MgV2(Ga2O5)2 is Corundum-derived structured and crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(7), and one O(8) atom. There are two inequivalent V sites. In the first V site, V(1) is bonded to one O(10), one O(2), one O(3), one O(6), one O(7), and one O(8) atom to form distorted VO6 octahedra that share corners with two equivalent V(2)O6 octahedra, corners with two equivalent Ga(1)O6 octahedra, corners with three equivalent Ga(2)O6 octahedra,  an edgeedge with one Ga(3)O6 octahedra, edges with two equivalent Ga(4)O6 octahedra, and  a faceface with one Ga(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 38-60°. In the second V site, V(2) is bonded to one O(1), one O(10), one O(4), one O(5), one O(8), and one O(9) atom to form VO6 octahedra that share corners with two equivalent V(1)O6 octahedra, corners with two equivalent Ga(3)O6 octahedra, corners with three equivalent Ga(4)O6 octahedra,  an edgeedge with one Ga(1)O6 octahedra, edges with two equivalent Ga(2)O6 octahedra, and  a faceface with one Ga(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 38-62°. There are four inequivalent Ga sites. In the first Ga site, Ga(1) is bonded to one O(2), one O(3), one O(4), one O(6), one O(7), and one O(8) atom to form GaO6 octahedra that share corners with two equivalent V(1)O6 octahedra, corners with three equivalent Ga(3)O6 octahedra, corners with three equivalent Ga(4)O6 octahedra,  an edgeedge with one V(2)O6 octahedra,  an edgeedge with one Ga(2)O6 octahedra, and  a faceface with one V(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-57°. In the second Ga site, Ga(2) is bonded to one O(1), one O(10), one O(2), one O(5), one O(6), and one O(9) atom to form distorted GaO6 octahedra that share corners with two equivalent Ga(4)O6 octahedra, corners with three equivalent V(1)O6 octahedra, corners with three equivalent Ga(3)O6 octahedra,  an edgeedge with one Ga(1)O6 octahedra, edges with two equivalent V(2)O6 octahedra, and  a faceface with one Ga(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 43-64°. In the third Ga site, Ga(3) is bonded to one O(1), one O(3), one O(4), one O(5), one O(8), and one O(9) atom to form distorted GaO6 octahedra that share corners with two equivalent V(2)O6 octahedra, corners with three equivalent Ga(1)O6 octahedra, corners with three equivalent Ga(2)O6 octahedra,  an edgeedge with one V(1)O6 octahedra,  an edgeedge with one Ga(4)O6 octahedra, and  a faceface with one V(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-62°. In the fourth Ga site, Ga(4) is bonded to one O(10), one O(2), one O(5), one O(6), one O(7), and one O(9) atom to form distorted GaO6 octahedra that share corners with two equivalent Ga(2)O6 octahedra, corners with three equivalent V(2)O6 octahedra, corners with three equivalent Ga(1)O6 octahedra,  an edgeedge with one Ga(3)O6 octahedra, edges with two equivalent V(1)O6 octahedra, and  a faceface with one Ga(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 43-64°. There are ten inequivalent O sites. In the first O site, O(1) is bonded to one Mg(1), one V(2), one Ga(2), and one Ga(3) atom to form distorted OMgVGa2 trigonal pyramids that share  a cornercorner with one O(8)MgV2Ga2 trigonal bipyramid,  a cornercorner with one O(7)MgVGa2 