti(3)O6 octahedra,  an edgeedge with one Cr(2)O6 octahedra, and  an edgeedge with one Cr(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-54°. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Li(3), one Ti(3), one Cr(2), and one Cu(1) atom. In the second O site, O(2) is bonded to one Li(4), one Ti(1), one Ti(2), and one Cu(1) atom to form distorted OLiTi2Cu tetrahedra that share  a cornercorner with one O(7)LiTiCrCu tetrahedra,  a cornercorner with one O(8)LiTiCrCu tetrahedra, corners with two equivalent O(4)LiTi2Cr tetrahedra,  a cornercorner with one O(10)LiCr2Cu trigonal pyramid,  an edgeedge with one O(7)LiTiCrCu tetrahedra, and  an edgeedge with one O(8)LiTiCrCu tetrahedra. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Li(1), one Ti(1), one Ti(2), and one Cr(1) atom. In the fourth O site, O(4) is bonded to one Li(3), one Ti(1), one Ti(2), and one Cr(1) atom to form distorted OLiTi2Cr tetrahedra that share corners with two equivalent O(2)LiTi2Cu tetrahedra, corners with two equivalent O(7)LiTiCrCu tetrahedra, corners with two equivalent O(8)LiTiCrCu tetrahedra, and  a cornercorner with one O(10)LiCr2Cu trigonal pyramid. In the fifth O site, O(5) is bonded to one Li(2), one Ti(3), one Cr(2), and one Cr(3) atom to form distorted OLiTiCr2 tetrahedra that share corners with two equivalent O(15)LiCr2Cu tetrahedra, corners with two equivalent O(11)LiTiCrCu tetrahedra, corners with two equivalent O(12)LiTiCrCu tetrahedra, and  an edgeedge with one O(10)LiCr2Cu trigonal pyramid. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Li(3), one Ti(3), one Cr(3), and one Cu(1) atom. In the seventh O site, O(7) is bonded to one Li(4), one Ti(1), one Cr(1), and one Cu(1) atom to form distorted OLiTiCrCu tetrahedra that share  a cornercorner with one O(2)LiTi2Cu tetrahedra,  a cornercorner with one O(8)LiTiCrCu tetrahedra, corners with two equivalent O(4)LiTi2Cr tetrahedra,  a cornercorner with one O(10)LiCr2Cu trigonal pyramid,  an edgeedge with one O(2)LiTi2Cu tetrahedra, and  an edgeedge with one O(8)LiTiCrCu tetrahedra. In the eighth O site, O(8) is bonded to one Li(4), one Ti(2), one Cr(1), and one Cu(1) atom to form distorted OLiTiCrCu tetrahedra that share  a cornercorner with one O(2)LiTi2Cu tetrahedra,  a cornercorner with one O(7)LiTiCrCu tetrahedra, corners with two equivalent O(4)LiTi2Cr tetrahedra,  a cornercorner with one O(10)LiCr2Cu trigonal pyramid,  an edgeedge with one O(2)LiTi2Cu tetrahedra, and  an edgeedge with one O(7)LiTiCrCu tetrahedra. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Li(2), one Ti(1), one Ti(2), and one Cu(2) atom. In the tenth O site, O(10) is bonded to one Li(3), one Cr(2), one Cr(3), and one Cu(1) atom to form distorted OLiCr2Cu trigonal pyramids that share  a cornercorner with one O(4)LiTi2Cr tetrahedra,  a cornercorner with one O(2)LiTi2Cu tetrahedra,  a cornercorner with one O(11)LiTiCrCu tetrahedra,  a cornercorner with one O(12)LiTiCrCu tetrahedra,  a cornercorner with one O(7)LiTiCrCu tetrahedra,  a cornercorner with one O(8)LiTiCrCu tetrahedra, corners with two equivalent O(15)LiCr2Cu tetrahedra, and  an edgeedge with one O(5)LiTiCr2 tetrahedra. In the eleventh O site, O(11) is bonded to one Li(1), one Ti(3), one Cr(2), and one Cu(2) atom to form distorted OLiTiCrCu tetrahedra that share  a cornercorner with one O(15)LiCr2Cu tetrahedra,  a cornercorner with one O(12)LiTiCrCu