Mg2WCoO6 is Corundum-derived structured and crystallizes in the triclinic P1 space group. There are four inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to one O(1), one O(11), one O(4), one O(5), one O(7), and one O(9) atom to form distorted MgO6 octahedra that share  a cornercorner with one W(1)O6 octahedra, corners with two equivalent Mg(4)O6 octahedra, corners with two equivalent W(2)O6 octahedra, corners with four equivalent Mg(3)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and  a faceface with one W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-57°. In the second Mg site, Mg(2) is bonded to one O(10), one O(12), one O(2), one O(3), one O(6), and one O(8) atom to form distorted MgO6 pentagonal pyramids that share  a cornercorner with one W(2)O6 octahedra, corners with two equivalent Mg(3)O6 octahedra, corners with two equivalent W(1)O6 octahedra, corners with four equivalent Mg(4)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and  a faceface with one W(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-58°. In the third Mg site, Mg(3) is bonded to one O(1), one O(11), one O(3), one O(5), one O(8), and one O(9) atom to form distorted MgO6 octahedra that share  a cornercorner with one Co(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra, corners with four equivalent Mg(1)O6 octahedra, corners with two equivalent Mg(2)O6 pentagonal pyramids,  an edgeedge with one W(2)O6 octahedra, edges with two equivalent W(1)O6 octahedra, and  a faceface with one Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-64°. In the fourth Mg site, Mg(4) is bonded to one O(10), one O(12), one O(2), one O(4), one O(6), and one O(7) atom to form distorted MgO6 octahedra that share  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Mg(1)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with four equivalent Mg(2)O6 pentagonal pyramids,  an edgeedge with one W(1)O6 octahedra, edges with two equivalent W(2)O6 octahedra, and  a faceface with one Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-65°. There are two inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(10), one O(11), one O(4), one O(5), and one O(8) atom to form WO6 octahedra that share  a cornercorner with one Mg(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra, corners with four equivalent Co(1)O6 octahedra, corners with two equivalent Mg(2)O6 pentagonal pyramids,  an edgeedge with one Mg(4)O6 octahedra, edges with two equivalent Mg(3)O6 octahedra, and  a faceface with one Mg(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 42-57°. In the second W site, W(2) is bonded to one O(12), one O(2), one O(3), one O(6), one O(7), and one O(9) atom to form WO6 octahedra that share corners with two equivalent Mg(1)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with four equivalent Co(2)O6 octahedra,  a cornercorner with one Mg(2)O6 pentagonal pyramid,  an edgeedge with one Mg(3)O6 octahedra, edges with two equivalent Mg(4)O6 octahedra, and  a faceface with one Mg(2)O6 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 42-57°. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(11), one O(4), one O(6), one O(8), and one O(9) atom to form CoO6 octahedra that share  a cornercorner with one Mg(3)O6 octahedra, corners with two equivalent Mg(4)O6 octahedra, corners with two equivalent W(2)O6 octahedra, corners with four equivalent W(1)O6 octahedra, edges with two equivalent Mg(1)O6 octahedra,  an edgeedge with one Mg(2)O6 pentagonal pyramid, and  a faceface with one Mg(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 42-65°. In the second Co site, Co(2) is bonded to one O(10), one O(12), one O(2), one O(3), one O(5), and one O(7) atom to form distorted CoO6 octahedra that share  a cornercorner with one Mg(4)O6 octahedra, corners with two equivalent Mg(3)O6 octahedra, corners with two equivalent W(1)O6 octahedra, corners with four equivalent W(2)O6 octahedra,  an edgeedge with one Mg(1)O6 octahedra, edges with two equivalent Mg(2)O6 pentagonal pyramids, and  a faceface with one Mg(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 42-64°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded to one Mg(1), one Mg(3), one W(1), and one Co(1) atom to form a mixture of distorted corner and edge-sharing OMg2CoW trigonal pyramids. In the second O site, O(2) is bonded to one Mg(2), one Mg(4), one W(2), and one Co(2) atom to form a mixture of distorted corner and edge-sharing OMg2CoW trigonal pyramids. In the third O site, O(3) is bonded to one Mg(2), one Mg(3), one W(2), and one Co(2) atom to form a mixture of distorted corner and edge-sharing OMg2CoW trigonal pyramids. In the fourth O site, O(4) is bonded to one Mg(1), one Mg(4), one W(1), and one Co(1) atom to form a mixture of distorted corner and edge-sharing OMg2CoW trigonal pyramids. In the fifth O site, O(5) is bonded to one Mg(1), one Mg(3), one W(1), and one Co(2) atom to form a mixture of distorted corner and edge-sharing OMg2CoW trigonal pyramids. In the sixth O site, O(6) is bonded to one Mg(2), one Mg(4), one W(2), and one Co(1) atom to form a mixture of distorted corner and edge-sharing OMg2CoW trigonal pyramids. