Mg(MoO2)2 is Spinel-like structured and crystallizes in the triclinic P1 space group. There are six inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to one O(1), one O(16), one O(3), and one O(4) atom to form MgO4 tetrahedra that share  a cornercorner with one Mo(10)O6 octahedra,  a cornercorner with one Mo(11)O6 octahedra,  a cornercorner with one Mo(8)O6 octahedra, corners with two equivalent Mo(1)O6 octahedra, corners with two equivalent Mo(2)O6 octahedra, corners with two equivalent Mo(4)O6 octahedra, and corners with three equivalent Mg(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 51-60°. In the second Mg site, Mg(2) is bonded to one O(10), one O(11), one O(2), and one O(5) atom to form MgO4 tetrahedra that share  a cornercorner with one Mo(1)O6 octahedra,  a cornercorner with one Mo(2)O6 octahedra,  a cornercorner with one Mo(4)O6 octahedra, corners with two equivalent Mo(3)O6 octahedra, corners with two equivalent Mo(5)O6 octahedra, corners with two equivalent Mo(9)O6 octahedra, and corners with three equivalent Mg(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-61°. In the third Mg site, Mg(3) is bonded to one O(10), one O(11), one O(12), one O(5), one O(6), and one O(8) atom to form MgO6 octahedra that share corners with three equivalent Mg(2)O4 tetrahedra, corners with three equivalent Mo(7)O4 tetrahedra,  an edgeedge with one Mo(1)O6 octahedra,  an edgeedge with one Mo(2)O6 octahedra,  an edgeedge with one Mo(3)O6 octahedra,  an edgeedge with one Mo(4)O6 octahedra,  an edgeedge with one Mo(5)O6 octahedra, and  an edgeedge with one Mo(9)O6 octahedra. In the fourth Mg site, Mg(4) is bonded to one O(13), one O(18), one O(19), and one O(7) atom to form MgO4 tetrahedra that share  a cornercorner with one Mo(3)O6 octahedra,  a cornercorner with one Mo(5)O6 octahedra,  a cornercorner with one Mo(9)O6 octahedra, corners with two equivalent Mo(10)O6 octahedra, corners with two equivalent Mo(11)O6 octahedra, corners with two equivalent Mo(8)O6 octahedra, and corners with three equivalent Mo(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-59°. In the fifth Mg site, Mg(5) is bonded to one O(1), one O(21), one O(22), one O(24), one O(3), and one O(4) atom to form MgO6 octahedra that share corners with three equivalent Mg(1)O4 tetrahedra, corners with three equivalent Mo(12)O4 tetrahedra,  an edgeedge with one Mo(1)O6 octahedra,  an edgeedge with one Mo(10)O6 octahedra,  an edgeedge with one Mo(11)O6 octahedra,  an edgeedge with one Mo(2)O6 octahedra,  an edgeedge with one Mo(4)O6 octahedra, and  an edgeedge with one Mo(8)O6 octahedra. In the sixth Mg site, Mg(6) is bonded to one O(14), one O(15), one O(20), and one O(23) atom to form MgO4 tetrahedra that share  a cornercorner with one Mo(10)O6 octahedra,  a cornercorner with one Mo(11)O6 octahedra,  a cornercorner with one Mo(8)O6 octahedra, corners with two equivalent Mo(3)O6 octahedra, corners with two equivalent Mo(5)O6 octahedra, corners with two equivalent Mo(9)O6 octahedra, and corners with three equivalent Mo(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-61°. There are twelve inequivalent Mo sites. In the first Mo site, Mo(1) is bonded to one O(2), one O(3), one O(4), one O(6), one O(8), and one O(9) atom to form MoO6 octahedra that share  a cornercorner with one Mg(2)O4 tetrahedra,  a cornercorner with one Mo(12)O4 tetrahedra, corners with two equivalent Mg(1)O4 tetrahedra, corners with two equivalent Mo(7)O4 tetrahedra,  an edgeedge with one Mg(3)O6 octahedra,  an edgeedge with one Mg(5)O6 