WO2 crystallizes in the triclinic P1 space group. There are sixteen inequivalent W sites. In the first W site, W(1) is bonded to one O(10), one O(2), one O(3), one O(4), one O(5), and one O(7) atom to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 40-54°. In the second W site, W(2) is bonded to one O(11), one O(12), one O(5), one O(6), one O(7), and one O(9) atom to form a mixture of distorted face, corner, and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 53-54°. In the third W site, W(3) is bonded to one O(1), one O(10), one O(12), one O(2), one O(4), and one O(5) atom to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 40-53°. In the fourth W site, W(4) is bonded to one O(13), one O(15), one O(17), one O(19), one O(20), and one O(8) atom to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 47-53°. In the fifth W site, W(5) is bonded to one O(11), one O(14), one O(15), one O(18), one O(8), and one O(9) atom to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 37-55°. In the sixth W site, W(6) is bonded to one O(12), one O(18), one O(5), one O(6), one O(7), and one O(9) atom to form a mixture of face and corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 37-54°. In the seventh W site, W(7) is bonded to one O(16), one O(22), one O(23), one O(25), one O(27), and one O(28) atom to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 48-51°. In the eighth W site, W(8) is bonded to one O(11), one O(14), one O(18), one O(20), one O(6), and one O(8) atom to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 37-52°. In the ninth W site, W(9) is bonded to one O(16), one O(17), one O(19), one O(21), one O(23), and one O(26) atom to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 50-53°. In the tenth W site, W(10) is bonded to one O(13), one O(14), one O(15), one O(17), one O(20), and one O(26) atom to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 50-55°. In the eleventh W site, W(11) is bonded to one O(13), one O(16), one O(19), one O(21), one O(26), and one O(28) atom to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 50-51°. In the twelfth W site, W(12) is bonded to one O(22), one O(24), one O(27), one O(29), one O(31), and one O(32) atom to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 49-53°. In the thirteenth W site, W(13) is bonded to one O(24), one O(25), one O(27), one O(29), one O(30), and one O(31) atom to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 48-54°. In the fourteenth W site, W(14) is bonded to one O(21), one O(22), one O(23), one O(25), one O(28), and one O(31) atom to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 51-54°. In the fifteenth W site, W(15) is bonded to one O(1), one O(29), one O(3), one O(30), one O(32), and one O(4) atom to form a mixture of distorted face, corner, and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 52-53°. In the sixteenth W site, W(16) is bonded to one O(1), one O(10), one O(29), one O(3), one O(30), and one O(32) atom to form a mixture of face and corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 40-54°. There are thirty-two inequivalent O sites. In the first O site, O(1) is bonded in a T-shaped geometry to one W(15), one W(16), and one W(3) atom. In the second O site, O(2) is bonded in a water-like geometry to one W(1) and one W(3) atom. In the third O site, O(3) is bonded in a T-shaped geometry to one W(1), one W(15), and one W(16) atom. In the fourth O site, O(4) is bonded in a distorted T-shaped geometry to one W(1), one W(15), and one W(3) atom. In the fifth O site, O(5) is bonded in a trigonal pyramidal geometry to one W(1), one W(2), one W(3), and one W(6) atom. In the sixth O site, O(6) is bonded in a T-shaped geometry to one W(2), one W(6), and one W(8) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one W(1), one W(2), and one W(6) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one W(4), one W(5), and one W(8) atom. In the ninth O site, O(9) is bonded in a T-shaped geometry to one W(2), one W(5), and one W(6) atom. In the tenth O site, O(10) is bonded in a trigonal planar geometry to one W(1), one W(16), and one W(3) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal non-coplanar geometry to one W(2), one W(5), and one W(8) atom. In the twelfth O site, O(12) is