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mg(4), one W(2), and one Co(2) atom. In the eighth O site, O(8) is bonded in a distorted see-saw-like geometry to one Mg(2), one Mg(3), one W(1), and one Co(1) atom. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mg(3), one W(2), and one Co(1) atom. In the tenth O site, O(10) is bonded in a rectangular see-saw-like geometry to one Mg(2), one Mg(4), one W(1), and one Co(2) atom. In the eleventh O site, O(11) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mg(3), one W(1), and one Co(1) atom. In the twelfth O site, O(12) is bonded in a distorted rectangular see-saw-like geometry to one Mg(2), one Mg(4), one W(2), and one Co(2) atom.
Mg2WCoO6 is Corundum-derived structured and crystallizes in the triclinic P1 space group. There are four inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to one O(1), one O(11), one O(4), one O(5), one O(7), and one O(9) atom to form distorted MgO6 octahedra that share  a cornercorner with one W(1)O6 octahedra, corners with two equivalent Mg(4)O6 octahedra, corners with two equivalent W(2)O6 octahedra, corners with four equivalent Mg(3)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and  a faceface with one W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-57°. The Mg(1)-O(1) bond length is 2.20 Å. The Mg(1)-O(11) bond length is 2.08 Å. The Mg(1)-O(4) bond length is 2.20 Å. The Mg(1)-O(5) bond length is 2.18 Å. The Mg(1)-O(7) bond length is 2.08 Å. The Mg(1)-O(9) bond length is 2.07 Å. In the second Mg site, Mg(2) is bonded to one O(10), one O(12), one O(2), one O(3), one O(6), and one O(8) atom to form distorted MgO6 pentagonal pyramids that share  a cornercorner with one W(2)O6 octahedra, corners with two equivalent Mg(3)O6 octahedra, corners with two equivalent W(1)O6 octahedra, corners with four equivalent Mg(4)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and  a faceface with one W(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-58°. The Mg(2)-O(10) bond length is 2.08 Å. The Mg(2)-O(12) bond length is 2.07 Å. The Mg(2)-O(2) bond length is 2.20 Å. The Mg(2)-O(3) bond length is 2.19 Å. The Mg(2)-O(6) bond length is 2.19 Å. The Mg(2)-O(8) bond length is 2.08 Å. In the third Mg site, Mg(3) is bonded to one O(1), one O(11), one O(3), one O(5), one O(8), and one O(9) atom to form distorted MgO6 octahedra that share  a cornercorner with one Co(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra, corners with four equivalent Mg(1)O6 octahedra, corners with two equivalent Mg(2)O6 pentagonal pyramids,  an edgeedge with one W(2)O6 octahedra, edges with two equivalent W(1)O6 octahedra, and  a faceface with one Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-64°. The Mg(3)-O(1) bond length is 2.03 Å. The Mg(3)-O(11) bond length is 2.21 Å. The Mg(3)-O(3) bond length is 2.03 Å. The Mg(3)-O(5) bond length is 2.03 Å. The Mg(3)-O(8) bond length is 2.20 Å. The Mg(3)-O(9) bond length is 2.22 Å. In the fourth Mg site, Mg(4) is bonded to one O(10), one O(12), one O(2), one O(4), one O(6), and one O(7) atom to form distorted MgO6 octahedra that share  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Mg(1)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with four equivalent Mg(2)O6 pentagonal pyramids,  an edgeedge with one W(1)O6 octahedra, edges with two equivalent W(2)O6 octahedra, and  a faceface with one Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-65°. The Mg(4)-O(10) bond length is 2.22 Å. The Mg(4)-O(12) bond length is 2.20 Å. The Mg(4)-O(2) bond length is 2.03 Å. The Mg(4)-O(4) bond length is 2.03 Å. The Mg(4)-O(6) bond length is 2.03 Å. The Mg(4)-O(7) bond length is 2.21 Å. There are two inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(10), one O(11), one O(4), one O(5), and one O(8) atom to form WO6 octahedra that share  a cornercorner with one