octahedra, edges with two equivalent Mo(2)O6 octahedra, and edges with two equivalent Mo(4)O6 octahedra. In the second Mo site, Mo(2) is bonded to one O(1), one O(12), one O(2), one O(4), one O(6), and one O(9) atom to form MoO6 octahedra that share  a cornercorner with one Mg(2)O4 tetrahedra,  a cornercorner with one Mo(12)O4 tetrahedra, corners with two equivalent Mg(1)O4 tetrahedra, corners with two equivalent Mo(7)O4 tetrahedra,  an edgeedge with one Mg(3)O6 octahedra,  an edgeedge with one Mg(5)O6 octahedra, edges with two equivalent Mo(1)O6 octahedra, and edges with two equivalent Mo(4)O6 octahedra. In the third Mo site, Mo(3) is bonded to one O(10), one O(11), one O(14), one O(15), one O(17), and one O(7) atom to form MoO6 octahedra that share  a cornercorner with one Mg(4)O4 tetrahedra,  a cornercorner with one Mo(7)O4 tetrahedra, corners with two equivalent Mg(2)O4 tetrahedra, corners with two equivalent Mg(6)O4 tetrahedra,  an edgeedge with one Mg(3)O6 octahedra,  an edgeedge with one Mo(6)O6 octahedra, edges with two equivalent Mo(5)O6 octahedra, and edges with two equivalent Mo(9)O6 octahedra. In the fourth Mo site, Mo(4) is bonded to one O(1), one O(12), one O(2), one O(3), one O(8), and one O(9) atom to form MoO6 octahedra that share  a cornercorner with one Mg(2)O4 tetrahedra,  a cornercorner with one Mo(12)O4 tetrahedra, corners with two equivalent Mg(1)O4 tetrahedra, corners with two equivalent Mo(7)O4 tetrahedra,  an edgeedge with one Mg(3)O6 octahedra,  an edgeedge with one Mg(5)O6 octahedra, edges with two equivalent Mo(1)O6 octahedra, and edges with two equivalent Mo(2)O6 octahedra. In the fifth Mo site, Mo(5) is bonded to one O(11), one O(14), one O(17), one O(20), one O(5), and one O(7) atom to form MoO6 octahedra that share  a cornercorner with one Mg(4)O4 tetrahedra,  a cornercorner with one Mo(7)O4 tetrahedra, corners with two equivalent Mg(2)O4 tetrahedra, corners with two equivalent Mg(6)O4 tetrahedra,  an edgeedge with one Mg(3)O6 octahedra,  an edgeedge with one Mo(6)O6 octahedra, edges with two equivalent Mo(3)O6 octahedra, and edges with two equivalent Mo(9)O6 octahedra. In the sixth Mo site, Mo(6) is bonded to one O(13), one O(14), one O(15), one O(18), one O(19), and one O(20) atom to form MoO6 octahedra that share corners with three equivalent Mg(4)O4 tetrahedra, corners with three equivalent Mg(6)O4 tetrahedra,  an edgeedge with one Mo(10)O6 octahedra,  an edgeedge with one Mo(11)O6 octahedra,  an edgeedge with one Mo(3)O6 octahedra,  an edgeedge with one Mo(5)O6 octahedra,  an edgeedge with one Mo(8)O6 octahedra, and  an edgeedge with one Mo(9)O6 octahedra. In the seventh Mo site, Mo(7) is bonded to one O(12), one O(17), one O(6), and one O(8) atom to form MoO4 tetrahedra that share  a cornercorner with one Mo(3)O6 octahedra,  a cornercorner with one Mo(5)O6 octahedra,  a cornercorner with one Mo(9)O6 octahedra, corners with two equivalent Mo(1)O6 octahedra, corners with two equivalent Mo(2)O6 octahedra, corners with two equivalent Mo(4)O6 octahedra, and corners with three equivalent Mg(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-66°. In the eighth Mo site, Mo(8) is bonded to one O(16), one O(18), one O(19), one O(21), one O(22), and one O(23) atom to form MoO6 octahedra that share  a cornercorner with one Mg(1)O4 tetrahedra,  a cornercorner with one Mg(6)O4 tetrahedra, corners with two equivalent Mg(4)O4 tetrahedra, corners with two equivalent Mo(12)O4 tetrahedra,  an edgeedge with one Mg(5)O6 octahedra,  an edgeedge with one