bonded in a trigonal planar geometry to one W(2), one W(3), and one W(6) atom. In the thirteenth O site, O(13) is bonded in a trigonal planar geometry to one W(10), one W(11), and one W(4) atom. In the fourteenth O site, O(14) is bonded in a trigonal planar geometry to one W(10), one W(5), and one W(8) atom. In the fifteenth O site, O(15) is bonded in a trigonal planar geometry to one W(10), one W(4), and one W(5) atom. In the sixteenth O site, O(16) is bonded in a trigonal planar geometry to one W(11), one W(7), and one W(9) atom. In the seventeenth O site, O(17) is bonded in a trigonal planar geometry to one W(10), one W(4), and one W(9) atom. In the eighteenth O site, O(18) is bonded in a distorted trigonal planar geometry to one W(5), one W(6), and one W(8) atom. In the nineteenth O site, O(19) is bonded in a trigonal planar geometry to one W(11), one W(4), and one W(9) atom. In the twentieth O site, O(20) is bonded in a trigonal planar geometry to one W(10), one W(4), and one W(8) atom. In the twenty-first O site, O(21) is bonded in a trigonal planar geometry to one W(11), one W(14), and one W(9) atom. In the twenty-second O site, O(22) is bonded in a trigonal planar geometry to one W(12), one W(14), and one W(7) atom. In the twenty-third O site, O(23) is bonded in a trigonal planar geometry to one W(14), one W(7), and one W(9) atom. In the twenty-fourth O site, O(24) is bonded in a water-like geometry to one W(12) and one W(13) atom. In the twenty-fifth O site, O(25) is bonded in a trigonal planar geometry to one W(13), one W(14), and one W(7) atom. In the twenty-sixth O site, O(26) is bonded in a trigonal planar geometry to one W(10), one W(11), and one W(9) atom. In the twenty-seventh O site, O(27) is bonded in a distorted trigonal planar geometry to one W(12), one W(13), and one W(7) atom. In the twenty-eighth O site, O(28) is bonded in a trigonal planar geometry to one W(11), one W(14), and one W(7) atom. In the twenty-ninth O site, O(29) is bonded in a trigonal pyramidal geometry to one W(12), one W(13), one W(15), and one W(16) atom. In the thirtieth O site, O(30) is bonded in a distorted trigonal planar geometry to one W(13), one W(15), and one W(16) atom. In the thirty-first O site, O(31) is bonded in a trigonal planar geometry to one W(12), one W(13), and one W(14) atom. In the thirty-second O site, O(32) is bonded in a distorted trigonal planar geometry to one W(12), one W(15), and one W(16) atom.
WO2 crystallizes in the triclinic P1 space group. There are sixteen inequivalent W sites. In the first W site, W(1) is bonded to one O(10), one O(2), one O(3), one O(4), one O(5), and one O(7) atom to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 40-54°. The W(1)-O(10) bond length is 2.15 Å. The W(1)-O(2) bond length is 1.98 Å. The W(1)-O(3) bond length is 2.09 Å. The W(1)-O(4) bond length is 2.12 Å. The W(1)-O(5) bond length is 2.22 Å. The W(1)-O(7) bond length is 2.13 Å. In the second W site, W(2) is bonded to one O(11), one O(12), one O(5), one O(6), one O(7), and one O(9) atom to form a mixture of distorted face, corner, and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 53-54°. The W(2)-O(11) bond length is 2.08 Å. The W(2)-O(12) bond length is 2.04 Å. The W(2)-O(5) bond length is 2.17 Å. The W(2)-O(6) bond length is 2.13 Å. The W(2)-O(7) bond length is 2.04 Å. The W(2)-O(9) bond length is 2.13 Å. In the third W site, W(3) is bonded to one O(1), one O(10), one O(12), one O(2), one O(4), and one O(5) atom to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 40-53°. The W(3)-O(1) bond length is 2.10 Å. The W(3)-O(10) bond length is 2.15 Å. The W(3)-O(12) bond length is 2.14 Å. The W(3)-O(2) bond length is 1.97 Å. The W(3)-O(4) bond length is 2.12 Å. The W(3)-O(5) bond length is 2.21 Å. In the fourth W site, W(4) is bonded to one O(13), one O(15), one O(17), one O(19), one O(20), and one O(8) atom to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 47-53°. The W(4)-O(13) bond length is 2.08 Å. The W(4)-O(15) bond length is 2.08 Å. The W(4)-O(17) bond length is 2.13 Å. The W(4)-O(19) bond length is 2.04 Å. The W(4)-O(20) bond length is 2.12 Å. The W(4)-O(8) bond length is 2.05 Å. In the fifth W site, W(5) is bonded to one O(11), one O(14), one O(15), one O(18), one O(8), and one