Na2SnS3O7 crystallizes in the triclinic P-1 space group. There are two inequivalent Na sites. In the first Na site, Na(1) is bonded in a 5-coordinate geometry to one O(1), one O(4), one O(7), and two equivalent O(6) atoms. In the second Na site, Na(2) is bonded in a 6-coordinate geometry to one O(3), one O(5), one O(6), one O(7), and two equivalent O(4) atoms. Sn(1) is bonded in a distorted single-bond geometry to two equivalent S(3) and one O(1) atom. There are three inequivalent S sites. In the first S site, S(1) is bonded in a trigonal non-coplanar geometry to one O(1), one O(3), and one O(6) atom. In the second S site, S(2) is bonded in a trigonal non-coplanar geometry to one O(2), one O(5), and one O(7) atom. In the third S site, S(3) is bonded in a distorted single-bond geometry to two equivalent Sn(1) and one O(5) atom. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a distorted T-shaped geometry to one Na(1), one Sn(1), and one S(1) atom. In the second O site, O(2) is bonded in a distorted water-like geometry to one S(2) and one O(4) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Na(2) and one S(1) atom. In the fourth O site, O(4) is bonded to one Na(1), two equivalent Na(2), and one O(2) atom to form distorted edge-sharing ONa3O tetrahedra. In the fifth O site, O(5) is bonded in a distorted trigonal non-coplanar geometry to one Na(2), one S(2), and one S(3) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Na(2), two equivalent Na(1), and one S(1) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Na(1), one Na(2), and one S(2) atom.
Na2SnS3O7 crystallizes in the triclinic P-1 space group. There are two inequivalent Na sites. In the first Na site, Na(1) is bonded in a 5-coordinate geometry to one O(1), one O(4), one O(7), and two equivalent O(6) atoms. The Na(1)-O(1) bond length is 2.53 Å. The Na(1)-O(4) bond length is 2.26 Å. The Na(1)-O(7) bond length is 2.80 Å. There is one shorter (2.29 Å) and one longer (2.90 Å) Na(1)-O(6) bond length. In the second Na site, Na(2) is bonded in a 6-coordinate geometry to one O(3), one O(5), one O(6), one O(7), and two equivalent O(4) atoms. The Na(2)-O(3) bond length is 2.30 Å. The Na(2)-O(5) bond length is 2.62 Å. The Na(2)-O(6) bond length is 2.52 Å. The Na(2)-O(7) bond length is 2.38 Å. There is one shorter (2.44 Å) and one longer (2.65 Å) Na(2)-O(4) bond length. Sn(1) is bonded in a distorted single-bond geometry to two equivalent S(3) and one O(1) atom. There is one shorter (2.69 Å) and one longer (2.73 Å) Sn(1)-S(3) bond length. The Sn(1)-O(1) bond length is 2.06 Å. There are three inequivalent S sites. In the first S site, S(1) is bonded in a trigonal non-coplanar geometry to one O(1), one O(3), and one O(6) atom. The S(1)-O(1) bond length is 1.77 Å. The S(1)-O(3) bond length is 1.48 Å. The S(1)-O(6) bond length is 1.51 Å. In the second S site, S(2) is bonded in a trigonal non-coplanar geometry to one O(2), one O(5), and one O(7) atom. The S(2)-O(2) bond length is 1.62 Å. The S(2)-O(5) bond length is 1.68 Å. The S(2)-O(7) bond length is 1.47 Å. In the third S site, S(3) is bonded in a distorted single-bond geometry to two equivalent Sn(1) and one O(5) atom. The S(3)-O(5) bond length is 1.81 Å. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a distorted T-shaped geometry to one Na(1), one Sn(1), and one S(1) atom. In the second O site, O(2) is bonded in a distorted water-like geometry to one S(2) and one O(4) atom. The O(2)-O(4) bond length is 1.46 Å. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Na(2) and one S(1) atom. In the fourth O site, O(4) is bonded to one Na(1), two equivalent Na(2), and one O(2) atom to form distorted edge-sharing ONa3O tetrahedra. In the fifth O site, O(5) is bonded in a distorted trigonal non-coplanar geometry to one Na(2), one S(2), and one S(3) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Na(2), two equivalent Na(1), and one S(1) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Na(1), one Na(2), and one S(2) atom.