K(WO3)3 crystallizes in the monoclinic Cc space group. K(1) is bonded in a 9-coordinate geometry to one O(3), one O(4), one O(8), two equivalent O(2), two equivalent O(6), and two equivalent O(7) atoms. There are three inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(7) atom to form corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 5-33°. In the second W site, W(2) is bonded to one O(1), one O(2), one O(3), one O(5), one O(6), and one O(8) atom to form corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 5-33°. In the third W site, W(3) is bonded to one O(4), one O(6), one O(7), one O(8), and two equivalent O(9) atoms to form corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 6-32°. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a linear geometry to one W(1) and one W(2) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to two equivalent K(1), one W(1), and one W(2) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one K(1), one W(1), and one W(2) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one K(1), one W(1), and one W(3) atom. In the fifth O site, O(5) is bonded in a linear geometry to one W(1) and one W(2) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to two equivalent K(1), one W(2), and one W(3) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to two equivalent K(1), one W(1), and one W(3) atom. In the eighth O site, O(8) is bonded in a distorted bent 150 degrees geometry to one K(1), one W(2), and one W(3) atom. In the ninth O site, O(9) is bonded in a linear geometry to two equivalent W(3) atoms.
K(WO3)3 crystallizes in the monoclinic Cc space group. K(1) is bonded in a 9-coordinate geometry to one O(3), one O(4), one O(8), two equivalent O(2), two equivalent O(6), and two equivalent O(7) atoms. The K(1)-O(3) bond length is 3.24 Å. The K(1)-O(4) bond length is 3.23 Å. The K(1)-O(8) bond length is 3.24 Å. There is one shorter (3.31 Å) and one longer (3.39 Å) K(1)-O(2) bond length. There is one shorter (3.32 Å) and one longer (3.39 Å) K(1)-O(6) bond length. There is one shorter (3.30 Å) and one longer (3.37 Å) K(1)-O(7) bond length. There are three inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(7) atom to form corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 5-33°. The W(1)-O(1) bond length is 2.00 Å. The W(1)-O(2) bond length is 1.95 Å. The W(1)-O(3) bond length is 1.94 Å. The W(1)-O(4) bond length is 2.00 Å. The W(1)-O(5) bond length is 2.00 Å. The W(1)-O(7) bond length is 2.00 Å. In the second W site, W(2) is bonded to one O(1), one O(2), one O(3), one O(5), one O(6), and one O(8) atom to form corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 5-33°. The W(2)-O(1) bond length is 1.90 Å. The W(2)-O(2) bond length is 1.97 Å. The W(2)-O(3) bond length is 1.95 Å. The W(2)-O(5) bond length is 1.90 Å. The W(2)-O(6) bond length is 1.95 Å. The W(2)-O(8) bond length is 1.97 Å. In the third W site, W(3) is bonded to one O(4), one O(6), one O(7), one O(8), and two equivalent O(9) atoms to form corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 6-32°. The W(3)-O(4) bond length is 1.92 Å. The W(3)-O(6) bond length is 1.94 Å. The W(3)-O(7) bond length is 1.92 Å. The W(3)-O(8) bond length is 1.96 Å. Both W(3)-O(9) bond lengths are 1.95 Å. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a linear geometry to one W(1) and one W(2) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to two equivalent K(1), one W(1), and one W(2) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one K(1), one W(1), and one W(2) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one K(1), one W(1), and one W(3) atom. In the fifth O site, O(5) is bonded in a linear geometry to one W(1) and one W(2) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to two equivalent K(1), one W(2), and one W(3) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to two equivalent K(1), one W(1), and one W(3) atom. In the eighth O site, O(8) is bonded in a distorted bent 150 degrees geometry to one K(1), one W(2), and one W(3) atom. In the ninth O site, O(9) is bonded in a linear geometry to two equivalent W(3) atoms.