Mo(6)O6 octahedra, edges with two equivalent Mo(10)O6 octahedra, and edges with two equivalent Mo(11)O6 octahedra. In the ninth Mo site, Mo(9) is bonded to one O(10), one O(15), one O(17), one O(20), one O(5), and one O(7) atom to form MoO6 octahedra that share  a cornercorner with one Mg(4)O4 tetrahedra,  a cornercorner with one Mo(7)O4 tetrahedra, corners with two equivalent Mg(2)O4 tetrahedra, corners with two equivalent Mg(6)O4 tetrahedra,  an edgeedge with one Mg(3)O6 octahedra,  an edgeedge with one Mo(6)O6 octahedra, edges with two equivalent Mo(3)O6 octahedra, and edges with two equivalent Mo(5)O6 octahedra. In the tenth Mo site, Mo(10) is bonded to one O(13), one O(16), one O(19), one O(21), one O(23), and one O(24) atom to form MoO6 octahedra that share  a cornercorner with one Mg(1)O4 tetrahedra,  a cornercorner with one Mg(6)O4 tetrahedra, corners with two equivalent Mg(4)O4 tetrahedra, corners with two equivalent Mo(12)O4 tetrahedra,  an edgeedge with one Mg(5)O6 octahedra,  an edgeedge with one Mo(6)O6 octahedra, edges with two equivalent Mo(11)O6 octahedra, and edges with two equivalent Mo(8)O6 octahedra. In the eleventh Mo site, Mo(11) is bonded to one O(13), one O(16), one O(18), one O(22), one O(23), and one O(24) atom to form MoO6 octahedra that share  a cornercorner with one Mg(1)O4 tetrahedra,  a cornercorner with one Mg(6)O4 tetrahedra, corners with two equivalent Mg(4)O4 tetrahedra, corners with two equivalent Mo(12)O4 tetrahedra,  an edgeedge with one Mg(5)O6 octahedra,  an edgeedge with one Mo(6)O6 octahedra, edges with two equivalent Mo(10)O6 octahedra, and edges with two equivalent Mo(8)O6 octahedra. In the twelfth Mo site, Mo(12) is bonded to one O(21), one O(22), one O(24), and one O(9) atom to form MoO4 tetrahedra that share  a cornercorner with one Mo(1)O6 octahedra,  a cornercorner with one Mo(2)O6 octahedra,  a cornercorner with one Mo(4)O6 octahedra, corners with two equivalent Mo(10)O6 octahedra, corners with two equivalent Mo(11)O6 octahedra, corners with two equivalent Mo(8)O6 octahedra, and corners with three equivalent Mg(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-64°. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mg(5), one Mo(2), and one Mo(4) atom. In the second O site, O(2) is bonded in a rectangular see-saw-like geometry to one Mg(2), one Mo(1), one Mo(2), and one Mo(4) atom. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mg(5), one Mo(1), and one Mo(4) atom. In the fourth O site, O(4) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mg(5), one Mo(1), and one Mo(2) atom. In the fifth O site, O(5) is bonded in a rectangular see-saw-like geometry to one Mg(2), one Mg(3), one Mo(5), and one Mo(9) atom. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Mg(3), one Mo(1), one Mo(2), and one Mo(7) atom. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Mg(4), one Mo(3), one Mo(5), and one Mo(9) atom. In the eighth O site, O(8) is bonded in a rectangular see-saw-like geometry to one Mg(3), one Mo(1), one Mo(4), and one Mo(7) atom. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Mo(1), one Mo(12), one Mo(2), and one Mo(4) atom. In the tenth O site, O(10) is bonded in a rectangular see-saw-like geometry to one Mg(2), one Mg(3), one Mo(3), and one Mo(9) atom. In the eleventh O site, O(11) is bonded in a rectangular see-saw-like geometry to one Mg(2), one Mg(3), one Mo(3), and one Mo(5) atom. In the twelfth O site, O(12) is bonded in a rectangular see-saw-like geometry to one Mg(3), one Mo(2), one Mo(4), and one Mo(7) atom. In the thirteenth O site, O(13) is bonded in a rectangular see-saw-like geometry to one Mg(4), one Mo(10), one Mo(11), and one Mo(6) atom. In the fourteenth O site, O(14) is bonded in a rectangular see-saw-like geometry to one Mg(6), one Mo(3), one Mo(5), and one Mo(6) atom. In the fifteenth O site, O(15) is bonded in a rectangular see-saw-like geometry to one Mg(6), one Mo(3), one Mo(6), and one Mo(9) atom. In the sixteenth O site, O(16) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mo(10), one Mo(11), and one Mo(8) atom. In the seventeenth O site, O(17) is bonded in a rectangular see-saw-like geometry to one Mo(3), one Mo(5), one Mo(7), and one Mo(9) atom. In the eighteenth O site, O(18) is bonded in a rectangular see-saw-like geometry to one Mg(4), one Mo(11), one Mo(6), and one Mo(8) atom. In the nineteenth O site, O(19) is bonded in a distorted rectangular see-saw-like geometry to one Mg(4), one Mo(10), one Mo(6), and one Mo(8) atom. In the twentieth O site, O(20) is bonded in a distorted rectangular see-saw-like geometry to one Mg(6), one Mo(5), one Mo(6), and one Mo(9) atom. In the twenty-first O site, O(21) is bonded in a rectangular see-saw-like geometry to one Mg(5), one Mo(10), one Mo(12), and one Mo(8) atom. In the twenty-second O site, O(22) is bonded in a rectangular see-saw-like geometry to one Mg(5), one Mo(11), one Mo(12), and one Mo(8) atom. In the twenty-third O site, O(23) is bonded in a rectangular see-saw-like geometry to one Mg(6), one Mo(10), one Mo(11), and one Mo(8) atom. In the twenty-fourth O site, O(24) is bonded in a distorted trigonal pyramidal geometry to one Mg(5), one Mo(10), one Mo(11), and one Mo(12) atom.
Mg(MoO2)2 is Spinel-like structured and crystallizes in the triclinic P1 space group. There are six inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to one O(1), one O(16), one O(3), and one O(4) atom to form MgO4 tetrahedra that share  a cornercorner with one Mo(10)O6 octahedra,  a cornercorner with one Mo(11)O6 octahedra,  a cornercorner with one Mo(8)O6 octahedra, corners with two equivalent Mo(1)O6 octahedra, corners with two equivalent Mo(2)O6 octahedra, corners with two equivalent Mo(4)O6 octahedra, and corners with three equivalent Mg(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 51-60°. The Mg(1)-O(1) bond length is 2.06 Å. The Mg(1)-O(16) bond length is 2.07 Å. The Mg(1)-O(3) bond length is 2.04 Å. The Mg(1)-O(4) bond length is 2.06 Å. In the second Mg site, Mg(2) is bonded to one O(10), one O(11), one O(2), and one O(5) atom to form MgO4 tetrahedra that share  a cornercorner with one Mo(1)O6 octahedra,  a cornercorner with one Mo(2)O6 octahedra,  a cornercorner with one Mo(4)O6 octahedra, corners with two equivalent Mo(3)O6 octahedra, corners with two equivalent Mo(5)O6 octahedra, corners with two equivalent Mo(9)O6 octahedra, and corners with three equivalent Mg(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-61°. The Mg(2)-O(10) bond length is 2.06 Å. The Mg(2)-O(11) bond length is 2.05 Å. The Mg(2)-O(2) bond length is 2.08 Å. The Mg(2)-O(5) bond length is 2.05 Å. In the third Mg site, Mg(3) is bonded to one O(10), one O(11), one O(12), one O(5), one O(6), and one O(8) atom to form MgO6 octahedra that share corners with three equivalent Mg(2)O4 tetrahedra, corners with three equivalent Mo(7)O4 tetrahedra,  an edgeedge with one Mo(1)O6 octahedra,  an edgeedge with one Mo(2)O6 octahedra,  an edgeedge with one Mo(3)O6 octahedra,  an edgeedge with one Mo(4)O6 octahedra,  an edgeedge with one Mo(5)O6 