trigonal pyramid,  a cornercorner with one O(6)VGa3 trigonal pyramid, corners with three equivalent O(4)MgVGa2 trigonal pyramids,  an edgeedge with one O(8)MgV2Ga2 trigonal bipyramid,  an edgeedge with one O(3)MgVGa2 trigonal pyramid, and  an edgeedge with one O(10)V2Ga2 trigonal pyramid. In the second O site, O(2) is bonded in a 5-coordinate geometry to one Mg(1), one V(1), one Ga(1), one Ga(2), and one Ga(4) atom. In the third O site, O(3) is bonded to one Mg(1), one V(1), one Ga(1), and one Ga(3) atom to form OMgVGa2 trigonal pyramids that share corners with two equivalent O(8)MgV2Ga2 trigonal bipyramids,  a cornercorner with one O(4)MgVGa2 trigonal pyramid,  a cornercorner with one O(7)MgVGa2 trigonal pyramid,  a cornercorner with one O(10)V2Ga2 trigonal pyramid, corners with two equivalent O(6)VGa3 trigonal pyramids,  an edgeedge with one O(8)MgV2Ga2 trigonal bipyramid,  an edgeedge with one O(1)MgVGa2 trigonal pyramid,  an edgeedge with one O(4)MgVGa2 trigonal pyramid, and  an edgeedge with one O(7)MgVGa2 trigonal pyramid. In the fourth O site, O(4) is bonded to one Mg(1), one V(2), one Ga(1), and one Ga(3) atom to form distorted OMgVGa2 trigonal pyramids that share  a cornercorner with one O(3)MgVGa2 trigonal pyramid,  a cornercorner with one O(10)V2Ga2 trigonal pyramid,  a cornercorner with one O(6)VGa3 trigonal pyramid, corners with two equivalent O(7)MgVGa2 trigonal pyramids, corners with three equivalent O(1)MgVGa2 trigonal pyramids, edges with two equivalent O(8)MgV2Ga2 trigonal bipyramids, and  an edgeedge with one O(3)MgVGa2 trigonal pyramid. In the fifth O site, O(5) is bonded in a distorted see-saw-like geometry to one V(2), one Ga(2), one Ga(3), and one Ga(4) atom. In the sixth O site, O(6) is bonded to one V(1), one Ga(1), one Ga(2), and one Ga(4) atom to form distorted OVGa3 trigonal pyramids that share  a cornercorner with one O(1)MgVGa2 trigonal pyramid,  a cornercorner with one O(4)MgVGa2 trigonal pyramid,  a cornercorner with one O(7)MgVGa2 trigonal pyramid, corners with two equivalent O(3)MgVGa2 trigonal pyramids, corners with three equivalent O(10)V2Ga2 trigonal pyramids,  an edgeedge with one O(8)MgV2Ga2 trigonal bipyramid, and  an edgeedge with one O(7)MgVGa2 trigonal pyramid. In the seventh O site, O(7) is bonded to one Mg(1), one V(1), one Ga(1), and one Ga(4) atom to form OMgVGa2 trigonal pyramids that share  a cornercorner with one O(8)MgV2Ga2 trigonal bipyramid,  a cornercorner with one O(1)MgVGa2 trigonal pyramid,  a cornercorner with one O(3)MgVGa2 trigonal pyramid,  a cornercorner with one O(6)VGa3 trigonal pyramid, corners with two equivalent O(4)MgVGa2 trigonal pyramids,  an edgeedge with one O(8)MgV2Ga2 trigonal bipyramid,  an edgeedge with one O(3)MgVGa2 trigonal pyramid,  an edgeedge with one O(10)V2Ga2 trigonal pyramid, and  an edgeedge with one O(6)VGa3 trigonal pyramid. In the eighth O site, O(8) is bonded to one Mg(1), one V(1), one V(2), one Ga(1), and one Ga(3) atom to form distorted OMgV2Ga2 trigonal bipyramids that share  a cornercorner with one O(1)MgVGa2 trigonal pyramid,  a cornercorner with one O(7)MgVGa2 trigonal pyramid, corners with two equivalent O(3)MgVGa2 trigonal pyramids, corners with two equivalent O(10)V2Ga2 trigonal pyramids,  an edgeedge with