tetrahedra, corners with two equivalent O(5)LiTiCr2 tetrahedra,  a cornercorner with one O(10)LiCr2Cu trigonal pyramid,  an edgeedge with one O(15)LiCr2Cu tetrahedra, and  an edgeedge with one O(12)LiTiCrCu tetrahedra. In the twelfth O site, O(12) is bonded to one Li(1), one Ti(3), one Cr(3), and one Cu(2) atom to form distorted OLiTiCrCu tetrahedra that share  a cornercorner with one O(15)LiCr2Cu tetrahedra,  a cornercorner with one O(11)LiTiCrCu tetrahedra, corners with two equivalent O(5)LiTiCr2 tetrahedra,  a cornercorner with one O(10)LiCr2Cu trigonal pyramid,  an edgeedge with one O(15)LiCr2Cu tetrahedra, and  an edgeedge with one O(11)LiTiCrCu tetrahedra. In the thirteenth O site, O(13) is bonded in a rectangular see-saw-like geometry to one Li(4), one Ti(3), one Cr(2), and one Cr(3) atom. In the fourteenth O site, O(14) is bonded in a rectangular see-saw-like geometry to one Li(2), one Ti(1), one Cr(1), and one Cu(2) atom. In the fifteenth O site, O(15) is bonded to one Li(1), one Cr(2), one Cr(3), and one Cu(2) atom to form distorted OLiCr2Cu tetrahedra that share  a cornercorner with one O(11)LiTiCrCu tetrahedra,  a cornercorner with one O(12)LiTiCrCu tetrahedra, corners with two equivalent O(5)LiTiCr2 tetrahedra, corners with two equivalent O(10)LiCr2Cu trigonal pyramids,  an edgeedge with one O(11)LiTiCrCu tetrahedra, and  an edgeedge with one O(12)LiTiCrCu tetrahedra. In the sixteenth O site, O(16) is bonded in a rectangular see-saw-like geometry to one Li(2), one Ti(2), one Cr(1), and one Cu(2) atom.
Li4Ti3Cr3(CuO8)2 is Spinel-derived structured and crystallizes in the triclinic P1 space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(11), one O(12), one O(15), and one O(3) atom to form LiO4 tetrahedra that share  a cornercorner with one Ti(1)O6 octahedra,  a cornercorner with one Ti(2)O6 octahedra,  a cornercorner with one Cr(1)O6 octahedra, corners with two equivalent Ti(3)O6 octahedra, corners with two equivalent Cr(2)O6 octahedra, corners with two equivalent Cr(3)O6 octahedra, and corners with three equivalent Cu(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 56-69°. The Li(1)-O(11) bond length is 1.96 Å. The Li(1)-O(12) bond length is 1.96 Å. The Li(1)-O(15) bond length is 1.99 Å. The Li(1)-O(3) bond length is 2.01 Å. In the second Li site, Li(2) is bonded in a rectangular see-saw-like geometry to one O(14), one O(16), one O(5), and one O(9) atom. The Li(2)-O(14) bond length is 1.91 Å. The Li(2)-O(16) bond length is 1.91 Å. The Li(2)-O(5) bond length is 1.79 Å. The Li(2)-O(9) bond length is 1.95 Å. In the third Li site, Li(3) is bonded in a rectangular see-saw-like geometry to one O(1), one O(10), one O(4), and one O(6) atom. The Li(3)-O(1) bond length is 1.92 Å. The Li(3)-O(10) bond length is 1.91 Å. The Li(3)-O(4) bond length is 1.78 Å. The Li(3)-O(6) bond length is 1.94 Å. In the fourth Li site, Li(4) is bonded to one O(13), one O(2), one O(7), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Ti(3)O6 octahedra,  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Cr(3)O6 octahedra, corners with two equivalent Ti(1)O6 octahedra, corners with two equivalent Ti(2)O6 octahedra, corners with two equivalent Cr(1)O6 octahedra, and corners with three equivalent Cu(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-67°. The Li(4)-O(13) bond length is 2.02 Å. The Li(4)-O(2) bond length is 1.93 