octahedra, and  an edgeedge with one Mo(9)O6 octahedra. The Mg(3)-O(10) bond length is 2.13 Å. The Mg(3)-O(11) bond length is 2.15 Å. The Mg(3)-O(12) bond length is 2.19 Å. The Mg(3)-O(5) bond length is 2.12 Å. The Mg(3)-O(6) bond length is 2.10 Å. The Mg(3)-O(8) bond length is 2.19 Å. In the fourth Mg site, Mg(4) is bonded to one O(13), one O(18), one O(19), and one O(7) atom to form MgO4 tetrahedra that share  a cornercorner with one Mo(3)O6 octahedra,  a cornercorner with one Mo(5)O6 octahedra,  a cornercorner with one Mo(9)O6 octahedra, corners with two equivalent Mo(10)O6 octahedra, corners with two equivalent Mo(11)O6 octahedra, corners with two equivalent Mo(8)O6 octahedra, and corners with three equivalent Mo(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-59°. The Mg(4)-O(13) bond length is 2.06 Å. The Mg(4)-O(18) bond length is 2.07 Å. The Mg(4)-O(19) bond length is 2.08 Å. The Mg(4)-O(7) bond length is 2.03 Å. In the fifth Mg site, Mg(5) is bonded to one O(1), one O(21), one O(22), one O(24), one O(3), and one O(4) atom to form MgO6 octahedra that share corners with three equivalent Mg(1)O4 tetrahedra, corners with three equivalent Mo(12)O4 tetrahedra,  an edgeedge with one Mo(1)O6 octahedra,  an edgeedge with one Mo(10)O6 octahedra,  an edgeedge with one Mo(11)O6 octahedra,  an edgeedge with one Mo(2)O6 octahedra,  an edgeedge with one Mo(4)O6 octahedra, and  an edgeedge with one Mo(8)O6 octahedra. The Mg(5)-O(1) bond length is 2.13 Å. The Mg(5)-O(21) bond length is 2.20 Å. The Mg(5)-O(22) bond length is 2.17 Å. The Mg(5)-O(24) bond length is 2.17 Å. The Mg(5)-O(3) bond length is 2.13 Å. The Mg(5)-O(4) bond length is 2.12 Å. In the sixth Mg site, Mg(6) is bonded to one O(14), one O(15), one O(20), and one O(23) atom to form MgO4 tetrahedra that share  a cornercorner with one Mo(10)O6 octahedra,  a cornercorner with one Mo(11)O6 octahedra,  a cornercorner with one Mo(8)O6 octahedra, corners with two equivalent Mo(3)O6 octahedra, corners with two equivalent Mo(5)O6 octahedra, corners with two equivalent Mo(9)O6 octahedra, and corners with three equivalent Mo(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-61°. The Mg(6)-O(14) bond length is 2.06 Å. The Mg(6)-O(15) bond length is 2.05 Å. The Mg(6)-O(20) bond length is 2.05 Å. The Mg(6)-O(23) bond length is 2.08 Å. There are twelve inequivalent Mo sites. In the first Mo site, Mo(1) is bonded to one O(2), one O(3), one O(4), one O(6), one O(8), and one O(9) atom to form MoO6 octahedra that share  a cornercorner with one Mg(2)O4 tetrahedra,  a cornercorner with one Mo(12)O4 tetrahedra, corners with two equivalent Mg(1)O4 tetrahedra, corners with two equivalent Mo(7)O4 tetrahedra,  an edgeedge with one Mg(3)O6 octahedra,  an edgeedge with one Mg(5)O6 octahedra, edges with two equivalent Mo(2)O6 octahedra, and edges with two equivalent Mo(4)O6 octahedra. The Mo(1)-O(2) bond length is 2.17 Å. The Mo(1)-O(3) bond length is 2.18 Å. The Mo(1)-O(4) bond length is 2.17 Å. The Mo(1)-O(6) bond length is 2.20 Å. The Mo(1)-O(8) bond length is 2.13 Å. The Mo(1)-O(9) bond length is 2.20 Å. In the second Mo site, Mo(2) is bonded to one O(1), one O(12), one O(2), one O(4), one O(6), and one O(9) atom to form MoO6 octahedra that share  a cornercorner with one Mg(2)O4 tetrahedra,  a cornercorner with one Mo(12)O4 tetrahedra, corners with two equivalent Mg(1)O4 tetrahedra, corners with two equivalent Mo(7)O4 tetrahedra,  an edgeedge with one Mg(3)O6 octahedra,  an edgeedge with one Mg(5)O6 octahedra, edges with two equivalent Mo(1)O6 