MgMo2(WO6)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 8-coordinate geometry to one O(1), one O(11), one O(12), one O(3), one O(4), one O(5), one O(6), and one O(8) atom. 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(3), one O(5), and one O(7) atom to form WO6 octahedra that share corners with two equivalent Mo(1)O6 octahedra and corners with four equivalent Mo(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 24-40°. In the second W site, W(2) is bonded to one O(12), one O(2), one O(4), one O(6), one O(8), and one O(9) atom to form WO6 octahedra that share corners with two equivalent Mo(2)O6 octahedra and corners with four equivalent Mo(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 27-38°. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded to one O(10), one O(11), one O(2), one O(4), one O(6), and one O(8) atom to form MoO6 octahedra that share corners with two equivalent W(1)O6 octahedra and corners with four equivalent W(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 27-38°. In the second Mo site, Mo(2) is bonded to one O(1), one O(12), one O(3), one O(5), one O(7), and one O(9) atom to form MoO6 octahedra that share corners with two equivalent W(2)O6 octahedra and corners with four equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 24-40°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one Mg(1), one W(1), and one Mo(2) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one W(2) and one Mo(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Mg(1), one W(1), and one Mo(2) atom. In the fourth O site, O(4) is bonded in a T-shaped geometry to one Mg(1), one W(2), and one Mo(1) atom. In the fifth O site, O(5) is bonded in a T-shaped geometry to one Mg(1), one W(1), and one Mo(2) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Mg(1), one W(2), and one Mo(1) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one W(1) and one Mo(2) atom. In the eighth O site, O(8) is bonded in a distorted bent 150 degrees geometry to one Mg(1), one W(2), and one Mo(1) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one W(2) and one Mo(2) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one W(1) and one Mo(1) atom. In the eleventh O site, O(11) is bonded in a T-shaped geometry to one Mg(1), one W(1), and one Mo(1) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal non-coplanar geometry to one Mg(1), one W(2), and one Mo(2) atom.
MgMo2(WO6)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 8-coordinate geometry to one O(1), one O(11), one O(12), one O(3), one O(4), one O(5), one O(6), and one O(8) atom. The Mg(1)-O(1) bond length is 2.70 Å. The Mg(1)-O(11) bond length is 2.18 Å. The Mg(1)-O(12) bond length is 2.09 Å. The Mg(1)-O(3) bond length is 2.24 Å. The Mg(1)-O(4) bond length is 2.36 Å. The Mg(1)-O(5) bond length is 2.21 Å. The Mg(1)-O(6) bond length is 2.12 Å. The Mg(1)-O(8) bond length is 2.61 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(3), one O(5), and one O(7) atom to form WO6 octahedra that share corners with two equivalent Mo(1)O6 octahedra and corners with four equivalent Mo(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 24-40°. The W(1)-O(1) bond length is 2.11 Å. The W(1)-O(10) bond length is 1.86 Å. The W(1)-O(11) bond length is 2.01 Å. The W(1)-O(3) bond length is 1.89 Å. The W(1)-O(5) bond length is 1.95 Å. The W(1)-O(7) bond length is 1.89 Å. In the second W site, W(2) is bonded to one O(12), one O(2), one O(4), one O(6), one O(8), and one O(9) atom to form WO6 octahedra that share corners with two equivalent Mo(2)O6 octahedra and corners with four equivalent Mo(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 27-38°. The W(2)-O(12) bond length is 2.02 Å. The W(2)-O(2) bond length is 2.03 Å. The W(2)-O(4) bond length is 1.90 Å. The W(2)-O(6) bond length is 2.01 Å. The W(2)-O(8) bond length is 1.87 Å. The W(2)-O(9) bond length is 1.87 Å. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded to one O(10), one O(11), one O(2), one O(4), one O(6), and one O(8) atom to form MoO6 octahedra that share corners with two equivalent W(1)O6 octahedra and corners with four equivalent W(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 27-38°. The Mo(1)-O(10) bond length is 2.04 Å. The Mo(1)-O(11) bond length is 1.98 Å. The Mo(1)-O(2) bond length is 1.83 Å. The Mo(1)-O(4) bond length is 2.04 Å. The Mo(1)-O(6) bond length is 2.02 Å. The Mo(1)-O(8) bond length is 2.06 Å. In the second Mo site, Mo(2) is bonded to one O(1), one O(12), one O(3), one O(5), one O(7), and one O(9) atom to form MoO6 octahedra that share corners with two equivalent W(2)O6 octahedra and corners with four equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 24-40°. The Mo(2)-O(1) bond length is 1.81 Å. The Mo(2)-O(12) bond length is 2.05 Å. The Mo(2)-O(3) bond length is 2.10 Å. The Mo(2)-O(5) bond length is 2.04 Å. The Mo(2)-O(7) bond length is 1.97 Å. The Mo(2)-O(9) bond length is 2.00 Å. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one Mg(1), one W(1), and one Mo(2) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one W(2) and one Mo(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Mg(1), one W(1), and one Mo(2) atom. In the fourth O site, O(4) is bonded in a T-shaped geometry to one Mg(1), one W(2), and one Mo(1) atom. In the fifth O site, O(5) is bonded in a T-shaped geometry to one Mg(1), one W(1), and one Mo(2) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Mg(1), one W(2), and one Mo(1) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one W(1) and one Mo(2) atom. In the eighth O site, O(8) is bonded in a distorted bent 150 degrees geometry to one Mg(1), one W(2), and one Mo(1) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one W(2) and one Mo(2) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one W(1) and one Mo(1) atom. In the eleventh O site, O(11) is bonded in a T-shaped geometry to one Mg(1), one W(1), and one Mo(1) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal non-coplanar geometry to one Mg(1), one W(2), and one Mo(2) atom.