Å. The Li(4)-O(7) bond length is 1.97 Å. The Li(4)-O(8) bond length is 1.96 Å. There are three inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(14), one O(2), one O(3), one O(4), one O(7), and one O(9) atom to form TiO6 octahedra that share corners with two equivalent Cu(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Cu(1)O6 octahedra, edges with two equivalent Ti(2)O6 octahedra, and edges with two equivalent Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-54°. The Ti(1)-O(14) bond length is 2.00 Å. The Ti(1)-O(2) bond length is 1.95 Å. The Ti(1)-O(3) bond length is 1.98 Å. The Ti(1)-O(4) bond length is 1.98 Å. The Ti(1)-O(7) bond length is 1.96 Å. The Ti(1)-O(9) bond length is 1.96 Å. In the second Ti site, Ti(2) is bonded to one O(16), one O(2), one O(3), one O(4), one O(8), and one O(9) atom to form TiO6 octahedra that share corners with two equivalent Cu(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Cu(1)O6 octahedra, edges with two equivalent Ti(1)O6 octahedra, and edges with two equivalent Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-54°. The Ti(2)-O(16) bond length is 2.01 Å. The Ti(2)-O(2) bond length is 1.96 Å. The Ti(2)-O(3) bond length is 1.99 Å. The Ti(2)-O(4) bond length is 1.97 Å. The Ti(2)-O(8) bond length is 1.95 Å. The Ti(2)-O(9) bond length is 1.96 Å. In the third Ti site, Ti(3) is bonded to one O(1), one O(11), one O(12), one O(13), one O(5), and one O(6) atom to form TiO6 octahedra that share corners with two equivalent Cu(1)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  an edgeedge with one Cu(2)O6 octahedra, edges with two equivalent Cr(2)O6 octahedra, and edges with two equivalent Cr(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-53°. The Ti(3)-O(1) bond length is 2.01 Å. The Ti(3)-O(11) bond length is 1.95 Å. The Ti(3)-O(12) bond length is 1.87 Å. The Ti(3)-O(13) bond length is 2.01 Å. The Ti(3)-O(5) bond length is 1.95 Å. The Ti(3)-O(6) bond length is 2.11 Å. There are three inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(14), one O(16), one O(3), one O(4), one O(7), and one O(8) atom to form CrO6 octahedra that share corners with two equivalent Cu(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Cu(1)O6 octahedra, edges with two equivalent Ti(1)O6 octahedra, and edges with two equivalent Ti(2)O6 octahedra. The corner-sharing octahedral tilt angles are 50°. The Cr(1)-O(14) bond length is 1.94 Å. The Cr(1)-O(16) bond length is 1.93 Å. The Cr(1)-O(3) bond length is 1.98 Å. The Cr(1)-O(4) bond length is 1.96 Å. The Cr(1)-O(7) bond length is 1.91 Å. The Cr(1)-O(8) bond length is 1.92 Å. In the second Cr site, Cr(2) is bonded to one O(1), one O(10), one O(11), one O(13), one O(15), and one O(5) atom to form CrO6 octahedra that share corners with two equivalent Cu(1)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  an edgeedge with one Cu(2)O6 octahedra, edges with two equivalent Ti(3)O6 octahedra, and edges with two equivalent Cr(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-54°. The Cr(2)-O(1) bond length is 1.92 Å. The Cr(2)-O(10) bond length is 1.94 Å. The Cr(2)-O(11) bond length is 1.92 Å. The Cr(2)-O(13) bond length is 1.95 Å. The Cr(2)-O(15) bond length is 1.92 Å. The Cr(2)-O(5) bond length is 1.99 Å. In the third Cr site, Cr(3) is bonded to one O(10), one O(12), one O(13), one O(15), one O(5), and one O(6) atom to form CrO6 octahedra