Ba2SnS4O11 crystallizes in the triclinic P-1 space group. There are two inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 7-coordinate geometry to one O(1), one O(3), one O(5), one O(7), one O(8), and two equivalent O(2) atoms. In the second Ba site, Ba(2) is bonded in a 10-coordinate geometry to one O(3), one O(4), two equivalent O(10), two equivalent O(11), two equivalent O(6), and two equivalent O(9) atoms. Sn(1) is bonded in an L-shaped geometry to one O(11) and one O(4) atom. There are four inequivalent S sites. In the first S site, S(1) is bonded in a water-like geometry to one O(2) and one O(8) atom. In the second S site, S(2) is bonded in a trigonal non-coplanar geometry to one O(10), one O(3), and one O(7) atom. In the third S site, S(3) is bonded in a trigonal non-coplanar geometry to one O(4), one O(6), and one O(9) atom. In the fourth S site, S(4) is bonded in a water-like geometry to one O(1) and one O(5) atom. There are eleven inequivalent O sites. In the first O site, O(10) is bonded in a distorted single-bond geometry to two equivalent Ba(2) and one S(2) atom. In the second O site, O(11) is bonded in a 3-coordinate geometry to two equivalent Ba(2) and one Sn(1) atom. In the third O site, O(1) is bonded in a distorted water-like geometry to one Ba(1) and one S(4) atom. In the fourth O site, O(2) is bonded in a distorted single-bond geometry to two equivalent Ba(1) and one S(1) atom. In the fifth O site, O(3) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(2), and one S(2) atom. In the sixth O site, O(4) is bonded in a 2-coordinate geometry to one Ba(2), one Sn(1), and one S(3) atom. In the seventh O site, O(5) is bonded in a distorted single-bond geometry to one Ba(1) and one S(4) atom. In the eighth O site, O(6) is bonded in a distorted single-bond geometry to two equivalent Ba(2) and one S(3) atom. In the ninth O site, O(7) is bonded in a linear geometry to one Ba(1) and one S(2) atom. In the tenth O site, O(8) is bonded in a distorted linear geometry to one Ba(1) and one S(1) atom. In the eleventh O site, O(9) is bonded in a distorted single-bond geometry to two equivalent Ba(2) and one S(3) atom.
Ba2SnS4O11 crystallizes in the triclinic P-1 space group. There are two inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 7-coordinate geometry to one O(1), one O(3), one O(5), one O(7), one O(8), and two equivalent O(2) atoms. The Ba(1)-O(1) bond length is 2.82 Å. The Ba(1)-O(3) bond length is 2.67 Å. The Ba(1)-O(5) bond length is 3.02 Å. The Ba(1)-O(7) bond length is 2.54 Å. The Ba(1)-O(8) bond length is 2.70 Å. There is one shorter (2.99 Å) and one longer (3.02 Å) Ba(1)-O(2) bond length. In the second Ba site, Ba(2) is bonded in a 10-coordinate geometry to one O(3), one O(4), two equivalent O(10), two equivalent O(11), two equivalent O(6), and two equivalent O(9) atoms. The Ba(2)-O(3) bond length is 3.29 Å. The Ba(2)-O(4) bond length is 3.21 Å. There is one shorter (2.93 Å) and one longer (3.54 Å) Ba(2)-O(10) bond length. There is one shorter (2.70 Å) and one longer (2.75 Å) Ba(2)-O(11) bond length. There is one shorter (2.81 Å) and one longer (2.96 Å) Ba(2)-O(6) bond length. There is one shorter (2.83 Å) and one longer (3.38 Å) Ba(2)-O(9) bond length. Sn(1) is bonded in an L-shaped geometry to one O(11) and one O(4) atom. The Sn(1)-O(11) bond length is 1.97 Å. The Sn(1)-O(4) bond length is 2.26 Å. There are four inequivalent S sites. In the first S site, S(1) is bonded in a water-like geometry to one O(2) and one O(8) atom. The S(1)-O(2) bond length is 1.50 Å. The S(1)-O(8) bond length is 1.49 Å. In the second S site, S(2) is bonded in a trigonal non-coplanar geometry to one O(10), one O(3), and one O(7) atom. The S(2)-O(10) bond length is 1.53 Å. The S(2)-O(3) bond length is 1.57 Å. The S(2)-O(7) bond length is 1.53 Å. In the third S site, S(3) is bonded in a trigonal non-coplanar geometry to one O(4), one O(6), and one O(9) atom. The S(3)-O(4) bond length is 1.56 Å. The S(3)-O(6) bond length is 1.48 Å. The S(3)-O(9) bond length is 1.50 Å. In the fourth S site, S(4) is bonded in a water-like geometry to one O(1) and one O(5) atom. The S(4)-O(1) bond length is 1.48 Å. The S(4)-O(5) bond length is 1.49 Å. There are eleven inequivalent O sites. In the first O site, O(10) is bonded in a distorted single-bond geometry to two equivalent Ba(2) and one S(2) atom. In the second O site, O(11) is bonded in a 3-coordinate geometry to two equivalent Ba(2) and one Sn(1) atom. In the third O site, O(1) is bonded in a distorted water-like geometry to one Ba(1) and one S(4) atom. In the fourth O site, O(2) is bonded in a distorted single-bond geometry to two equivalent Ba(1) and one S(1) atom. In the fifth O site, O(3) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(2), and one S(2) atom. In the sixth O site, O(4) is bonded in a 2-coordinate geometry to one Ba(2), one Sn(1), and one S(3) atom. In the seventh O site, O(5) is bonded in a distorted single-bond geometry to one Ba(1) and one S(4) atom. In the eighth O site, O(6) is bonded in a distorted single-bond geometry to two equivalent Ba(2) and one S(3) atom. In the ninth O site, O(7) is bonded in a linear geometry to one Ba(1) and one S(2) atom. In the tenth O site, O(8) is bonded in a distorted linear geometry to one Ba(1) and one S(1) atom. In the eleventh O site, O(9) is bonded in a distorted single-bond geometry to two equivalent Ba(2) and one S(3) atom.