Yb2S3O20 crystallizes in the monoclinic C2/c space group. Yb(1) is bonded in a 6-coordinate geometry to one O(2), one O(3), one O(5), one O(6), one O(7), one O(8), and one O(9) atom. There are two inequivalent S sites. In the first S site, S(1) is bonded in a tetrahedral geometry to one O(3), one O(4), one O(5), and one O(6) atom. In the second S site, S(2) is bonded in a tetrahedral geometry to two equivalent O(1) and two equivalent O(2) atoms. There are ten inequivalent O sites. In the first O site, O(4) is bonded in a distorted water-like geometry to one S(1) and one O(7) atom. In the second O site, O(5) is bonded in a bent 150 degrees geometry to one Yb(1) and one S(1) atom. In the third O site, O(6) is bonded in a linear geometry to one Yb(1) and one S(1) atom. In the fourth O site, O(7) is bonded in a bent 120 degrees geometry to one Yb(1) and one O(4) atom. In the fifth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Yb(1) and one O(10) atom. In the sixth O site, O(1) is bonded in a distorted single-bond geometry to one S(2) and one O(9) atom. In the seventh O site, O(9) is bonded in a bent 120 degrees geometry to one Yb(1) and one O(1) atom. In the eighth O site, O(2) is bonded in a distorted single-bond geometry to one Yb(1) and one S(2) atom. In the ninth O site, O(10) is bonded in a single-bond geometry to one O(8) atom. In the tenth O site, O(3) is bonded in a bent 150 degrees geometry to one Yb(1) and one S(1) atom.
Yb2S3O20 crystallizes in the monoclinic C2/c space group. Yb(1) is bonded in a 6-coordinate geometry to one O(2), one O(3), one O(5), one O(6), one O(7), one O(8), and one O(9) atom. The Yb(1)-O(2) bond length is 2.43 Å. The Yb(1)-O(3) bond length is 2.34 Å. The Yb(1)-O(5) bond length is 2.38 Å. The Yb(1)-O(6) bond length is 2.32 Å. The Yb(1)-O(7) bond length is 2.33 Å. The Yb(1)-O(8) bond length is 2.91 Å. The Yb(1)-O(9) bond length is 2.34 Å. There are two inequivalent S sites. In the first S site, S(1) is bonded in a tetrahedral geometry to one O(3), one O(4), one O(5), and one O(6) atom. The S(1)-O(3) bond length is 1.46 Å. The S(1)-O(4) bond length is 1.70 Å. The S(1)-O(5) bond length is 1.46 Å. The S(1)-O(6) bond length is 1.45 Å. In the second S site, S(2) is bonded in a tetrahedral geometry to two equivalent O(1) and two equivalent O(2) atoms. Both S(2)-O(1) bond lengths are 1.69 Å. Both S(2)-O(2) bond lengths are 1.43 Å. There are ten inequivalent O sites. In the first O site, O(4) is bonded in a distorted water-like geometry to one S(1) and one O(7) atom. The O(4)-O(7) bond length is 1.38 Å. In the second O site, O(5) is bonded in a bent 150 degrees geometry to one Yb(1) and one S(1) atom. In the third O site, O(6) is bonded in a linear geometry to one Yb(1) and one S(1) atom. In the fourth O site, O(7) is bonded in a bent 120 degrees geometry to one Yb(1) and one O(4) atom. In the fifth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Yb(1) and one O(10) atom. The O(8)-O(10) bond length is 1.23 Å. In the sixth O site, O(1) is bonded in a distorted single-bond geometry to one S(2) and one O(9) atom. The O(1)-O(9) bond length is 1.38 Å. In the seventh O site, O(9) is bonded in a bent 120 degrees geometry to one Yb(1) and one O(1) atom. In the eighth O site, O(2) is bonded in a distorted single-bond geometry to one Yb(1) and one S(2) atom. In the ninth O site, O(10) is bonded in a single-bond geometry to one O(8) atom. In the tenth O site, O(3) is bonded in a bent 150 degrees geometry to one Yb(1) and one S(1) atom.