Na2GeS3O7 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 6-coordinate geometry to one O(2), one O(5), two equivalent O(4), and two equivalent O(6) atoms. In the second Na site, Na(2) is bonded in a 6-coordinate geometry to one O(1), one O(4), one O(5), one O(6), and two equivalent O(3) atoms. Ge(1) is bonded in a distorted single-bond geometry to one S(1), 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 distorted trigonal non-coplanar geometry to one Ge(1), one S(1), and one O(6) atom. In the second S site, S(2) is bonded in a water-like geometry to one O(2) and one O(7) atom. In the third S site, S(3) is bonded in a distorted single-bond geometry to two equivalent Ge(1) and one O(5) atom. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Na(2), one Ge(1), and one O(6) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Na(1) and one S(2) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to two equivalent Na(2) and one O(3) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Na(2), two equivalent Na(1), and one O(7) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Na(1), one Na(2), and one S(3) atom. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one Na(2), two equivalent Na(1), one S(1), and one O(1) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one S(2) and one O(4) atom.
Na2GeS3O7 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 6-coordinate geometry to one O(2), one O(5), two equivalent O(4), and two equivalent O(6) atoms. The Na(1)-O(2) bond length is 2.45 Å. The Na(1)-O(5) bond length is 2.33 Å. There is one shorter (2.36 Å) and one longer (2.79 Å) Na(1)-O(4) bond length. There is one shorter (2.53 Å) and one longer (2.87 Å) Na(1)-O(6) bond length. In the second Na site, Na(2) is bonded in a 6-coordinate geometry to one O(1), one O(4), one O(5), one O(6), and two equivalent O(3) atoms. The Na(2)-O(1) bond length is 2.27 Å. The Na(2)-O(4) bond length is 2.27 Å. The Na(2)-O(5) bond length is 2.29 Å. The Na(2)-O(6) bond length is 2.63 Å. There is one shorter (2.33 Å) and one longer (2.39 Å) Na(2)-O(3) bond length. Ge(1) is bonded in a distorted single-bond geometry to one S(1), two equivalent S(3), and one O(1) atom. The Ge(1)-S(1) bond length is 2.91 Å. Both Ge(1)-S(3) bond lengths are 2.47 Å. The Ge(1)-O(1) bond length is 1.94 Å. There are three inequivalent S sites. In the first S site, S(1) is bonded in a distorted trigonal non-coplanar geometry to one Ge(1), one S(1), and one O(6) atom. The S(1)-S(1) bond length is 1.91 Å. The S(1)-O(6) bond length is 2.51 Å. In the second S site, S(2) is bonded in a water-like geometry to one O(2) and one O(7) atom. The S(2)-O(2) bond length is 1.50 Å. The S(2)-O(7) bond length is 1.66 Å. In the third S site, S(3) is bonded in a distorted single-bond geometry to two equivalent Ge(1) and one O(5) atom. The S(3)-O(5) bond length is 1.54 Å. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Na(2), one Ge(1), and one O(6) atom. The O(1)-O(6) bond length is 1.41 Å. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Na(1) and one S(2) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to two equivalent Na(2) and one O(3) atom. The O(3)-O(3) bond length is 1.31 Å. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Na(2), two equivalent Na(1), and one O(7) atom. The O(4)-O(7) bond length is 1.41 Å. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Na(1), one Na(2), and one S(3) atom. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one Na(2), two equivalent Na(1), one S(1), and one O(1) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one S(2) and one O(4) atom.