octahedra, and edges with two equivalent Mo(4)O6 octahedra. The Mo(2)-O(1) bond length is 2.19 Å. The Mo(2)-O(12) bond length is 2.14 Å. The Mo(2)-O(2) bond length is 2.17 Å. The Mo(2)-O(4) bond length is 2.17 Å. The Mo(2)-O(6) bond length is 2.19 Å. The Mo(2)-O(9) bond length is 2.15 Å. In the third Mo site, Mo(3) is bonded to one O(10), one O(11), one O(14), one O(15), one O(17), and one O(7) atom to form MoO6 octahedra that share  a cornercorner with one Mg(4)O4 tetrahedra,  a cornercorner with one Mo(7)O4 tetrahedra, corners with two equivalent Mg(2)O4 tetrahedra, corners with two equivalent Mg(6)O4 tetrahedra,  an edgeedge with one Mg(3)O6 octahedra,  an edgeedge with one Mo(6)O6 octahedra, edges with two equivalent Mo(5)O6 octahedra, and edges with two equivalent Mo(9)O6 octahedra. The Mo(3)-O(10) bond length is 2.17 Å. The Mo(3)-O(11) bond length is 2.17 Å. The Mo(3)-O(14) bond length is 2.21 Å. The Mo(3)-O(15) bond length is 2.21 Å. The Mo(3)-O(17) bond length is 2.20 Å. The Mo(3)-O(7) bond length is 2.18 Å. In the fourth Mo site, Mo(4) is bonded to one O(1), one O(12), one O(2), one O(3), one O(8), and one O(9) atom to form MoO6 octahedra that share  a cornercorner with one Mg(2)O4 tetrahedra,  a cornercorner with one Mo(12)O4 tetrahedra, corners with two equivalent Mg(1)O4 tetrahedra, corners with two equivalent Mo(7)O4 tetrahedra,  an edgeedge with one Mg(3)O6 octahedra,  an edgeedge with one Mg(5)O6 octahedra, edges with two equivalent Mo(1)O6 octahedra, and edges with two equivalent Mo(2)O6 octahedra. The Mo(4)-O(1) bond length is 2.17 Å. The Mo(4)-O(12) bond length is 2.20 Å. The Mo(4)-O(2) bond length is 2.18 Å. The Mo(4)-O(3) bond length is 2.17 Å. The Mo(4)-O(8) bond length is 2.19 Å. The Mo(4)-O(9) bond length is 2.17 Å. In the fifth Mo site, Mo(5) is bonded to one O(11), one O(14), one O(17), one O(20), one O(5), and one O(7) atom to form MoO6 octahedra that share  a cornercorner with one Mg(4)O4 tetrahedra,  a cornercorner with one Mo(7)O4 tetrahedra, corners with two equivalent Mg(2)O4 tetrahedra, corners with two equivalent Mg(6)O4 tetrahedra,  an edgeedge with one Mg(3)O6 octahedra,  an edgeedge with one Mo(6)O6 octahedra, edges with two equivalent Mo(3)O6 octahedra, and edges with two equivalent Mo(9)O6 octahedra. The Mo(5)-O(11) bond length is 2.16 Å. The Mo(5)-O(14) bond length is 2.20 Å. The Mo(5)-O(17) bond length is 2.20 Å. The Mo(5)-O(20) bond length is 2.22 Å. The Mo(5)-O(5) bond length is 2.17 Å. The Mo(5)-O(7) bond length is 2.18 Å. In the sixth Mo site, Mo(6) is bonded to one O(13), one O(14), one O(15), one O(18), one O(19), and one O(20) atom to form MoO6 octahedra that share corners with three equivalent Mg(4)O4 tetrahedra, corners with three equivalent Mg(6)O4 tetrahedra,  an edgeedge with one Mo(10)O6 octahedra,  an edgeedge with one Mo(11)O6 octahedra,  an edgeedge with one Mo(3)O6 octahedra,  an edgeedge with one Mo(5)O6 octahedra,  an edgeedge with one Mo(8)O6 octahedra, and  an edgeedge with one Mo(9)O6 octahedra. The Mo(6)-O(13) bond length is 2.20 Å. The Mo(6)-O(14) bond length is 2.17 Å. The Mo(6)-O(15) bond length is 2.17 Å. The Mo(6)-O(18) bond length is 2.21 Å. The Mo(6)-O(19) bond length is 2.22 Å. The Mo(6)-O(20) bond length is 2.17 Å. In the seventh Mo site, Mo(7) is bonded to one O(12), one O(17), one O(6), and one O(8) atom to form MoO4 tetrahedra that share  a cornercorner with one Mo(3)O6 octahedra,  a cornercorner with one Mo(5)O6 octahedra,  a cornercorner with one Mo(9)O6 octahedra, corners with two equivalent Mo(1)O6 