Mg(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra, corners with four equivalent Co(1)O6 octahedra, corners with two equivalent Mg(2)O6 pentagonal pyramids,  an edgeedge with one Mg(4)O6 octahedra, edges with two equivalent Mg(3)O6 octahedra, and  a faceface with one Mg(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 42-57°. The W(1)-O(1) bond length is 2.00 Å. The W(1)-O(10) bond length is 1.92 Å. The W(1)-O(11) bond length is 1.92 Å. The W(1)-O(4) bond length is 1.99 Å. The W(1)-O(5) bond length is 2.00 Å. The W(1)-O(8) bond length is 1.93 Å. In the second W site, W(2) is bonded to one O(12), one O(2), one O(3), one O(6), one O(7), and one O(9) atom to form WO6 octahedra that share corners with two equivalent Mg(1)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with four equivalent Co(2)O6 octahedra,  a cornercorner with one Mg(2)O6 pentagonal pyramid,  an edgeedge with one Mg(3)O6 octahedra, edges with two equivalent Mg(4)O6 octahedra, and  a faceface with one Mg(2)O6 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 42-57°. The W(2)-O(12) bond length is 1.92 Å. The W(2)-O(2) bond length is 2.00 Å. The W(2)-O(3) bond length is 2.00 Å. The W(2)-O(6) bond length is 2.00 Å. The W(2)-O(7) bond length is 1.92 Å. The W(2)-O(9) bond length is 1.92 Å. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(11), one O(4), one O(6), one O(8), and one O(9) atom to form CoO6 octahedra that share  a cornercorner with one Mg(3)O6 octahedra, corners with two equivalent Mg(4)O6 octahedra, corners with two equivalent W(2)O6 octahedra, corners with four equivalent W(1)O6 octahedra, edges with two equivalent Mg(1)O6 octahedra,  an edgeedge with one Mg(2)O6 pentagonal pyramid, and  a faceface with one Mg(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 42-65°. The Co(1)-O(1) bond length is 2.06 Å. The Co(1)-O(11) bond length is 2.25 Å. The Co(1)-O(4) bond length is 2.06 Å. The Co(1)-O(6) bond length is 2.06 Å. The Co(1)-O(8) bond length is 2.20 Å. The Co(1)-O(9) bond length is 2.24 Å. In the second Co site, Co(2) is bonded to one O(10), one O(12), one O(2), one O(3), one O(5), and one O(7) atom to form distorted CoO6 octahedra that share  a cornercorner with one Mg(4)O6 octahedra, corners with two equivalent Mg(3)O6 octahedra, corners with two equivalent W(1)O6 octahedra, corners with four equivalent W(2)O6 octahedra,  an edgeedge with one Mg(1)O6 octahedra, edges with two equivalent Mg(2)O6 pentagonal pyramids, and  a faceface with one Mg(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 42-64°. The Co(2)-O(10) bond length is 2.27 Å. The Co(2)-O(12) bond length is 2.29 Å. The Co(2)-O(2) bond length is 2.03 Å. The Co(2)-O(3) bond length is 2.04 Å. The Co(2)-O(5) bond length is 2.04 Å. The Co(2)-O(7) bond length is 2.25 Å. There are twelve inequivalent O sites. In the first O site, O(1) is bonded to one Mg(1), one Mg(3), one W(1), and one Co(1) atom to form a mixture of distorted corner and edge-sharing OMg2CoW trigonal pyramids. In the second O site, O(2) is bonded to one Mg(2), one Mg(4), one W(2), and one Co(2) atom to form a mixture of distorted corner and edge-sharing OMg2CoW trigonal pyramids. In the third O site, O(3) is bonded to one Mg(2), one Mg(3), one W(2), and one Co(2) atom to form a mixture of distorted corner and edge-sharing OMg2CoW trigonal pyramids. In the fourth O site, O(4) is bonded to one Mg(1), one Mg(4), one W(1), and one Co(1) atom to form a mixture of distorted corner and edge-sharing OMg2CoW trigonal pyramids. In the fifth O site, O(5) is bonded to one Mg(1), one Mg(3), one W(1), and one Co(2) atom to form a mixture of distorted corner and edge-sharing OMg2CoW trigonal pyramids. In the sixth O site, O(6) is bonded to one Mg(2), one Mg(4), one W(2), and one Co(1) atom to form a mixture of distorted corner and edge-sharing OMg2CoW trigonal pyramids. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mg(4), one W(2), and one Co(2) atom. In the eighth O site, O(8) is bonded in a distorted see-saw-like geometry to one Mg(2), one Mg(3), one W(1), and one Co(1) atom. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mg(3), one W(2), and one Co(1) atom. In the tenth O site, O(10) is bonded in a rectangular see-saw-like geometry to one Mg(2), one Mg(4), one W(1), and one Co(2) atom. In the eleventh O site, O(11) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mg(3), one W(1), and one Co(1) atom. In the twelfth O site, O(12) is bonded in a distorted rectangular see-saw-like geometry to one Mg(2), one Mg(4), one W(2), and one Co(2) atom.