MgTiV2CrO10 crystallizes in the monoclinic Pm space group. Mg(1) is bonded to one O(2), one O(8), and two equivalent O(6) atoms to form distorted MgO4 tetrahedra that share  a cornercorner with one Ti(1)O4 tetrahedra, corners with two equivalent V(1)O5 trigonal bipyramids, corners with two equivalent V(2)O5 trigonal bipyramids, and  an edgeedge with one Ti(1)O4 tetrahedra. Ti(1) is bonded to one O(5), one O(8), and two equivalent O(6) atoms to form TiO4 tetrahedra that share  a cornercorner with one Mg(1)O4 tetrahedra, corners with two equivalent V(1)O5 trigonal bipyramids, corners with two equivalent V(2)O5 trigonal bipyramids, and  an edgeedge with one Mg(1)O4 tetrahedra. There are two inequivalent V sites. In the first V site, V(1) is bonded to one O(2), one O(5), one O(8), and two equivalent O(3) atoms to form distorted VO5 trigonal bipyramids that share corners with two equivalent Mg(1)O4 tetrahedra, corners with two equivalent Ti(1)O4 tetrahedra, and corners with two equivalent Cr(1)O4 tetrahedra. In the second V site, V(2) is bonded to one O(1), one O(4), one O(7), and two equivalent O(6) atoms to form distorted VO5 trigonal bipyramids that share corners with two equivalent Mg(1)O4 tetrahedra, corners with two equivalent Ti(1)O4 tetrahedra, and corners with two equivalent Cr(1)O4 tetrahedra. Cr(1) is bonded to one O(1), one O(4), and two equivalent O(3) atoms to form CrO4 tetrahedra that share corners with two equivalent V(1)O5 trigonal bipyramids and corners with two equivalent V(2)O5 trigonal bipyramids. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one V(2) and one Cr(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Mg(1) and one V(1) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one V(1) and one Cr(1) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one V(2) and one Cr(1) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Ti(1) and one V(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Mg(1), one Ti(1), and one V(2) atom. In the seventh O site, O(7) is bonded in a single-bond geometry to one V(2) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one Mg(1), one Ti(1), and one V(1) atom.
MgTiV2CrO10 crystallizes in the monoclinic Pm space group. Mg(1) is bonded to one O(2), one O(8), and two equivalent O(6) atoms to form distorted MgO4 tetrahedra that share  a cornercorner with one Ti(1)O4 tetrahedra, corners with two equivalent V(1)O5 trigonal bipyramids, corners with two equivalent V(2)O5 trigonal bipyramids, and  an edgeedge with one Ti(1)O4 tetrahedra. The Mg(1)-O(2) bond length is 2.00 Å. The Mg(1)-O(8) bond length is 1.93 Å. Both Mg(1)-O(6) bond lengths are 2.05 Å. Ti(1) is bonded to one O(5), one O(8), and two equivalent O(6) atoms to form TiO4 tetrahedra that share  a cornercorner with one Mg(1)O4 tetrahedra, corners with two equivalent V(1)O5 trigonal bipyramids, corners with two equivalent V(2)O5 trigonal bipyramids, and  an edgeedge with one Mg(1)O4 tetrahedra. The Ti(1)-O(5) bond length is 1.79 Å. The Ti(1)-O(8) bond length is 1.88 Å. Both Ti(1)-O(6) bond lengths are 1.84 Å. There are two inequivalent V sites. In the first V site, V(1) is bonded to one O(2), one O(5), one O(8), and two equivalent O(3) atoms to form distorted VO5 trigonal bipyramids that share corners with two equivalent Mg(1)O4 tetrahedra, corners with two equivalent Ti(1)O4 tetrahedra, and corners with two equivalent Cr(1)O4 tetrahedra. The V(1)-O(2) bond length is 1.68 Å. The V(1)-O(5) bond length is 1.88 Å. The V(1)-O(8) bond length is 2.00 Å. Both V(1)-O(3) bond lengths are 1.99 Å. In the second V site, V(2) is bonded to one O(1), one O(4), one O(7), and two equivalent O(6) atoms to form distorted VO5 trigonal bipyramids that share corners with two equivalent Mg(1)O4 tetrahedra, corners with two equivalent Ti(1)O4 tetrahedra, and corners with two equivalent Cr(1)O4 tetrahedra. The V(2)-O(1) bond length is 2.04 Å. The V(2)-O(4) bond length is 2.02 Å. The V(2)-O(7) bond length is 1.63 Å. Both V(2)-O(6) bond lengths are 2.00 Å. Cr(1) is bonded to one O(1), one O(4), and two equivalent O(3) atoms to form CrO4 tetrahedra that share corners with two equivalent V(1)O5 trigonal bipyramids and corners with two equivalent V(2)O5 trigonal bipyramids. The Cr(1)-O(1) bond length is 1.67 Å. The Cr(1)-O(4) bond length is 1.67 Å. Both Cr(1)-O(3) bond lengths are 1.67 Å. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one V(2) and one Cr(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Mg(1) and one V(1) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one V(1) and one Cr(1) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one V(2) and one Cr(1) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Ti(1) and one V(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Mg(1), one Ti(1), and one V(2) atom. In the seventh O site, O(7) is bonded in a single-bond geometry to one V(2) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one Mg(1), one Ti(1), and one V(1) atom.