octahedra, corners with two equivalent Mo(2)O6 octahedra, corners with two equivalent Mo(4)O6 octahedra, and corners with three equivalent Mg(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-66°. The Mo(7)-O(12) bond length is 2.10 Å. The Mo(7)-O(17) bond length is 2.12 Å. The Mo(7)-O(6) bond length is 2.08 Å. The Mo(7)-O(8) bond length is 2.11 Å. In the eighth Mo site, Mo(8) is bonded to one O(16), one O(18), one O(19), one O(21), one O(22), and one O(23) atom to form MoO6 octahedra that share  a cornercorner with one Mg(1)O4 tetrahedra,  a cornercorner with one Mg(6)O4 tetrahedra, corners with two equivalent Mg(4)O4 tetrahedra, corners with two equivalent Mo(12)O4 tetrahedra,  an edgeedge with one Mg(5)O6 octahedra,  an edgeedge with one Mo(6)O6 octahedra, edges with two equivalent Mo(10)O6 octahedra, and edges with two equivalent Mo(11)O6 octahedra. The Mo(8)-O(16) bond length is 2.18 Å. The Mo(8)-O(18) bond length is 2.18 Å. The Mo(8)-O(19) bond length is 2.18 Å. The Mo(8)-O(21) bond length is 2.17 Å. The Mo(8)-O(22) bond length is 2.19 Å. The Mo(8)-O(23) bond length is 2.18 Å. In the ninth Mo site, Mo(9) is bonded to one O(10), one O(15), one O(17), one O(20), one O(5), and one O(7) atom to form MoO6 octahedra that share  a cornercorner with one Mg(4)O4 tetrahedra,  a cornercorner with one Mo(7)O4 tetrahedra, corners with two equivalent Mg(2)O4 tetrahedra, corners with two equivalent Mg(6)O4 tetrahedra,  an edgeedge with one Mg(3)O6 octahedra,  an edgeedge with one Mo(6)O6 octahedra, edges with two equivalent Mo(3)O6 octahedra, and edges with two equivalent Mo(5)O6 octahedra. The Mo(9)-O(10) bond length is 2.16 Å. The Mo(9)-O(15) bond length is 2.20 Å. The Mo(9)-O(17) bond length is 2.15 Å. The Mo(9)-O(20) bond length is 2.21 Å. The Mo(9)-O(5) bond length is 2.16 Å. The Mo(9)-O(7) bond length is 2.19 Å. In the tenth Mo site, Mo(10) is bonded to one O(13), one O(16), one O(19), one O(21), one O(23), and one O(24) atom to form MoO6 octahedra that share  a cornercorner with one Mg(1)O4 tetrahedra,  a cornercorner with one Mg(6)O4 tetrahedra, corners with two equivalent Mg(4)O4 tetrahedra, corners with two equivalent Mo(12)O4 tetrahedra,  an edgeedge with one Mg(5)O6 octahedra,  an edgeedge with one Mo(6)O6 octahedra, edges with two equivalent Mo(11)O6 octahedra, and edges with two equivalent Mo(8)O6 octahedra. The Mo(10)-O(13) bond length is 2.18 Å. The Mo(10)-O(16) bond length is 2.20 Å. The Mo(10)-O(19) bond length is 2.17 Å. The Mo(10)-O(21) bond length is 2.18 Å. The Mo(10)-O(23) bond length is 2.18 Å. The Mo(10)-O(24) bond length is 2.15 Å. In the eleventh Mo site, Mo(11) is bonded to one O(13), one O(16), one O(18), one O(22), one O(23), and one O(24) atom to form MoO6 octahedra that share  a cornercorner with one Mg(1)O4 tetrahedra,  a cornercorner with one Mg(6)O4 tetrahedra, corners with two equivalent Mg(4)O4 tetrahedra, corners with two equivalent Mo(12)O4 tetrahedra,  an edgeedge with one Mg(5)O6 octahedra,  an edgeedge with one Mo(6)O6 octahedra, edges with two equivalent Mo(10)O6 octahedra, and edges with two equivalent Mo(8)O6 octahedra. The Mo(11)-O(13) bond length is 2.18 Å. The Mo(11)-O(16) bond length is 2.20 Å. The Mo(11)-O(18) bond length is 2.17 Å. The Mo(11)-O(22) bond length is 2.18 Å. The Mo(11)-O(23) bond length is 2.19 Å. The Mo(11)-O(24) bond length is 2.14 Å. In the twelfth Mo site, Mo(12) is bonded to one O(21), one O(22), one O(24), and one O(9) atom to form MoO4 tetrahedra that share  a cornercorner with one Mo(1)O6 octahedra,  a cornercorner with one Mo(2)O6 octahedra,  a cornercorner with one Mo(4)O6 octahedra, corners with two equivalent Mo(10)O6 octahedra, corners with two equivalent Mo(11)O6 octahedra, corners with two equivalent Mo(8)O6 octahedra, and corners with three equivalent Mg(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-64°. The Mo(12)-O(21) bond length is 2.06 Å. The Mo(12)-O(22) bond length is 2.06 Å. The Mo(12)-O(24) bond length is 2.14 Å. The Mo(12)-O(9) bond length is 2.16 Å. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mg(5), one Mo(2), and one Mo(4) atom. In the second O site, O(2) is bonded in a rectangular see-saw-like geometry to one Mg(2), one Mo(1), one Mo(2), and one Mo(4) atom. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mg(5), one Mo(1), and one Mo(4) atom. In the fourth O site, O(4) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mg(5), one Mo(1), and one Mo(2) atom. In the fifth O site, O(5) is bonded in a rectangular see-saw-like geometry to one Mg(2), one Mg(3), one Mo(5), and one Mo(9) atom. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Mg(3), one Mo(1), one Mo(2), and one Mo(7) atom. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Mg(4), one Mo(3), one Mo(5), and one Mo(9) atom. In the eighth O site, O(8) is bonded in a rectangular see-saw-like geometry to one Mg(3), one Mo(1), one Mo(4), and one Mo(7) atom. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Mo(1), one Mo(12), one Mo(2), and one Mo(4) atom. In the tenth O site, O(10) is bonded in a rectangular see-saw-like geometry to one Mg(2), one Mg(3), one Mo(3), and one Mo(9) atom. In the eleventh O site, O(11) is bonded in a rectangular see-saw-like geometry to one Mg(2), one Mg(3), one Mo(3), and one Mo(5) atom. In the twelfth O site, O(12) is bonded in a rectangular see-saw-like geometry to one Mg(3), one Mo(2), one Mo(4), and one Mo(7) atom. In the thirteenth O site, O(13) is bonded in a rectangular see-saw-like geometry to one Mg(4), one Mo(10), one Mo(11), and one Mo(6) atom. In the fourteenth O site, O(14) is bonded in a rectangular see-saw-like geometry to one Mg(6), one Mo(3), one Mo(5), and one Mo(6) atom. In the fifteenth O site, O(15) is bonded in a rectangular see-saw-like geometry to one Mg(6), one Mo(3), one Mo(6), and one Mo(9) atom. In the sixteenth O site, O(16) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mo(10), one Mo(11), and one Mo(8) atom. In the seventeenth O site, O(17) is bonded in a rectangular see-saw-like geometry to one Mo(3), one Mo(5), one Mo(7), and one Mo(9) atom. In the eighteenth O site, O(18) is bonded in a rectangular see-saw-like geometry to one Mg(4), one Mo(11), one Mo(6), and one Mo(8) atom. In the nineteenth O site, O(19) is bonded in a distorted rectangular see-saw-like geometry to one Mg(4), one Mo(10), one Mo(6), and one Mo(8) atom. In the twentieth O site, O(20) is bonded in a distorted rectangular see-saw-like geometry to one Mg(6), one Mo(5), one Mo(6), and one Mo(9) atom. In the twenty-first O site, O(21) is bonded in a rectangular see-saw-like geometry to one Mg(5), one Mo(10), one Mo(12), and one Mo(8) atom. In the twenty-second O site, O(22) is bonded in a rectangular see-saw-like geometry to one Mg(5), one Mo(11), one Mo(12), and one Mo(8) atom. In the twenty-third O site, O(23) is bonded in a rectangular see-saw-like geometry to one Mg(6), one Mo(10), one Mo(11), and one Mo(8) atom. In the twenty-fourth O site, O(24) is bonded in a distorted trigonal pyramidal geometry to one Mg(5), one Mo(10), one Mo(11), and one Mo(12) atom.