MgCo(WO4)2 crystallizes in the triclinic P-1 space group. Mg(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form MgO6 octahedra that share edges with two equivalent Co(1)O6 octahedra. W(1) is bonded in a 5-coordinate geometry to one O(2), one O(3), one O(4), and two equivalent O(1) atoms. Co(1) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms to form CoO6 octahedra that share edges with two equivalent Mg(1)O6 octahedra. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Mg(1) and two equivalent W(1) atoms. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Mg(1), one W(1), and one Co(1) atom. In the third O site, O(3) is bonded in a T-shaped geometry to one Mg(1), one W(1), and one Co(1) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one W(1) and one Co(1) atom.
MgCo(WO4)2 crystallizes in the triclinic P-1 space group. Mg(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form MgO6 octahedra that share edges with two equivalent Co(1)O6 octahedra. Both Mg(1)-O(1) bond lengths are 2.07 Å. Both Mg(1)-O(2) bond lengths are 2.13 Å. Both Mg(1)-O(3) bond lengths are 2.09 Å. W(1) is bonded in a 5-coordinate geometry to one O(2), one O(3), one O(4), and two equivalent O(1) atoms. The W(1)-O(2) bond length is 1.85 Å. The W(1)-O(3) bond length is 1.88 Å. The W(1)-O(4) bond length is 1.77 Å. There is one shorter (1.97 Å) and one longer (2.08 Å) W(1)-O(1) bond length. Co(1) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms to form CoO6 octahedra that share edges with two equivalent Mg(1)O6 octahedra. Both Co(1)-O(2) bond lengths are 2.23 Å. Both Co(1)-O(3) bond lengths are 2.10 Å. Both Co(1)-O(4) bond lengths are 2.09 Å. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Mg(1) and two equivalent W(1) atoms. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Mg(1), one W(1), and one Co(1) atom. In the third O site, O(3) is bonded in a T-shaped geometry to one Mg(1), one W(1), and one Co(1) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one W(1) and one Co(1) atom.