Zn2S2O11 crystallizes in the triclinic P-1 space group. There are three inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in an octahedral geometry to two equivalent O(1), two equivalent O(7), and two equivalent O(9) atoms. In the second Zn site, Zn(2) is bonded in a distorted linear geometry to two equivalent O(10) and two equivalent O(6) atoms. In the third Zn site, Zn(3) is bonded in a distorted trigonal bipyramidal geometry to one O(2), one O(3), one O(4), one O(5), and one O(6) atom. There are two inequivalent S sites. In the first S site, S(1) is bonded in a trigonal non-coplanar geometry to one O(1), one O(2), and one O(3) atom. In the second S site, S(2) is bonded in a trigonal non-coplanar geometry to one O(4), one O(5), and one O(6) atom. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Zn(1) and one S(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Zn(3) and one S(1) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Zn(3) and one S(1) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Zn(3) and one S(2) atom. In the fifth O site, O(5) is bonded in a water-like geometry to one Zn(3) and one S(2) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Zn(2), one Zn(3), and one S(2) atom. In the seventh O site, O(7) is bonded in an L-shaped geometry to one Zn(1) and one O(11) atom. In the eighth O site, O(8) is bonded in a single-bond geometry to one O(10) atom. In the ninth O site, O(9) is bonded in an L-shaped geometry to one Zn(1) and one O(11) atom. In the tenth O site, O(10) is bonded in an L-shaped geometry to one Zn(2) and one O(8) atom. In the eleventh O site, O(11) is bonded in a water-like geometry to one O(7) and one O(9) atom.
Zn2S2O11 crystallizes in the triclinic P-1 space group. There are three inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in an octahedral geometry to two equivalent O(1), two equivalent O(7), and two equivalent O(9) atoms. Both Zn(1)-O(1) bond lengths are 2.23 Å. Both Zn(1)-O(7) bond lengths are 2.10 Å. Both Zn(1)-O(9) bond lengths are 2.15 Å. In the second Zn site, Zn(2) is bonded in a distorted linear geometry to two equivalent O(10) and two equivalent O(6) atoms. Both Zn(2)-O(10) bond lengths are 2.50 Å. Both Zn(2)-O(6) bond lengths are 1.83 Å. In the third Zn site, Zn(3) is bonded in a distorted trigonal bipyramidal geometry to one O(2), one O(3), one O(4), one O(5), and one O(6) atom. The Zn(3)-O(2) bond length is 2.03 Å. The Zn(3)-O(3) bond length is 1.99 Å. The Zn(3)-O(4) bond length is 1.98 Å. The Zn(3)-O(5) bond length is 2.01 Å. The Zn(3)-O(6) bond length is 2.44 Å. There are two inequivalent S sites. In the first S site, S(1) is bonded in a trigonal non-coplanar geometry to one O(1), one O(2), and one O(3) atom. The S(1)-O(1) bond length is 1.50 Å. The S(1)-O(2) bond length is 1.52 Å. The S(1)-O(3) bond length is 1.52 Å. In the second S site, S(2) is bonded in a trigonal non-coplanar geometry to one O(4), one O(5), and one O(6) atom. The S(2)-O(4) bond length is 1.52 Å. The S(2)-O(5) bond length is 1.52 Å. The S(2)-O(6) bond length is 1.66 Å. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Zn(1) and one S(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Zn(3) and one S(1) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Zn(3) and one S(1) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Zn(3) and one S(2) atom. In the fifth O site, O(5) is bonded in a water-like geometry to one Zn(3) and one S(2) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Zn(2), one Zn(3), and one S(2) atom. In the seventh O site, O(7) is bonded in an L-shaped geometry to one Zn(1) and one O(11) atom. The O(7)-O(11) bond length is 1.35 Å. In the eighth O site, O(8) is bonded in a single-bond geometry to one O(10) atom. The O(8)-O(10) bond length is 1.24 Å. In the ninth O site, O(9) is bonded in an L-shaped geometry to one Zn(1) and one O(11) atom. The O(9)-O(11) bond length is 1.35 Å. In the tenth O site, O(10) is bonded in an L-shaped geometry to one Zn(2) and one O(8) atom. In the eleventh O site, O(11) is bonded in a water-like geometry to one O(7) and one O(9) atom.