Sb8O11Cl2 crystallizes in the triclinic P-1 space group. There are eight inequivalent Sb sites. In the first Sb site, Sb(1) is bonded in an L-shaped geometry to one O(1) and one O(4) atom. In the second Sb site, Sb(2) is bonded in a distorted trigonal non-coplanar geometry to one O(2), one O(3), and one O(5) atom. In the third Sb site, Sb(3) is bonded in a 4-coordinate geometry to one O(2), one O(8), one Cl(1), and one Cl(2) atom. In the fourth Sb site, Sb(4) is bonded in a water-like geometry to one O(10) and one O(6) atom. In the fifth Sb site, Sb(5) is bonded in a distorted rectangular see-saw-like geometry to one O(10), one O(12), one O(5), and one O(6) atom. In the sixth Sb site, Sb(6) is bonded in a distorted T-shaped geometry to one O(1), one O(7), and one O(9) atom. In the seventh Sb site, Sb(7) is bonded in a trigonal non-coplanar geometry to one O(3), one O(7), and one O(8) atom. In the eighth Sb site, Sb(8) is bonded in a distorted T-shaped geometry to one O(11), 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 bent 150 degrees geometry to one Sb(1) and one Sb(6) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Sb(2) and one Sb(3) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Sb(2) and one Sb(7) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Sb(1) and one Sb(8) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Sb(2) and one Sb(5) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Sb(4) and one Sb(5) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one Sb(6) and one Sb(7) atom. In the eighth O site, O(8) is bonded in a water-like geometry to one Sb(3) and one Sb(7) atom. In the ninth O site, O(9) is bonded in a linear geometry to one Sb(6) and one Sb(8) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Sb(4) and one Sb(5) atom. In the eleventh O site, O(11) is bonded in a linear geometry to two equivalent Sb(8) atoms. In the twelfth O site, O(12) is bonded in a linear geometry to two equivalent Sb(5) atoms. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a distorted single-bond geometry to one Sb(3) atom. In the second Cl site, Cl(2) is bonded in a single-bond geometry to one Sb(3) atom.
Sb8O11Cl2 crystallizes in the triclinic P-1 space group. There are eight inequivalent Sb sites. In the first Sb site, Sb(1) is bonded in an L-shaped geometry to one O(1) and one O(4) atom. The Sb(1)-O(1) bond length is 1.94 Å. The Sb(1)-O(4) bond length is 1.98 Å. In the second Sb site, Sb(2) is bonded in a distorted trigonal non-coplanar geometry to one O(2), one O(3), and one O(5) atom. The Sb(2)-O(2) bond length is 2.03 Å. The Sb(2)-O(3) bond length is 2.04 Å. The Sb(2)-O(5) bond length is 1.93 Å. In the third Sb site, Sb(3) is bonded in a 4-coordinate geometry to one O(2), one O(8), one Cl(1), and one Cl(2) atom. The Sb(3)-O(2) bond length is 2.02 Å. The Sb(3)-O(8) bond length is 2.31 Å. The Sb(3)-Cl(1) bond length is 2.50 Å. The Sb(3)-Cl(2) bond length is 2.59 Å. In the fourth Sb site, Sb(4) is bonded in a water-like geometry to one O(10) and one O(6) atom. The Sb(4)-O(10) bond length is 1.92 Å. The Sb(4)-O(6) bond length is 1.92 Å. In the fifth Sb site, Sb(5) is bonded in a distorted rectangular see-saw-like geometry to one O(10), one O(12), one O(5), and one O(6) atom. The Sb(5)-O(10) bond length is 2.21 Å. The Sb(5)-O(12) bond length is 1.94 Å. The Sb(5)-O(5) bond length is 2.01 Å. The Sb(5)-O(6) bond length is 2.26 Å. In the sixth Sb site, Sb(6) is bonded in a distorted T-shaped geometry to one O(1), one O(7), and one O(9) atom. The Sb(6)-O(1) bond length is 2.03 Å. The Sb(6)-O(7) bond length is 2.01 Å. The Sb(6)-O(9) bond length is 1.98 Å. In the seventh Sb site, Sb(7) is bonded in a trigonal non-coplanar geometry to one O(3), one O(7), and one O(8) atom. The Sb(7)-O(3) bond length is 1.97 Å. The Sb(7)-O(7) bond length is 1.95 Å. The Sb(7)-O(8) bond length is 1.92 Å. In the eighth Sb site, Sb(8) is bonded in a distorted T-shaped geometry to one O(11), one O(4), and one O(9) atom. The Sb(8)-O(11) bond length is 2.00 Å. The Sb(8)-O(4) bond length is 1.98 Å. The Sb(8)-O(9) bond length is 1.96 Å. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Sb(1) and one Sb(6) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Sb(2) and one Sb(3) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Sb(2) and one Sb(7) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Sb(1) and one Sb(8) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Sb(2) and one Sb(5) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Sb(4) and one Sb(5) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one Sb(6) and one Sb(7) atom. In the eighth O site, O(8) is bonded in a water-like geometry to one Sb(3) and one Sb(7) atom. In the ninth O site, O(9) is bonded in a linear geometry to one Sb(6) and one Sb(8) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Sb(4) and one Sb(5) atom. In the eleventh O site, O(11) is bonded in a linear geometry to two equivalent Sb(8) atoms. In the twelfth O site, O(12) is bonded in a linear geometry to two equivalent Sb(5) atoms. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a distorted single-bond geometry to one Sb(3) atom. In the second Cl site, Cl(2) is bonded in a single-bond geometry to one Sb(3) atom.