O(9) atom to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 37-55°. The W(5)-O(11) bond length is 2.13 Å. The W(5)-O(14) bond length is 2.15 Å. The W(5)-O(15) bond length is 2.02 Å. The W(5)-O(18) bond length is 2.13 Å. The W(5)-O(8) bond length is 2.06 Å. The W(5)-O(9) bond length is 2.11 Å. In the sixth W site, W(6) is bonded to one O(12), one O(18), one O(5), one O(6), one O(7), and one O(9) atom to form a mixture of face and corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 37-54°. The W(6)-O(12) bond length is 2.13 Å. The W(6)-O(18) bond length is 2.02 Å. The W(6)-O(5) bond length is 2.19 Å. The W(6)-O(6) bond length is 2.14 Å. The W(6)-O(7) bond length is 2.14 Å. The W(6)-O(9) bond length is 2.13 Å. In the seventh W site, W(7) is bonded to one O(16), one O(22), one O(23), one O(25), one O(27), and one O(28) atom to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 48-51°. The W(7)-O(16) bond length is 2.06 Å. The W(7)-O(22) bond length is 2.10 Å. The W(7)-O(23) bond length is 2.11 Å. The W(7)-O(25) bond length is 2.10 Å. The W(7)-O(27) bond length is 2.00 Å. The W(7)-O(28) bond length is 2.11 Å. In the eighth W site, W(8) is bonded to one O(11), one O(14), one O(18), one O(20), one O(6), and one O(8) atom to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 37-52°. The W(8)-O(11) bond length is 2.10 Å. The W(8)-O(14) bond length is 2.05 Å. The W(8)-O(18) bond length is 2.17 Å. The W(8)-O(20) bond length is 2.08 Å. The W(8)-O(6) bond length is 2.08 Å. The W(8)-O(8) bond length is 2.14 Å. In the ninth W site, W(9) is bonded to one O(16), one O(17), one O(19), one O(21), one O(23), and one O(26) atom to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 50-53°. The W(9)-O(16) bond length is 2.10 Å. The W(9)-O(17) bond length is 2.06 Å. The W(9)-O(19) bond length is 2.12 Å. The W(9)-O(21) bond length is 2.13 Å. The W(9)-O(23) bond length is 2.03 Å. The W(9)-O(26) bond length is 2.12 Å. In the tenth W site, W(10) is bonded to one O(13), one O(14), one O(15), one O(17), one O(20), and one O(26) atom to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 50-55°. The W(10)-O(13) bond length is 2.13 Å. The W(10)-O(14) bond length is 2.08 Å. The W(10)-O(15) bond length is 2.15 Å. The W(10)-O(17) bond length is 2.08 Å. The W(10)-O(20) bond length is 2.07 Å. The W(10)-O(26) bond length is 2.05 Å. In the eleventh W site, W(11) is bonded to one O(13), one O(16), one O(19), one O(21), one O(26), and one O(28) atom to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 50-51°. The W(11)-O(13) bond length is 2.03 Å. The W(11)-O(16) bond length is 2.11 Å. The W(11)-O(19) bond length is 2.12 Å. The W(11)-O(21) bond length is 2.12 Å. The W(11)-O(26) bond length is 2.12 Å. The W(11)-O(28) bond length is 2.03 Å. In the twelfth W site, W(12) is bonded to one O(22), one O(24), one O(27), one O(29), one O(31), and one O(32) atom to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 49-53°. The W(12)-O(22) bond length is 2.04 Å. The W(12)-O(24) bond length is 1.98 Å. The W(12)-O(27) bond length is 2.10 Å. The W(12)-O(29) bond length is 2.21 Å. The W(12)-O(31) bond length is 2.14 Å. The W(12)-O(32) bond length is 2.15 Å. In the thirteenth W site, W(13) is bonded to one O(24), one O(25), one O(27), one O(29), one O(30), and one O(31) atom to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 48-54°. The W(13)-O(24) bond length is 1.98 Å. The W(13)-O(25) bond length is 2.03 Å. The W(13)-O(27) bond length is 2.11 Å. The W(13)-O(29) bond length is 2.21 Å. The W(13)-O(30) bond length is 2.15 Å. The W(13)-O(31) bond length is 2.14 Å. In the fourteenth W site, W(14) is bonded to one O(21), one O(22), one O(23), one O(25), one O(28), and one O(31) atom to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 51-54°. The W(14)-O(21) bond length is 2.05 Å. The W(14)-O(22) bond length is 2.10 Å. The W(14)-O(23) bond length is 2.11 Å. The W(14)-O(25) bond length is 2.10 Å. The W(14)-O(28) bond length is 2.11 Å. The W(14)-O(31) bond length is 2.09 Å. In the fifteenth W site, W(15) is bonded to one O(1), one O(29), one O(3), one O(30), one O(32), and one O(4) atom to form a mixture of distorted face, corner, and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 52-53°. The W(15)-O(1) bond length is 2.12 Å. The