Dy(OsSi)2 crystallizes in the tetragonal I4/mmm space group. Dy(1) is bonded in a 16-coordinate geometry to eight equivalent Os(1) and eight equivalent Si(1) atoms. Os(1) is bonded in a 4-coordinate geometry to four equivalent Dy(1) and four equivalent Si(1) atoms. Si(1) is bonded in a 4-coordinate geometry to four equivalent Dy(1) and four equivalent Os(1) atoms.
Dy(OsSi)2 crystallizes in the tetragonal I4/mmm space group. Dy(1) is bonded in a 16-coordinate geometry to eight equivalent Os(1) and eight equivalent Si(1) atoms. All Dy(1)-Os(1) bond lengths are 3.18 Å. All Dy(1)-Si(1) bond lengths are 3.20 Å. Os(1) is bonded in a 4-coordinate geometry to four equivalent Dy(1) and four equivalent Si(1) atoms. All Os(1)-Si(1) bond lengths are 2.38 Å. Si(1) is bonded in a 4-coordinate geometry to four equivalent Dy(1) and four equivalent Os(1) atoms.