one O(1)MgVGa2 trigonal pyramid,  an edgeedge with one O(3)MgVGa2 trigonal pyramid,  an edgeedge with one O(7)MgVGa2 trigonal pyramid,  an edgeedge with one O(6)VGa3 trigonal pyramid, and edges with two equivalent O(4)MgVGa2 trigonal pyramids. In the ninth O site, O(9) is bonded in a distorted see-saw-like geometry to one V(2), one Ga(2), one Ga(3), and one Ga(4) atom. In the tenth O site, O(10) is bonded to one V(1), one V(2), one Ga(2), and one Ga(4) atom to form OV2Ga2 trigonal pyramids that share corners with two equivalent O(8)MgV2Ga2 trigonal bipyramids,  a cornercorner with one O(3)MgVGa2 trigonal pyramid,  a cornercorner with one O(4)MgVGa2 trigonal pyramid, corners with three equivalent O(6)VGa3 trigonal pyramids,  an edgeedge with one O(1)MgVGa2 trigonal pyramid, and  an edgeedge with one O(7)MgVGa2 trigonal pyramid.
MgV2(Ga2O5)2 is Corundum-derived structured and crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(7), and one O(8) atom. The Mg(1)-O(1) bond length is 1.99 Å. The Mg(1)-O(2) bond length is 2.53 Å. The Mg(1)-O(3) bond length is 2.18 Å. The Mg(1)-O(4) bond length is 2.22 Å. The Mg(1)-O(7) bond length is 2.02 Å. The Mg(1)-O(8) bond length is 1.98 Å. There are two inequivalent V sites. In the first V site, V(1) is bonded to one O(10), one O(2), one O(3), one O(6), one O(7), and one O(8) atom to form distorted VO6 octahedra that share corners with two equivalent V(2)O6 octahedra, corners with two equivalent Ga(1)O6 octahedra, corners with three equivalent Ga(2)O6 octahedra,  an edgeedge with one Ga(3)O6 octahedra, edges with two equivalent Ga(4)O6 octahedra, and  a faceface with one Ga(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 38-60°. The V(1)-O(10) bond length is 2.03 Å. The V(1)-O(2) bond length is 2.00 Å. The V(1)-O(3) bond length is 1.97 Å. The V(1)-O(6) bond length is 2.14 Å. The V(1)-O(7) bond length is 2.05 Å. The V(1)-O(8) bond length is 2.24 Å. In the second V site, V(2) is bonded to one O(1), one O(10), one O(4), one O(5), one O(8), and one O(9) atom to form VO6 octahedra that share corners with two equivalent V(1)O6 octahedra, corners with two equivalent Ga(3)O6 octahedra, corners with three equivalent Ga(4)O6 octahedra,  an edgeedge with one Ga(1)O6 octahedra, edges with two equivalent Ga(2)O6 octahedra, and  a faceface with one Ga(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 38-62°. The V(2)-O(1) bond length is 2.00 Å. The V(2)-O(10) bond length is 2.05 Å. The V(2)-O(4) bond length is 2.00 Å. The V(2)-O(5) bond length is 2.12 Å. The V(2)-O(8) bond length is 2.21 Å. The V(2)-O(9) bond length is 2.04 Å. There are four inequivalent Ga sites. In the first Ga site, Ga(1) is bonded to one O(2), one O(3), one O(4), one O(6), one O(7), and one O(8) atom to form GaO6 octahedra that share corners with two equivalent V(1)O6 octahedra, corners with three equivalent Ga(3)O6 octahedra, corners with three equivalent Ga(4)O6 octahedra,  an edgeedge with one V(2)O6 octahedra,  an edgeedge with one Ga(2)O6 octahedra, and  a faceface with one V(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-57°. The Ga(1)-O(2) bond length is 2.00 Å. The Ga(1)-O(3) bond length is 2.00 Å. The Ga(1)-O(4) bond length is 1.99 Å. The Ga(1)-O(6) bond length is 2.05 Å. The Ga(1)-O(7) bond