MgV2Mn3O10 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 5-coordinate geometry to one O(1), one O(3), one O(5), one O(7), and one O(9) atom. There are two inequivalent V sites. In the first V site, V(1) is bonded to one O(1), one O(2), one O(3), one O(5), one O(7), and one O(8) atom to form VO6 octahedra that share  a cornercorner with one Mn(1)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra, and edges with two equivalent Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles are 11°. In the second V site, V(2) is bonded in a 6-coordinate geometry to one O(10), one O(3), one O(4), one O(6), one O(8), and one O(9) atom. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(10), one O(2), one O(4), one O(7), and one O(9) atom to form distorted MnO6 octahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Mn(3)O6 octahedra,  an edgeedge with one V(1)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, and edges with two equivalent Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 11-19°. In the second Mn site, Mn(2) is bonded to one O(1), one O(10), one O(2), one O(5), one O(7), and one O(9) atom to form MnO6 octahedra that share  a cornercorner with one Mn(1)O6 octahedra, edges with two equivalent V(1)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, and edges with two equivalent Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles are 14°. In the third Mn site, Mn(3) is bonded to one O(1), one O(10), one O(2), one O(4), one O(6), and one O(9) atom to form MnO6 octahedra that share  a cornercorner with one Mn(1)O6 octahedra,  an edgeedge with one V(1)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, and edges with two equivalent Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles are 19°. There are ten inequivalent O sites. In the first O site, O(1) is bonded to one Mg(1), one V(1), one Mn(1), one Mn(2), and one Mn(3) atom to form distorted OMgMn3V square pyramids that share corners with two equivalent O(7)MgMn2V tetrahedra,  an edgeedge with one O(7)MgMn2V tetrahedra, and edges with two equivalent O(9)MgMn3V trigonal bipyramids. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one V(1), one Mn(1), one Mn(2), and one Mn(3) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one Mg(1), one V(1), and one V(2) atom. In the fourth O site, O(4) is bonded in a trigonal non-coplanar geometry to one V(2), one Mn(1), and one Mn(3) atom. In the fifth O site, O(5) is bonded in a trigonal non-coplanar geometry to one Mg(1), one V(1), and one Mn(2) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one V(2) and one Mn(3) atom. In the seventh O site, O(7) is bonded to one Mg(1), one V(1), one Mn(1), and one Mn(2) atom to form a mixture of distorted edge and corner-sharing OMgMn2V tetrahedra. In the eighth O site, O(8) is bonded in a water-like geometry to one V(1) and one V(2) atom. In the ninth O site, O(9) is bonded to one Mg(1), one V(2), one Mn(1), one Mn(2), and one Mn(3) atom to form distorted OMgMn3V trigonal bipyramids that share  a cornercorner with one O(7)MgMn2V tetrahedra, edges with two equivalent O(1)MgMn3V square pyramids, and  an edgeedge with one O(7)MgMn2V tetrahedra. In the tenth O site, O(10) is bonded in a rectangular see-saw-like geometry to one V(2), one Mn(1), one Mn(2), and one Mn(3) atom.
