MgWFeZn2O6 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form MgO6 octahedra that share corners with three equivalent Zn(1)O6 octahedra, edges with three equivalent W(1)O6 octahedra, and  a faceface with one Zn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 36-46°. W(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form WO6 octahedra that share corners with three equivalent Zn(1)O6 octahedra, edges with three equivalent Mg(1)O6 octahedra, and  a faceface with one Zn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 43-48°. Fe(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form ZnO6 octahedra that share corners with three equivalent Mg(1)O6 octahedra, corners with three equivalent W(1)O6 octahedra,  a faceface with one Mg(1)O6 octahedra, and  a faceface with one W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 36-48°. In the second Zn site, Zn(2) is bonded in a trigonal planar geometry to one O(1), one O(5), and one O(6) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Mg(1), one W(1), one Fe(1), one Zn(1), and one Zn(2) atom. In the second O site, O(2) is bonded to one Mg(1), one W(1), one Fe(1), and one Zn(1) atom to form a mixture of distorted corner and edge-sharing OMgZnFeW trigonal pyramids. In the third O site, O(3) is bonded to one Mg(1), one W(1), one Fe(1), and one Zn(1) atom to form a mixture of distorted corner and edge-sharing OMgZnFeW trigonal pyramids. In the fourth O site, O(4) is bonded in a rectangular see-saw-like geometry to one Mg(1), one W(1), one Fe(1), and one Zn(1) atom. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Mg(1), one W(1), one Fe(1), one Zn(1), and one Zn(2) atom. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one Mg(1), one W(1), one Fe(1), one Zn(1), and one Zn(2) atom.
MgWFeZn2O6 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form MgO6 octahedra that share corners with three equivalent Zn(1)O6 octahedra, edges with three equivalent W(1)O6 octahedra, and  a faceface with one Zn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 36-46°. The Mg(1)-O(1) bond length is 2.07 Å. The Mg(1)-O(2) bond length is 2.13 Å. The Mg(1)-O(3) bond length is 2.15 Å. The Mg(1)-O(4) bond length is 2.21 Å. The Mg(1)-O(5) bond length is 2.08 Å. The Mg(1)-O(6) bond length is 2.07 Å. W(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form WO6 octahedra that share corners with three equivalent Zn(1)O6 octahedra, edges with three equivalent Mg(1)O6 octahedra, and  a faceface with one Zn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 43-48°. The W(1)-O(1) bond length is 2.12 Å. The W(1)-O(2) bond length is 2.03 Å. The W(1)-O(3) bond length is 2.12 Å. The W(1)-O(4) bond length is 2.02 Å. The W(1)-O(5) bond length is 2.16 Å. The W(1)-O(6) bond length is 2.24 Å. Fe(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom. The Fe(1)-O(1) bond length is 2.59 Å. The Fe(1)-O(2) bond length is 2.12 Å. The Fe(1)-O(3) bond length is 2.00 Å. The Fe(1)-O(4) bond length is 2.08 Å. The Fe(1)-O(5) bond length is 2.69 Å. The Fe(1)-O(6) bond length is 2.27 Å. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form ZnO6 octahedra that share corners with three equivalent Mg(1)O6 octahedra, corners with three equivalent W(1)O6 octahedra,  a faceface with one Mg(1)O6 octahedra, and  a faceface with one W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 36-48°. The Zn(1)-O(1) bond length is 2.24 Å. The Zn(1)-O(2) bond length is 2.06 Å. The Zn(1)-O(3) bond length is 2.09 Å. The Zn(1)-O(4) bond length is 2.17 Å. The Zn(1)-O(5) bond length is 2.09 Å. The Zn(1)-O(6) bond length is 2.20 Å. In the second Zn site, Zn(2) is bonded in a trigonal planar geometry to one O(1), one O(5), and one O(6) atom. The Zn(2)-O(1) bond length is 1.94 Å. The Zn(2)-O(5) bond length is 1.95 Å. The Zn(2)-O(6) bond length is 1.95 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Mg(1), one W(1), one Fe(1), one Zn(1), and one Zn(2) atom. In the second O site, O(2) is bonded to one Mg(1), one W(1), one Fe(1), and one Zn(1) atom to form a mixture of distorted corner and edge-sharing OMgZnFeW trigonal pyramids. In the third O site, O(3) is bonded to one Mg(1), one W(1), one Fe(1), and one Zn(1) atom to form a mixture of distorted corner and edge-sharing OMgZnFeW trigonal pyramids. In the fourth O site, O(4) is bonded in a rectangular see-saw-like geometry to one Mg(1), one W(1), one Fe(1), and one Zn(1) atom. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Mg(1), one W(1), one Fe(1), one Zn(1), and one Zn(2) atom. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one Mg(1), one W(1), one Fe(1), one Zn(1), and one Zn(2) atom.