Dy2Te4O11 crystallizes in the monoclinic C2/c space group. Dy(1) is bonded in a 8-coordinate geometry to one O(1), one O(3), two equivalent O(2), two equivalent O(4), and two equivalent O(5) atoms. There are two inequivalent Te sites. In the first Te site, Te(1) is bonded in a distorted see-saw-like geometry to one O(1), one O(2), one O(3), and one O(6) atom. In the second Te site, Te(2) is bonded in a 3-coordinate geometry to one O(2), one O(3), one O(4), and one O(5) atom. There are six inequivalent O sites. In the first O site, O(6) is bonded in a bent 150 degrees geometry to two equivalent Te(1) atoms. In the second O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Dy(1) and one Te(1) atom. In the third O site, O(2) is bonded in a 4-coordinate geometry to two equivalent Dy(1), one Te(1), and one Te(2) atom. In the fourth O site, O(3) is bonded in a 3-coordinate geometry to one Dy(1), one Te(1), and one Te(2) atom. In the fifth O site, O(4) is bonded in a distorted trigonal planar geometry to two equivalent Dy(1) and one Te(2) atom. In the sixth O site, O(5) is bonded in a distorted trigonal planar geometry to two equivalent Dy(1) and one Te(2) atom.
Dy2Te4O11 crystallizes in the monoclinic C2/c space group. Dy(1) is bonded in a 8-coordinate geometry to one O(1), one O(3), two equivalent O(2), two equivalent O(4), and two equivalent O(5) atoms. The Dy(1)-O(1) bond length is 2.27 Å. The Dy(1)-O(3) bond length is 2.44 Å. There is one shorter (2.40 Å) and one longer (2.52 Å) Dy(1)-O(2) bond length. There is one shorter (2.25 Å) and one longer (2.49 Å) Dy(1)-O(4) bond length. There is one shorter (2.29 Å) and one longer (2.34 Å) Dy(1)-O(5) bond length. There are two inequivalent Te sites. In the first Te site, Te(1) is bonded in a distorted see-saw-like geometry to one O(1), one O(2), one O(3), and one O(6) atom. The Te(1)-O(1) bond length is 1.84 Å. The Te(1)-O(2) bond length is 1.90 Å. The Te(1)-O(3) bond length is 2.32 Å. The Te(1)-O(6) bond length is 2.01 Å. In the second Te site, Te(2) is bonded in a 3-coordinate geometry to one O(2), one O(3), one O(4), and one O(5) atom. The Te(2)-O(2) bond length is 2.58 Å. The Te(2)-O(3) bond length is 1.91 Å. The Te(2)-O(4) bond length is 1.87 Å. The Te(2)-O(5) bond length is 1.88 Å. There are six inequivalent O sites. In the first O site, O(6) is bonded in a bent 150 degrees geometry to two equivalent Te(1) atoms. In the second O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Dy(1) and one Te(1) atom. In the third O site, O(2) is bonded in a 4-coordinate geometry to two equivalent Dy(1), one Te(1), and one Te(2) atom. In the fourth O site, O(3) is bonded in a 3-coordinate geometry to one Dy(1), one Te(1), and one Te(2) atom. In the fifth O site, O(4) is bonded in a distorted trigonal planar geometry to two equivalent Dy(1) and one Te(2) atom. In the sixth O site, O(5) is bonded in a distorted trigonal planar geometry to two equivalent Dy(1) and one Te(2) atom.