MgTi4Zn2O10 crystallizes in the monoclinic Pm space group. Mg(1) is bonded to one O(6), one O(7), and two equivalent O(8) atoms to form MgO4 tetrahedra that share  a cornercorner with one Ti(4)O4 tetrahedra, corners with two equivalent Mg(1)O4 tetrahedra, and corners with four equivalent Ti(3)O5 trigonal bipyramids. There are four inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(10), one O(2), one O(4), and two equivalent O(3) atoms to form distorted TiO5 trigonal bipyramids that share  a cornercorner with one Zn(2)O5 square pyramid, corners with two equivalent Zn(1)O5 square pyramids,  a cornercorner with one Ti(4)O4 tetrahedra, corners with two equivalent Ti(1)O5 trigonal bipyramids, edges with two equivalent Zn(1)O5 square pyramids, and edges with two equivalent Ti(2)O5 trigonal bipyramids. In the second Ti site, Ti(2) is bonded to one O(1), one O(3), one O(9), and two equivalent O(4) atoms to form distorted TiO5 trigonal bipyramids that share  a cornercorner with one Zn(1)O5 square pyramid, corners with two equivalent Zn(2)O5 square pyramids,  a cornercorner with one Ti(3)O5 trigonal bipyramid, corners with two equivalent Ti(2)O5 trigonal bipyramids, edges with two equivalent Zn(2)O5 square pyramids, and edges with two equivalent Ti(1)O5 trigonal bipyramids. In the third Ti site, Ti(3) is bonded to one O(1), one O(5), one O(8), and two equivalent O(6) atoms to form distorted TiO5 trigonal bipyramids that share corners with two equivalent Zn(2)O5 square pyramids, corners with two equivalent Ti(4)O4 tetrahedra, corners with four equivalent Mg(1)O4 tetrahedra,  a cornercorner with one Ti(2)O5 trigonal bipyramid, and corners with two equivalent Ti(3)O5 trigonal bipyramids. In the fourth Ti site, Ti(4) is bonded to one O(2), one O(7), and two equivalent O(5) atoms to form TiO4 tetrahedra that share corners with two equivalent Zn(1)O5 square pyramids,  a cornercorner with one Mg(1)O4 tetrahedra, corners with two equivalent Ti(4)O4 tetrahedra,  a cornercorner with one Ti(1)O5 trigonal bipyramid, and corners with two equivalent Ti(3)O5 trigonal bipyramids. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one O(3), two equivalent O(10), and two equivalent O(2) atoms to form distorted ZnO5 square pyramids that share corners with two equivalent Ti(4)O4 tetrahedra,  a cornercorner with one Ti(2)O5 trigonal bipyramid, corners with two equivalent Ti(1)O5 trigonal bipyramids, edges with two equivalent Zn(1)O5 square pyramids, and edges with two equivalent Ti(1)O5 trigonal bipyramids. In the second Zn site, Zn(2) is bonded to one O(4), two equivalent O(1), and two equivalent O(9) atoms to form distorted ZnO5 square pyramids that share  a cornercorner with one Ti(1)O5 trigonal bipyramid, corners with two equivalent Ti(2)O5 trigonal bipyramids, corners with two equivalent Ti(3)O5 trigonal bipyramids, edges with two equivalent Zn(2)O5 square pyramids, and edges with two equivalent Ti(2)O5 trigonal bipyramids. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Ti(2), one Ti(3), and two equivalent Zn(2) atoms. In the second O site, O(2) is bonded in a rectangular see-saw-like geometry to one Ti(1), one Ti(4), and two equivalent Zn(1) atoms. In the third O site, O(3) is bonded to one Ti(2), two equivalent Ti(1), and one Zn(1) atom to form a mixture of corner and edge-sharing OTi3Zn tetrahedra. In the fourth O site, O(4) is bonded to one Ti(1), two equivalent Ti(2), and one Zn(2) atom to form a mixture of corner and edge-sharing OTi3Zn tetrahedra. In the fifth O site, O(5) is bonded in a distorted trigonal non-coplanar geometry to one Ti(3) and two equivalent Ti(4) atoms. In the sixth O site, O(6) is bonded in a trigonal planar geometry to one Mg(1) and two equivalent Ti(3) atoms. In the seventh O site, O(7) is bonded in a water-like geometry to one Mg(1) and one Ti(4) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to two equivalent Mg(1) and one Ti(3) atom. In the ninth O site, O(9) is bonded in a trigonal planar geometry to one Ti(2) and two equivalent Zn(2) atoms. In the tenth O site, O(10) is bonded in a trigonal planar geometry to one Ti(1) and two equivalent Zn(1) atoms.