W(15)-O(29) bond length is 2.14 Å. The W(15)-O(3) bond length is 2.13 Å. The W(15)-O(30) bond length is 2.05 Å. The W(15)-O(32) bond length is 2.05 Å. The W(15)-O(4) bond length is 2.07 Å. In the sixteenth W site, W(16) is bonded to one O(1), one O(10), one O(29), one O(3), one O(30), and one O(32) atom to form a mixture of face and corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 40-54°. The W(16)-O(1) bond length is 2.11 Å. The W(16)-O(10) bond length is 2.09 Å. The W(16)-O(29) bond length is 2.22 Å. The W(16)-O(3) bond length is 2.10 Å. The W(16)-O(30) bond length is 2.10 Å. The W(16)-O(32) bond length is 2.09 Å. There are thirty-two inequivalent O sites. In the first O site, O(1) is bonded in a T-shaped geometry to one W(15), one W(16), and one W(3) atom. In the second O site, O(2) is bonded in a water-like geometry to one W(1) and one W(3) atom. In the third O site, O(3) is bonded in a T-shaped geometry to one W(1), one W(15), and one W(16) atom. In the fourth O site, O(4) is bonded in a distorted T-shaped geometry to one W(1), one W(15), and one W(3) atom. In the fifth O site, O(5) is bonded in a trigonal pyramidal geometry to one W(1), one W(2), one W(3), and one W(6) atom. In the sixth O site, O(6) is bonded in a T-shaped geometry to one W(2), one W(6), and one W(8) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one W(1), one W(2), and one W(6) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one W(4), one W(5), and one W(8) atom. In the ninth O site, O(9) is bonded in a T-shaped geometry to one W(2), one W(5), and one W(6) atom. In the tenth O site, O(10) is bonded in a trigonal planar geometry to one W(1), one W(16), and one W(3) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal non-coplanar geometry to one W(2), one W(5), and one W(8) atom. In the twelfth O site, O(12) is bonded in a trigonal planar geometry to one W(2), one W(3), and one W(6) atom. In the thirteenth O site, O(13) is bonded in a trigonal planar geometry to one W(10), one W(11), and one W(4) atom. In the fourteenth O site, O(14) is bonded in a trigonal planar geometry to one W(10), one W(5), and one W(8) atom. In the fifteenth O site, O(15) is bonded in a trigonal planar geometry to one W(10), one W(4), and one W(5) atom. In the sixteenth O site, O(16) is bonded in a trigonal planar geometry to one W(11), one W(7), and one W(9) atom. In the seventeenth O site, O(17) is bonded in a trigonal planar geometry to one W(10), one W(4), and one W(9) atom. In the eighteenth O site, O(18) is bonded in a distorted trigonal planar geometry to one W(5), one W(6), and one W(8) atom. In the nineteenth O site, O(19) is bonded in a trigonal planar geometry to one W(11), one W(4), and one W(9) atom. In the twentieth O site, O(20) is bonded in a trigonal planar geometry to one W(10), one W(4), and one W(8) atom. In the twenty-first O site, O(21) is bonded in a trigonal planar geometry to one W(11), one W(14), and one W(9) atom. In the twenty-second O site, O(22) is bonded in a trigonal planar geometry to one W(12), one W(14), and one W(7) atom. In the twenty-third O site, O(23) is bonded in a trigonal planar geometry to one W(14), one W(7), and one W(9) atom. In the twenty-fourth O site, O(24) is bonded in a water-like geometry to one W(12) and one W(13) atom. In the twenty-fifth O site, O(25) is bonded in a trigonal planar geometry to one W(13), one W(14), and one W(7) atom. In the twenty-sixth O site, O(26) is bonded in a trigonal planar geometry to one W(10), one W(11), and one W(9) atom. In the twenty-seventh O site, O(27) is bonded in a distorted trigonal planar geometry to one W(12), one W(13), and one W(7) atom. In the twenty-eighth O site, O(28) is bonded in a trigonal planar geometry to one W(11), one W(14), and one W(7) atom. In the twenty-ninth O site, O(29) is bonded in a trigonal pyramidal geometry to one W(12), one W(13), one W(15), and one W(16) atom. In the thirtieth O site, O(30) is bonded in a distorted trigonal planar geometry to one W(13), one W(15), and one W(16) atom. In the thirty-first O site, O(31) is bonded in a trigonal planar geometry to one W(12), one W(13), and one W(14) atom. In the thirty-second O site, O(32) is bonded in a distorted trigonal planar geometry to one W(12), one W(15), and one W(16) atom.