length is 2.02 Å. The Ga(1)-O(8) bond length is 2.04 Å. In the second Ga site, Ga(2) is bonded to one O(1), one O(10), one O(2), one O(5), one O(6), and one O(9) atom to form distorted GaO6 octahedra that share corners with two equivalent Ga(4)O6 octahedra, corners with three equivalent V(1)O6 octahedra, corners with three equivalent Ga(3)O6 octahedra,  an edgeedge with one Ga(1)O6 octahedra, edges with two equivalent V(2)O6 octahedra, and  a faceface with one Ga(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 43-64°. The Ga(2)-O(1) bond length is 1.95 Å. The Ga(2)-O(10) bond length is 2.02 Å. The Ga(2)-O(2) bond length is 2.14 Å. The Ga(2)-O(5) bond length is 1.98 Å. The Ga(2)-O(6) bond length is 1.98 Å. The Ga(2)-O(9) bond length is 2.20 Å. In the third Ga site, Ga(3) is bonded to one O(1), one O(3), one O(4), one O(5), one O(8), and one O(9) atom to form distorted GaO6 octahedra that share corners with two equivalent V(2)O6 octahedra, corners with three equivalent Ga(1)O6 octahedra, corners with three equivalent Ga(2)O6 octahedra,  an edgeedge with one V(1)O6 octahedra,  an edgeedge with one Ga(4)O6 octahedra, and  a faceface with one V(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-62°. The Ga(3)-O(1) bond length is 2.09 Å. The Ga(3)-O(3) bond length is 1.95 Å. The Ga(3)-O(4) bond length is 1.94 Å. The Ga(3)-O(5) bond length is 2.16 Å. The Ga(3)-O(8) bond length is 2.24 Å. The Ga(3)-O(9) bond length is 1.93 Å. In the fourth Ga site, Ga(4) is bonded to one O(10), one O(2), one O(5), one O(6), one O(7), and one O(9) atom to form distorted GaO6 octahedra that share corners with two equivalent Ga(2)O6 octahedra, corners with three equivalent V(2)O6 octahedra, corners with three equivalent Ga(1)O6 octahedra,  an edgeedge with one Ga(3)O6 octahedra, edges with two equivalent V(1)O6 octahedra, and  a faceface with one Ga(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 43-64°. The Ga(4)-O(10) bond length is 2.05 Å. The Ga(4)-O(2) bond length is 2.30 Å. The Ga(4)-O(5) bond length is 1.96 Å. The Ga(4)-O(6) bond length is 1.98 Å. The Ga(4)-O(7) bond length is 1.94 Å. The Ga(4)-O(9) bond length is 2.09 Å. There are ten inequivalent O sites. In the first O site, O(1) is bonded to one Mg(1), one V(2), one Ga(2), and one Ga(3) atom to form distorted OMgVGa2 trigonal pyramids that share  a cornercorner with one O(8)MgV2Ga2 trigonal bipyramid,  a cornercorner with one O(7)MgVGa2 trigonal pyramid,  a cornercorner with one O(6)VGa3 trigonal pyramid, corners with three equivalent O(4)MgVGa2 trigonal pyramids,  an edgeedge with one O(8)MgV2Ga2 trigonal bipyramid,  an edgeedge with one O(3)MgVGa2 trigonal pyramid, and  an edgeedge with one O(10)V2Ga2 trigonal pyramid. In the second O site, O(2) is bonded in a 5-coordinate geometry to one Mg(1), one V(1), one Ga(1), one Ga(2), and one Ga(4) atom. In the third O site, O(3) is bonded to one Mg(1), one V(1), one Ga(1), and one Ga(3) atom to form OMgVGa2 trigonal pyramids that share corners with two equivalent O(8)MgV2Ga2 trigonal bipyramids,  a cornercorner with one O(4)MgVGa2 trigonal pyramid,  a cornercorner with one O(7)MgVGa2 trigonal pyramid,  a cornercorner with one O(10)V2Ga2 trigonal pyramid, corners with two equivalent O(6)VGa3 trigonal pyramids,  