W3MoCd4O16 crystallizes in the monoclinic C2 space group. There are three inequivalent W sites. In the first W site, W(1) is bonded to two equivalent O(1), two equivalent O(6), and two equivalent O(8) atoms to form distorted WO6 octahedra that share corners with four equivalent Cd(1)O6 octahedra, corners with four equivalent Cd(2)O6 octahedra, and edges with two equivalent Mo(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-59°. In the second W site, W(2) is bonded to two equivalent O(2), two equivalent O(5), and two equivalent O(7) atoms to form distorted WO6 octahedra that share corners with four equivalent Cd(1)O6 octahedra, corners with four equivalent Cd(2)O6 octahedra, and edges with two equivalent W(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-59°. In the third W site, W(3) is bonded to two equivalent O(4), two equivalent O(5), and two equivalent O(7) atoms to form distorted WO6 octahedra that share corners with four equivalent Cd(1)O6 octahedra, corners with four equivalent Cd(2)O6 octahedra, and edges with two equivalent W(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-59°. Mo(1) is bonded to two equivalent O(3), two equivalent O(6), and two equivalent O(8) atoms to form distorted MoO6 octahedra that share corners with four equivalent Cd(1)O6 octahedra, corners with four equivalent Cd(2)O6 octahedra, and edges with two equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-60°. There are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(7), and one O(8) atom to form distorted CdO6 octahedra that share corners with two equivalent W(1)O6 octahedra, corners with two equivalent W(2)O6 octahedra, corners with two equivalent W(3)O6 octahedra, corners with two equivalent Mo(1)O6 octahedra, and edges with two equivalent Cd(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-60°. In the second Cd site, Cd(2) 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 distorted CdO6 octahedra that share corners with two equivalent W(1)O6 octahedra, corners with two equivalent W(2)O6 octahedra, corners with two equivalent W(3)O6 octahedra, corners with two equivalent Mo(1)O6 octahedra, and edges with two equivalent Cd(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-59°. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one W(1), one Cd(1), and one Cd(2) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one W(2), one Cd(1), and one Cd(2) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Mo(1), one Cd(1), and one Cd(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one W(3), one Cd(1), and one Cd(2) atom. In the fifth O site, O(5) is bonded in a trigonal planar geometry to one W(2), one W(3), and one Cd(2) atom. In the sixth O site, O(6) is bonded in a trigonal planar geometry to one W(1), one Mo(1), and one Cd(2) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one W(2), one W(3), and one Cd(1) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one W(1), one Mo(1), and one Cd(1) atom.
W3MoCd4O16 crystallizes in the monoclinic C2 space group. There are three inequivalent W sites. In the first W site, W(1) is bonded to two equivalent O(1), two equivalent O(6), and two equivalent O(8) atoms to form distorted WO6 octahedra that share corners with four equivalent Cd(1)O6 octahedra, corners with four equivalent Cd(2)O6 octahedra, and edges with two equivalent Mo(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-59°. Both W(1)-O(1) bond lengths are 1.84 Å. Both W(1)-O(6) bond lengths are 2.15 Å. Both W(1)-O(8) bond lengths are 1.95 Å. In the second W site, W(2) is bonded to two equivalent O(2), two equivalent O(5), and two equivalent O(7) atoms to form distorted WO6 octahedra that share corners with four equivalent Cd(1)O6 octahedra, corners with four equivalent Cd(2)O6 octahedra, and edges with two equivalent W(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-59°. Both W(2)-O(2) bond lengths are 1.83 Å. Both W(2)-O(5) bond lengths are 2.15 Å. Both W(2)-O(7) bond lengths are 1.96 Å. In the third W site, W(3) is bonded to two equivalent O(4), two equivalent O(5), and two equivalent O(7) atoms to form distorted WO6 octahedra that share corners with four equivalent Cd(1)O6 octahedra, corners with four equivalent Cd(2)O6 octahedra, and edges with two equivalent W(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-59°. Both W(3)-O(4) bond lengths are 1.83 Å. Both W(3)-O(5) bond lengths are 1.96 Å. Both W(3)-O(7) bond lengths are 2.15 Å. Mo(1) is bonded to two equivalent O(3), two equivalent O(6), and two equivalent O(8) atoms to form distorted MoO6 octahedra that share corners with four equivalent Cd(1)O6 octahedra, corners with four equivalent Cd(2)O6 octahedra, and edges with two equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-60°. Both Mo(1)-O(3) bond lengths are 1.80 Å. Both Mo(1)-O(6) bond lengths are 1.95 Å. Both Mo(1)-O(8) bond lengths are 2.19 Å. There are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(7), and one O(8) atom to form distorted CdO6 octahedra that share corners with two equivalent W(1)O6 octahedra, corners with two equivalent W(2)O6 octahedra, corners with two equivalent W(3)O6 octahedra, corners with two equivalent Mo(1)O6 octahedra, and edges with two equivalent Cd(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-60°. The Cd(1)-O(1) bond length is 2.28 Å. The Cd(1)-O(2) bond length is 2.30 Å. The Cd(1)-O(3) bond length is 2.49 Å. The Cd(1)-O(4) bond length is 2.45 Å. The Cd(1)-O(7) bond length is 2.27 Å. The Cd(1)-O(8) bond length is 2.23 Å. In the second Cd site, Cd(2) 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 distorted CdO6 octahedra that share corners with two equivalent W(1)O6 octahedra, corners with two equivalent W(2)O6 octahedra, corners with two equivalent W(3)O6 octahedra, corners with two equivalent Mo(1)O6 octahedra, and edges with two equivalent Cd(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-59°. The Cd(2)-O(1) bond length is 2.45 Å. The Cd(2)-O(2) bond length is 2.45 Å. The Cd(2)-O(3) bond length is 2.30 Å. The Cd(2)-O(4) bond length is 2.28 Å. The Cd(2)-O(5) bond length is 2.27 Å. The Cd(2)-O(6) bond length is 2.27 Å. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one W(1), one Cd(1), and one Cd(2) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one W(2), one Cd(1), and one Cd(2) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Mo(1), one Cd(1), and one Cd(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one W(3), one Cd(1), and one Cd(2) atom. In the fifth O site, O(5) is bonded in a trigonal planar geometry to one W(2), one W(3), and one Cd(2) atom. In the sixth O site, O(6) is bonded in a trigonal planar geometry to one W(1), one Mo(1), and one Cd(2) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one W(2), one W(3), and one Cd(1) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one W(1), one Mo(1), and one Cd(1) atom.