Cr(WO4)3 crystallizes in the triclinic P1 space group. There are three inequivalent W sites. In the first W site, W(1) is bonded to one O(10), one O(11), one O(2), one O(3), one O(5), and one O(8) atom to form corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 18-29°. In the second W site, W(2) is bonded to one O(1), one O(11), one O(12), one O(2), one O(4), and one O(9) atom to form distorted WO6 octahedra that share corners with two equivalent W(1)O6 octahedra and corners with four equivalent Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 22-31°. In the third W site, W(3) is bonded to one O(10), one O(3), one O(5), one O(6), one O(7), and one O(8) atom to form distorted WO6 octahedra that share corners with two equivalent Cr(1)O6 octahedra and corners with four equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 18-29°. Cr(1) is bonded to one O(1), one O(12), one O(4), one O(6), one O(7), and one O(9) atom to form distorted CrO6 octahedra that share corners with two equivalent W(3)O6 octahedra and corners with four equivalent W(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 23-31°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one W(2) and one Cr(1) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to 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 W(1) and one W(3) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one W(2) and one Cr(1) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one W(1) and one W(3) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one W(3) and one Cr(1) atom. In the seventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one W(3) and one Cr(1) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one W(1) and one W(3) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one W(2) and one Cr(1) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one W(1) and one W(3) atom. In the eleventh O site, O(11) is bonded in a bent 150 degrees geometry to one W(1) and one W(2) atom. In the twelfth O site, O(12) is bonded in a distorted bent 150 degrees geometry to one W(2) and one Cr(1) atom.
Cr(WO4)3 crystallizes in the triclinic P1 space group. There are three inequivalent W sites. In the first W site, W(1) is bonded to one O(10), one O(11), one O(2), one O(3), one O(5), and one O(8) atom to form corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 18-29°. The W(1)-O(10) bond length is 1.94 Å. The W(1)-O(11) bond length is 1.92 Å. The W(1)-O(2) bond length is 1.95 Å. The W(1)-O(3) bond length is 1.92 Å. The W(1)-O(5) bond length is 1.94 Å. The W(1)-O(8) bond length is 1.92 Å. In the second W site, W(2) is bonded to one O(1), one O(11), one O(12), one O(2), one O(4), and one O(9) atom to form distorted WO6 octahedra that share corners with two equivalent W(1)O6 octahedra and corners with four equivalent Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 22-31°. The W(2)-O(1) bond length is 1.80 Å. The W(2)-O(11) bond length is 1.95 Å. The W(2)-O(12) bond length is 2.20 Å. The W(2)-O(2) bond length is 1.93 Å. The W(2)-O(4) bond length is 2.20 Å. The W(2)-O(9) bond length is 1.79 Å. In the third W site, W(3) is bonded to one O(10), one O(3), one O(5), one O(6), one O(7), and one O(8) atom to form distorted WO6 octahedra that share corners with two equivalent Cr(1)O6 octahedra and corners with four equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 18-29°. The W(3)-O(10) bond length is 1.92 Å. The W(3)-O(3) bond length is 1.94 Å. The W(3)-O(5) bond length is 1.91 Å. The W(3)-O(6) bond length is 1.78 Å. The W(3)-O(7) bond length is 2.23 Å. The W(3)-O(8) bond length is 1.94 Å. Cr(1) is bonded to one O(1), one O(12), one O(4), one O(6), one O(7), and one O(9) atom to form distorted CrO6 octahedra that share corners with two equivalent W(3)O6 octahedra and corners with four equivalent W(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 23-31°. The Cr(1)-O(1) bond length is 2.10 Å. The Cr(1)-O(12) bond length is 1.66 Å. The Cr(1)-O(4) bond length is 1.67 Å. The Cr(1)-O(6) bond length is 2.10 Å. The Cr(1)-O(7) bond length is 1.65 Å. The Cr(1)-O(9) bond length is 2.12 Å. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one W(2) and one Cr(1) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to 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 W(1) and one W(3) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one W(2) and one Cr(1) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one W(1) and one W(3) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one W(3) and one Cr(1) atom. In the seventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one W(3) and one Cr(1) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one W(1) and one W(3) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one W(2) and one Cr(1) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one W(1) and one W(3) atom. In the eleventh O site, O(11) is bonded in a bent 150 degrees geometry to one W(1) and one W(2) atom. In the twelfth O site, O(12) is bonded in a distorted bent 150 degrees geometry to one W(2) and one Cr(1) atom.