an edgeedge with one O(8)MgV2Ga2 trigonal bipyramid,  an edgeedge with one O(1)MgVGa2 trigonal pyramid,  an edgeedge with one O(4)MgVGa2 trigonal pyramid, and  an edgeedge with one O(7)MgVGa2 trigonal pyramid. In the fourth O site, O(4) is bonded to one Mg(1), one V(2), one Ga(1), and one Ga(3) atom to form distorted OMgVGa2 trigonal pyramids that share  a cornercorner with one O(3)MgVGa2 trigonal pyramid,  a cornercorner with one O(10)V2Ga2 trigonal pyramid,  a cornercorner with one O(6)VGa3 trigonal pyramid, corners with two equivalent O(7)MgVGa2 trigonal pyramids, corners with three equivalent O(1)MgVGa2 trigonal pyramids, edges with two equivalent O(8)MgV2Ga2 trigonal bipyramids, and  an edgeedge with one O(3)MgVGa2 trigonal pyramid. In the fifth O site, O(5) is bonded in a distorted see-saw-like geometry to one V(2), one Ga(2), one Ga(3), and one Ga(4) atom. In the sixth O site, O(6) is bonded to one V(1), one Ga(1), one Ga(2), and one Ga(4) atom to form distorted OVGa3 trigonal pyramids that share  a cornercorner with one O(1)MgVGa2 trigonal pyramid,  a cornercorner with one O(4)MgVGa2 trigonal pyramid,  a cornercorner with one O(7)MgVGa2 trigonal pyramid, corners with two equivalent O(3)MgVGa2 trigonal pyramids, corners with three equivalent O(10)V2Ga2 trigonal pyramids,  an edgeedge with one O(8)MgV2Ga2 trigonal bipyramid, and  an edgeedge with one O(7)MgVGa2 trigonal pyramid. In the seventh O site, O(7) is bonded to one Mg(1), one V(1), one Ga(1), and one Ga(4) atom to form OMgVGa2 trigonal pyramids that share  a cornercorner with one O(8)MgV2Ga2 trigonal bipyramid,  a cornercorner with one O(1)MgVGa2 trigonal pyramid,  a cornercorner with one O(3)MgVGa2 trigonal pyramid,  a cornercorner with one O(6)VGa3 trigonal pyramid, corners with two equivalent O(4)MgVGa2 trigonal pyramids,  an edgeedge with one O(8)MgV2Ga2 trigonal bipyramid,  an edgeedge with one O(3)MgVGa2 trigonal pyramid,  an edgeedge with one O(10)V2Ga2 trigonal pyramid, and  an edgeedge with one O(6)VGa3 trigonal pyramid. In the eighth O site, O(8) is bonded to one Mg(1), one V(1), one V(2), one Ga(1), and one Ga(3) atom to form distorted OMgV2Ga2 trigonal bipyramids that share  a cornercorner with one O(1)MgVGa2 trigonal pyramid,  a cornercorner with one O(7)MgVGa2 trigonal pyramid, corners with two equivalent O(3)MgVGa2 trigonal pyramids, corners with two equivalent O(10)V2Ga2 trigonal pyramids,  an edgeedge with one O(1)MgVGa2 trigonal pyramid,  an edgeedge with one O(3)MgVGa2 trigonal pyramid,  an edgeedge with one O(7)MgVGa2 trigonal pyramid,  an edgeedge with one O(6)VGa3 trigonal pyramid, and edges with two equivalent O(4)MgVGa2 trigonal pyramids. In the ninth O site, O(9) is bonded in a distorted see-saw-like geometry to one V(2), one Ga(2), one Ga(3), and one Ga(4) atom. In the tenth O site, O(10) is bonded to one V(1), one V(2), one Ga(2), and one Ga(4) atom to form OV2Ga2 trigonal pyramids that share corners with two equivalent O(8)MgV2Ga2 trigonal bipyramids,  a cornercorner with one O(3)MgVGa2 trigonal pyramid,  a cornercorner with one O(4)MgVGa2 trigonal pyramid, corners with three equivalent O(6)VGa3 trigonal pyramids,  an edgeedge with one O(1)MgVGa2 trigonal pyramid, and  an edgeedge with one O(7)MgVGa2 trigonal pyramid.