MgTi4Zn2O10 crystallizes in the monoclinic Pm space group. Mg(1) is bonded to one O(6), one O(7), and two equivalent O(8) atoms to form MgO4 tetrahedra that share  a cornercorner with one Ti(4)O4 tetrahedra, corners with two equivalent Mg(1)O4 tetrahedra, and corners with four equivalent Ti(3)O5 trigonal bipyramids. The Mg(1)-O(6) bond length is 2.03 Å. The Mg(1)-O(7) bond length is 1.94 Å. Both Mg(1)-O(8) bond lengths are 1.97 Å. There are four inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(10), one O(2), one O(4), and two equivalent O(3) atoms to form distorted TiO5 trigonal bipyramids that share  a cornercorner with one Zn(2)O5 square pyramid, corners with two equivalent Zn(1)O5 square pyramids,  a cornercorner with one Ti(4)O4 tetrahedra, corners with two equivalent Ti(1)O5 trigonal bipyramids, edges with two equivalent Zn(1)O5 square pyramids, and edges with two equivalent Ti(2)O5 trigonal bipyramids. The Ti(1)-O(10) bond length is 1.83 Å. The Ti(1)-O(2) bond length is 2.06 Å. The Ti(1)-O(4) bond length is 2.09 Å. Both Ti(1)-O(3) bond lengths are 1.98 Å. In the second Ti site, Ti(2) is bonded to one O(1), one O(3), one O(9), and two equivalent O(4) atoms to form distorted TiO5 trigonal bipyramids that share  a cornercorner with one Zn(1)O5 square pyramid, corners with two equivalent Zn(2)O5 square pyramids,  a cornercorner with one Ti(3)O5 trigonal bipyramid, corners with two equivalent Ti(2)O5 trigonal bipyramids, edges with two equivalent Zn(2)O5 square pyramids, and edges with two equivalent Ti(1)O5 trigonal bipyramids. The Ti(2)-O(1) bond length is 1.99 Å. The Ti(2)-O(3) bond length is 2.14 Å. The Ti(2)-O(9) bond length is 1.85 Å. Both Ti(2)-O(4) bond lengths are 1.98 Å. In the third Ti site, Ti(3) is bonded to one O(1), one O(5), one O(8), and two equivalent O(6) atoms to form distorted TiO5 trigonal bipyramids that share corners with two equivalent Zn(2)O5 square pyramids, corners with two equivalent Ti(4)O4 tetrahedra, corners with four equivalent Mg(1)O4 tetrahedra,  a cornercorner with one Ti(2)O5 trigonal bipyramid, and corners with two equivalent Ti(3)O5 trigonal bipyramids. The Ti(3)-O(1) bond length is 1.89 Å. The Ti(3)-O(5) bond length is 2.35 Å. The Ti(3)-O(8) bond length is 1.83 Å. Both Ti(3)-O(6) bond lengths are 1.92 Å. In the fourth Ti site, Ti(4) is bonded to one O(2), one O(7), and two equivalent O(5) atoms to form TiO4 tetrahedra that share corners with two equivalent Zn(1)O5 square pyramids,  a cornercorner with one Mg(1)O4 tetrahedra, corners with two equivalent Ti(4)O4 tetrahedra,  a cornercorner with one Ti(1)O5 trigonal bipyramid, and corners with two equivalent Ti(3)O5 trigonal bipyramids. The Ti(4)-O(2) bond length is 1.87 Å. The Ti(4)-O(7) bond length is 1.73 Å. Both Ti(4)-O(5) bond lengths are 1.91 Å. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one O(3), two equivalent O(10), and two equivalent O(2) atoms to form distorted ZnO5 square pyramids that share corners with two equivalent Ti(4)O4 tetrahedra,  a cornercorner with one Ti(2)O5 trigonal bipyramid, corners with two equivalent Ti(1)O5 trigonal bipyramids, edges with two equivalent Zn(1)O5 square pyramids, and edges with two equivalent Ti(1)O5 trigonal bipyramids. The Zn(1)-O(3) bond length is 2.10 Å. Both Zn(1)-O(10) bond lengths are 2.04 Å. Both Zn(1)-O(2) bond lengths are 2.29 Å. In the second Zn site, Zn(2) is bonded to one O(4), two equivalent O(1), and two equivalent O(9) atoms to form distorted ZnO5 square pyramids that share  a cornercorner with one Ti(1)O5 trigonal bipyramid, corners with two equivalent Ti(2)O5 trigonal bipyramids, corners with two equivalent Ti(3)O5 trigonal bipyramids, edges with two equivalent Zn(2)O5 square pyramids, and edges with two equivalent Ti(2)O5 trigonal bipyramids. The Zn(2)-O(4) bond length is 2.09 Å. Both Zn(2)-O(1) bond lengths are 2.31 Å. Both Zn(2)-O(9) bond lengths are 2.03 Å. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Ti(2), one Ti(3), and two equivalent Zn(2) atoms. In the second O site, O(2) is bonded in a rectangular see-saw-like geometry to one Ti(1), one Ti(4), and two equivalent Zn(1) atoms. In the third O site, O(3) is bonded to one Ti(2), two equivalent Ti(1), and one Zn(1) atom to form a mixture of corner and edge-sharing OTi3Zn tetrahedra. In the fourth O site, O(4) is bonded to one Ti(1), two equivalent Ti(2), and one Zn(2) atom to form a mixture of corner and edge-sharing OTi3Zn tetrahedra. In the fifth O site, O(5) is bonded in a distorted trigonal non-coplanar geometry to one Ti(3) and two equivalent Ti(4) atoms. In the sixth O site, O(6) is bonded in a trigonal planar geometry to one Mg(1) and two equivalent Ti(3) atoms. In the seventh O site, O(7) is bonded in a water-like geometry to one Mg(1) and one Ti(4) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to two equivalent Mg(1) and one Ti(3) atom. In the ninth O site, O(9) is bonded in a trigonal planar geometry to one Ti(2) and two equivalent Zn(2) atoms. In the tenth O site, O(10) is bonded in a trigonal planar geometry to one Ti(1) and two equivalent Zn(1) atoms.