MgV2Mn3O10 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 5-coordinate geometry to one O(1), one O(3), one O(5), one O(7), and one O(9) atom. The Mg(1)-O(1) bond length is 2.22 Å. The Mg(1)-O(3) bond length is 2.01 Å. The Mg(1)-O(5) bond length is 1.99 Å. The Mg(1)-O(7) bond length is 2.05 Å. The Mg(1)-O(9) bond length is 2.45 Å. There are two inequivalent V sites. In the first V site, V(1) is bonded to one O(1), one O(2), one O(3), one O(5), one O(7), and one O(8) atom to form VO6 octahedra that share  a cornercorner with one Mn(1)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra, and edges with two equivalent Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles are 11°. The V(1)-O(1) bond length is 1.99 Å. The V(1)-O(2) bond length is 2.10 Å. The V(1)-O(3) bond length is 2.11 Å. The V(1)-O(5) bond length is 1.91 Å. The V(1)-O(7) bond length is 2.13 Å. The V(1)-O(8) bond length is 1.75 Å. In the second V site, V(2) is bonded in a 6-coordinate geometry to one O(10), one O(3), one O(4), one O(6), one O(8), and one O(9) atom. The V(2)-O(10) bond length is 1.90 Å. The V(2)-O(3) bond length is 1.77 Å. The V(2)-O(4) bond length is 2.06 Å. The V(2)-O(6) bond length is 1.73 Å. The V(2)-O(8) bond length is 1.93 Å. The V(2)-O(9) bond length is 2.33 Å. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(10), one O(2), one O(4), one O(7), and one O(9) atom to form distorted MnO6 octahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Mn(3)O6 octahedra,  an edgeedge with one V(1)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, and edges with two equivalent Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 11-19°. The Mn(1)-O(1) bond length is 2.52 Å. The Mn(1)-O(10) bond length is 2.33 Å. The Mn(1)-O(2) bond length is 1.98 Å. The Mn(1)-O(4) bond length is 1.93 Å. The Mn(1)-O(7) bond length is 2.01 Å. The Mn(1)-O(9) bond length is 1.96 Å. In the second Mn site, Mn(2) is bonded to one O(1), one O(10), one O(2), one O(5), one O(7), and one O(9) atom to form MnO6 octahedra that share  a cornercorner with one Mn(1)O6 octahedra, edges with two equivalent V(1)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, and edges with two equivalent Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles are 14°. The Mn(2)-O(1) bond length is 2.28 Å. The Mn(2)-O(10) bond length is 2.00 Å. The Mn(2)-O(2) bond length is 2.25 Å. The Mn(2)-O(5) bond length is 1.91 Å. The Mn(2)-O(7) bond length is 1.96 Å. The Mn(2)-O(9) bond length is 1.97 Å. In the third Mn site, Mn(3) is bonded to one O(1), one O(10), one O(2), one O(4), one O(6), and one O(9) atom to form MnO6 octahedra that share  a cornercorner with one Mn(1)O6 octahedra,  an edgeedge with one V(1)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, and edges with two equivalent Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles are 19°. The Mn(3)-O(1) bond length is 1.99 Å. The Mn(3)-O(10) bond length is 2.16 Å. The Mn(3)-O(2) bond length is 2.06 Å. The Mn(3)-O(4) bond length is 1.92 Å. The Mn(3)-O(6) bond length is 1.98 Å. The Mn(3)-O(9) bond length is 2.18 Å. There are ten inequivalent O sites. In the first O site, O(1) is bonded to one Mg(1), one V(1), one Mn(1), one Mn(2), and one Mn(3) atom to form distorted OMgMn3V square pyramids that share corners with two equivalent O(7)MgMn2V tetrahedra,  an edgeedge with one O(7)MgMn2V tetrahedra, and edges with two equivalent O(9)MgMn3V trigonal bipyramids. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one V(1), one Mn(1), one Mn(2), and one Mn(3) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one Mg(1), one V(1), and one V(2) atom. In the fourth O site, O(4) is bonded in a trigonal non-coplanar geometry to one V(2), one Mn(1), and one Mn(3) atom. In the fifth O site, O(5) is bonded in a trigonal non-coplanar geometry to one Mg(1), one V(1), and one Mn(2) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one V(2) and one Mn(3) atom. In the seventh O site, O(7) is bonded to one Mg(1), one V(1), one Mn(1), and one Mn(2) atom to form a mixture of distorted edge and corner-sharing OMgMn2V tetrahedra. In the eighth O site, O(8) is bonded in a water-like geometry to one V(1) and one V(2) atom. In the ninth O site, O(9) is bonded to one Mg(1), one V(2), one Mn(1), one Mn(2), and one Mn(3) atom to form distorted OMgMn3V trigonal bipyramids that share  a cornercorner with one O(7)MgMn2V tetrahedra, edges with two equivalent O(1)MgMn3V square pyramids, and  an edgeedge with one O(7)MgMn2V tetrahedra. In the tenth O site, O(10) is bonded in a rectangular see-saw-like geometry to one V(2), one Mn(1), one Mn(2), and one Mn(3) atom.