Bi3Sb(WO6)2 crystallizes in the triclinic P1 space group. There are two inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(2), one O(5), one O(6), one O(7), and one O(8) atom to form corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 18-22°. In the second W site, W(2) is bonded to one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 18-22°. There are three inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(11), one O(12), one O(3), and one O(9) atom. In the second Bi site, Bi(2) is bonded in a 6-coordinate geometry to one O(10), one O(11), one O(12), one O(2), one O(4), and one O(9) atom. In the third Bi site, Bi(3) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(11), one O(12), one O(3), and one O(9) atom. Sb(1) is bonded in a 6-coordinate geometry to one O(10), one O(11), one O(12), one O(2), one O(4), and one O(9) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one W(1), one Bi(1), and one Bi(3) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one W(1), one Bi(2), and one Sb(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one W(2), one Bi(1), and one Bi(3) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one W(2), one Bi(2), and one Sb(1) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees 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 one W(1) and one W(2) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one W(1) and one W(2) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one W(1) and one W(2) atom. In the ninth O site, O(9) is bonded to one Bi(1), one Bi(2), one Bi(3), and one Sb(1) atom to form a mixture of distorted corner and edge-sharing OBi3Sb tetrahedra. In the tenth O site, O(10) is bonded to one Bi(1), one Bi(2), one Bi(3), and one Sb(1) atom to form a mixture of distorted corner and edge-sharing OBi3Sb tetrahedra. In the eleventh O site, O(11) is bonded to one Bi(1), one Bi(2), one Bi(3), and one Sb(1) atom to form a mixture of distorted corner and edge-sharing OBi3Sb tetrahedra. In the twelfth O site, O(12) is bonded to one Bi(1), one Bi(2), one Bi(3), and one Sb(1) atom to form a mixture of corner and edge-sharing OBi3Sb tetrahedra.
Bi3Sb(WO6)2 crystallizes in the triclinic P1 space group. There are two inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(2), one O(5), one O(6), one O(7), and one O(8) atom to form corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 18-22°. The W(1)-O(1) bond length is 1.94 Å. The W(1)-O(2) bond length is 1.90 Å. The W(1)-O(5) bond length is 1.88 Å. The W(1)-O(6) bond length is 1.87 Å. The W(1)-O(7) bond length is 2.08 Å. The W(1)-O(8) bond length is 2.06 Å. In the second W site, W(2) is bonded to one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 18-22°. The W(2)-O(3) bond length is 1.93 Å. The W(2)-O(4) bond length is 1.91 Å. The W(2)-O(5) bond length is 2.06 Å. The W(2)-O(6) bond length is 2.08 Å. The W(2)-O(7) bond length is 1.86 Å. The W(2)-O(8) bond length is 1.88 Å. There are three inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(11), one O(12), one O(3), and one O(9) atom. The Bi(1)-O(1) bond length is 2.47 Å. The Bi(1)-O(10) bond length is 2.32 Å. The Bi(1)-O(11) bond length is 2.21 Å. The Bi(1)-O(12) bond length is 2.60 Å. The Bi(1)-O(3) bond length is 2.47 Å. The Bi(1)-O(9) bond length is 2.30 Å. In the second Bi site, Bi(2) is bonded in a 6-coordinate geometry to one O(10), one O(11), one O(12), one O(2), one O(4), and one O(9) atom. The Bi(2)-O(10) bond length is 2.35 Å. The Bi(2)-O(11) bond length is 2.71 Å. The Bi(2)-O(12) bond length is 2.22 Å. The Bi(2)-O(2) bond length is 2.50 Å. The Bi(2)-O(4) bond length is 2.41 Å. The Bi(2)-O(9) bond length is 2.27 Å. In the third Bi site, Bi(3) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(11), one O(12), one O(3), and one O(9) atom. The Bi(3)-O(1) bond length is 2.45 Å. The Bi(3)-O(10) bond length is 2.63 Å. The Bi(3)-O(11) bond length is 2.34 Å. The Bi(3)-O(12) bond length is 2.32 Å. The Bi(3)-O(3) bond length is 2.46 Å. The Bi(3)-O(9) bond length is 2.19 Å. Sb(1) is bonded in a 6-coordinate geometry to one O(10), one O(11), one O(12), one O(2), one O(4), and one O(9) atom. The Sb(1)-O(10) bond length is 2.06 Å. The Sb(1)-O(11) bond length is 2.15 Å. The Sb(1)-O(12) bond length is 2.20 Å. The Sb(1)-O(2) bond length is 2.48 Å. The Sb(1)-O(4) bond length is 2.52 Å. The Sb(1)-O(9) bond length is 2.62 Å. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one W(1), one Bi(1), and one Bi(3) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one W(1), one Bi(2), and one Sb(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one W(2), one Bi(1), and one Bi(3) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one W(2), one Bi(2), and one Sb(1) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees 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 one W(1) and one W(2) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one W(1) and one W(2) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one W(1) and one W(2) atom. In the ninth O site, O(9) is bonded to one Bi(1), one Bi(2), one Bi(3), and one Sb(1) atom to form a mixture of distorted corner and edge-sharing OBi3Sb tetrahedra. In the tenth O site, O(10) is bonded to one Bi(1), one Bi(2), one Bi(3), and one Sb(1) atom to form a mixture of distorted corner and edge-sharing OBi3Sb tetrahedra. In the eleventh O site, O(11) is bonded to one Bi(1), one Bi(2), one Bi(3), and one Sb(1) atom to form a mixture of distorted corner and edge-sharing OBi3Sb tetrahedra. In the twelfth O site, O(12) is bonded to one Bi(1), one Bi(2), one Bi(3), and one Sb(1) atom to form a mixture of corner and edge-sharing OBi3Sb tetrahedra.