that share corners with two equivalent Cu(1)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  an edgeedge with one Cu(2)O6 octahedra, edges with two equivalent Ti(3)O6 octahedra, and edges with two equivalent Cr(2)O6 octahedra. The corner-sharing octahedral tilt angles are 53°. The Cr(3)-O(10) bond length is 1.93 Å. The Cr(3)-O(12) bond length is 2.01 Å. The Cr(3)-O(13) bond length is 1.94 Å. The Cr(3)-O(15) bond length is 1.90 Å. The Cr(3)-O(5) bond length is 1.98 Å. The Cr(3)-O(6) bond length is 1.85 Å. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(1), one O(10), one O(2), one O(6), one O(7), and one O(8) atom to form CuO6 octahedra that share corners with two equivalent Ti(3)O6 octahedra, corners with two equivalent Cr(2)O6 octahedra, corners with two equivalent Cr(3)O6 octahedra, corners with three equivalent Li(4)O4 tetrahedra,  an edgeedge with one Ti(1)O6 octahedra,  an edgeedge with one Ti(2)O6 octahedra, and  an edgeedge with one Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-54°. The Cu(1)-O(1) bond length is 2.04 Å. The Cu(1)-O(10) bond length is 2.13 Å. The Cu(1)-O(2) bond length is 2.20 Å. The Cu(1)-O(6) bond length is 2.04 Å. The Cu(1)-O(7) bond length is 2.22 Å. The Cu(1)-O(8) bond length is 2.22 Å. In the second Cu site, Cu(2) is bonded to one O(11), one O(12), one O(14), one O(15), one O(16), and one O(9) atom to form CuO6 octahedra that share corners with two equivalent Ti(1)O6 octahedra, corners with two equivalent Ti(2)O6 octahedra, corners with two equivalent Cr(1)O6 octahedra, corners with three equivalent Li(1)O4 tetrahedra,  an edgeedge with one Ti(3)O6 octahedra,  an edgeedge with one Cr(2)O6 octahedra, and  an edgeedge with one Cr(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-54°. The Cu(2)-O(11) bond length is 2.20 Å. The Cu(2)-O(12) bond length is 2.19 Å. The Cu(2)-O(14) bond length is 2.07 Å. The Cu(2)-O(15) bond length is 2.24 Å. The Cu(2)-O(16) bond length is 2.07 Å. The Cu(2)-O(9) bond length is 2.08 Å. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Li(3), one Ti(3), one Cr(2), and one Cu(1) atom. In the second O site, O(2) is bonded to one Li(4), one Ti(1), one Ti(2), and one Cu(1) atom to form distorted OLiTi2Cu tetrahedra that share  a cornercorner with one O(7)LiTiCrCu tetrahedra,  a cornercorner with one O(8)LiTiCrCu tetrahedra, corners with two equivalent O(4)LiTi2Cr tetrahedra,  a cornercorner with one O(10)LiCr2Cu trigonal pyramid,  an edgeedge with one O(7)LiTiCrCu tetrahedra, and  an edgeedge with one O(8)LiTiCrCu tetrahedra. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Li(1), one Ti(1), one Ti(2), and one Cr(1) atom. In the fourth O site, O(4) is bonded to one Li(3), one Ti(1), one Ti(2), and one Cr(1) atom to form distorted OLiTi2Cr tetrahedra that share corners with two equivalent O(2)LiTi2Cu tetrahedra, corners with two equivalent O(7)LiTiCrCu tetrahedra, corners with two equivalent O(8)LiTiCrCu tetrahedra, and  a cornercorner with one O(10)LiCr2Cu trigonal pyramid. In the fifth O site, O(5) is bonded to one Li(2), one Ti(3), one Cr(2), and one Cr(3) atom to form distorted OLiTiCr2 tetrahedra that share corners with two equivalent O(15)LiCr2Cu tetrahedra, corners with two equivalent O(11)LiTiCrCu tetrahedra, corners with two equivalent O(12)LiTiCrCu tetrahedra, and  an edgeedge with one O(10)LiCr2Cu trigonal pyramid. