WO3 crystallizes in the triclinic P-1 space group. There are four inequivalent W sites. In the first W site, W(1) is bonded to one O(11), one O(12), one O(2), one O(3), one O(6), and one O(7) atom to form distorted corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 14-22°. In the second W site, W(2) is bonded to one O(1), one O(11), one O(12), one O(4), one O(5), and one O(8) atom to form distorted corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 14-24°. In the third W site, W(3) is bonded to one O(10), one O(2), one O(3), one O(6), one O(7), and one O(9) atom to form distorted corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 14-22°. In the fourth W site, W(4) is bonded to one O(1), one O(10), one O(4), one O(5), one O(8), and one O(9) atom to form distorted corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 14-24°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one W(2) and one W(4) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one W(1) and one W(3) atom. In the third O site, O(3) is bonded in a distorted linear geometry to one W(1) and one W(3) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to one W(2) and one W(4) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one W(2) and one W(4) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one W(1) and one W(3) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one W(1) and one W(3) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one W(2) and one W(4) atom. In the ninth O site, O(9) is bonded in a linear geometry to one W(3) and one W(4) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one W(3) and one W(4) atom. In the eleventh O site, O(11) is bonded in a linear geometry to one W(1) and one W(2) atom. In the twelfth O site, O(12) is bonded in a bent 150 degrees geometry to one W(1) and one W(2) atom.
WO3 crystallizes in the triclinic P-1 space group. There are four inequivalent W sites. In the first W site, W(1) is bonded to one O(11), one O(12), one O(2), one O(3), one O(6), and one O(7) atom to form distorted corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 14-22°. The W(1)-O(11) bond length is 2.03 Å. The W(1)-O(12) bond length is 1.81 Å. The W(1)-O(2) bond length is 2.14 Å. The W(1)-O(3) bond length is 1.77 Å. The W(1)-O(6) bond length is 1.96 Å. The W(1)-O(7) bond length is 1.86 Å. In the second W site, W(2) is bonded to one O(1), one O(11), one O(12), one O(4), one O(5), and one O(8) atom to form distorted corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 14-24°. The W(2)-O(1) bond length is 2.15 Å. The W(2)-O(11) bond length is 1.81 Å. The W(2)-O(12) bond length is 2.03 Å. The W(2)-O(4) bond length is 1.77 Å. The W(2)-O(5) bond length is 1.85 Å. The W(2)-O(8) bond length is 1.97 Å. In the third W site, W(3) is bonded to one O(10), one O(2), one O(3), one O(6), one O(7), and one O(9) atom to form distorted corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 14-22°. The W(3)-O(10) bond length is 1.81 Å. The W(3)-O(2) bond length is 1.77 Å. The W(3)-O(3) bond length is 2.14 Å. The W(3)-O(6) bond length is 1.86 Å. The W(3)-O(7) bond length is 1.96 Å. The W(3)-O(9) bond length is 2.03 Å. In the fourth W site, W(4) is bonded to one O(1), one O(10), one O(4), one O(5), one O(8), and one O(9) atom to form distorted corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 14-24°. The W(4)-O(1) bond length is 1.77 Å. The W(4)-O(10) bond length is 2.03 Å. The W(4)-O(4) bond length is 2.15 Å. The W(4)-O(5) bond length is 1.97 Å. The W(4)-O(8) bond length is 1.85 Å. The W(4)-O(9) bond length is 1.81 Å. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one W(2) and one W(4) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one W(1) and one W(3) atom. In the third O site, O(3) is bonded in a distorted linear geometry to one W(1) and one W(3) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to one W(2) and one W(4) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one W(2) and one W(4) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one W(1) and one W(3) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one W(1) and one W(3) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one W(2) and one W(4) atom. In the ninth O site, O(9) is bonded in a linear geometry to one W(3) and one W(4) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one W(3) and one W(4) atom. In the eleventh O site, O(11) is bonded in a linear geometry to one W(1) and one W(2) atom. In the twelfth O site, O(12) is bonded in a bent 150 degrees geometry to one W(1) and one W(2) atom.