Dy5Tl3 crystallizes in the hexagonal P6_3/mcm space group. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 6-coordinate geometry to six equivalent Tl(1) atoms. In the second Dy site, Dy(2) is bonded in a 3-coordinate geometry to five equivalent Tl(1) atoms. Tl(1) is bonded in a 9-coordinate geometry to four equivalent Dy(1) and five equivalent Dy(2) atoms.
Dy5Tl3 crystallizes in the hexagonal P6_3/mcm space group. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 6-coordinate geometry to six equivalent Tl(1) atoms. All Dy(1)-Tl(1) bond lengths are 3.19 Å. In the second Dy site, Dy(2) is bonded in a 3-coordinate geometry to five equivalent Tl(1) atoms. There are a spread of Dy(2)-Tl(1) bond distances ranging from 3.14-3.64 Å. Tl(1) is bonded in a 9-coordinate geometry to four equivalent Dy(1) and five equivalent Dy(2) atoms.