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Li(3), one Ti(3), one Cr(3), and one Cu(1) atom. In the seventh O site, O(7) is bonded to one Li(4), one Ti(1), one Cr(1), and one Cu(1) atom to form distorted OLiTiCrCu tetrahedra that share  a cornercorner with one O(2)LiTi2Cu tetrahedra,  a cornercorner with one O(8)LiTiCrCu tetrahedra, corners with two equivalent O(4)LiTi2Cr tetrahedra,  a cornercorner with one O(10)LiCr2Cu trigonal pyramid,  an edgeedge with one O(2)LiTi2Cu tetrahedra, and  an edgeedge with one O(8)LiTiCrCu tetrahedra. In the eighth O site, O(8) is bonded to one Li(4), one Ti(2), one Cr(1), and one Cu(1) atom to form distorted OLiTiCrCu tetrahedra that share  a cornercorner with one O(2)LiTi2Cu tetrahedra,  a cornercorner with one O(7)LiTiCrCu tetrahedra, corners with two equivalent O(4)LiTi2Cr tetrahedra,  a cornercorner with one O(10)LiCr2Cu trigonal pyramid,  an edgeedge with one O(2)LiTi2Cu tetrahedra, and  an edgeedge with one O(7)LiTiCrCu tetrahedra. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Li(2), one Ti(1), one Ti(2), and one Cu(2) atom. In the tenth O site, O(10) is bonded to one Li(3), one Cr(2), one Cr(3), and one Cu(1) atom to form distorted OLiCr2Cu trigonal pyramids that share  a cornercorner with one O(4)LiTi2Cr tetrahedra,  a cornercorner with one O(2)LiTi2Cu tetrahedra,  a cornercorner with one O(11)LiTiCrCu tetrahedra,  a cornercorner with one O(12)LiTiCrCu tetrahedra,  a cornercorner with one O(7)LiTiCrCu tetrahedra,  a cornercorner with one O(8)LiTiCrCu tetrahedra, corners with two equivalent O(15)LiCr2Cu tetrahedra, and  an edgeedge with one O(5)LiTiCr2 tetrahedra. In the eleventh O site, O(11) is bonded to one Li(1), one Ti(3), one Cr(2), and one Cu(2) atom to form distorted OLiTiCrCu tetrahedra that share  a cornercorner with one O(15)LiCr2Cu tetrahedra,  a cornercorner with one O(12)LiTiCrCu tetrahedra, corners with two equivalent O(5)LiTiCr2 tetrahedra,  a cornercorner with one O(10)LiCr2Cu trigonal pyramid,  an edgeedge with one O(15)LiCr2Cu tetrahedra, and  an edgeedge with one O(12)LiTiCrCu tetrahedra. In the twelfth O site, O(12) is bonded to one Li(1), one Ti(3), one Cr(3), and one Cu(2) atom to form distorted OLiTiCrCu tetrahedra that share  a cornercorner with one O(15)LiCr2Cu tetrahedra,  a cornercorner with one O(11)LiTiCrCu tetrahedra, corners with two equivalent O(5)LiTiCr2 tetrahedra,  a cornercorner with one O(10)LiCr2Cu trigonal pyramid,  an edgeedge with one O(15)LiCr2Cu tetrahedra, and  an edgeedge with one O(11)LiTiCrCu tetrahedra. In the thirteenth O site, O(13) is bonded in a rectangular see-saw-like geometry to one Li(4), one Ti(3), one Cr(2), and one Cr(3) atom. In the fourteenth O site, O(14) is bonded in a rectangular see-saw-like geometry to one Li(2), one Ti(1), one Cr(1), and one Cu(2) atom. In the fifteenth O site, O(15) is bonded to one Li(1), one Cr(2), one Cr(3), and one Cu(2) atom to form distorted OLiCr2Cu tetrahedra that share  a cornercorner with one O(11)LiTiCrCu tetrahedra,  a cornercorner with one O(12)LiTiCrCu tetrahedra, corners with two equivalent O(5)LiTiCr2 tetrahedra, corners with two equivalent O(10)LiCr2Cu trigonal pyramids,  an edgeedge with one O(11)LiTiCrCu tetrahedra, and  an edgeedge with one O(12)LiTiCrCu tetrahedra. In the sixteenth O site, O(16) is bonded in a rectangular see-saw-like geometry to one Li(2), one Ti(2), one Cr(1), and one Cu(2) atom.