Ho5(Os2Ge5)2 crystallizes in the tetragonal P4/mbm space group. There are three inequivalent Ho sites. In the first Ho site, Ho(1) is bonded in a 16-coordinate geometry to four equivalent Os(1), four equivalent Ge(2), and eight equivalent Ge(3) atoms. In the second Ho site, Ho(2) is bonded to four equivalent Os(1), two equivalent Ge(1), two equivalent Ge(3), and four equivalent Ge(2) atoms to form distorted face-sharing HoGe8Os4 cuboctahedra. In the third Ho site, Ho(3) is bonded in a 14-coordinate geometry to four equivalent Os(1), two equivalent Ge(3), four equivalent Ge(1), and four equivalent Ge(2) atoms. Os(1) is bonded in a 10-coordinate geometry to one Ho(1), two equivalent Ho(2), two equivalent Ho(3), one Ge(1), two equivalent Ge(2), and two equivalent Ge(3) atoms. There are three inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to two equivalent Ho(2), four equivalent Ho(3), two equivalent Os(1), and one Ge(1) atom. In the second Ge site, Ge(2) is bonded in a 8-coordinate geometry to one Ho(1), two equivalent Ho(2), two equivalent Ho(3), two equivalent Os(1), and one Ge(2) atom. In the third Ge site, Ge(3) is bonded in a 8-coordinate geometry to one Ho(2), one Ho(3), two equivalent Ho(1), two equivalent Os(1), and two equivalent Ge(3) atoms.
Ho5(Os2Ge5)2 crystallizes in the tetragonal P4/mbm space group. There are three inequivalent Ho sites. In the first Ho site, Ho(1) is bonded in a 16-coordinate geometry to four equivalent Os(1), four equivalent Ge(2), and eight equivalent Ge(3) atoms. All Ho(1)-Os(1) bond lengths are 3.22 Å. All Ho(1)-Ge(2) bond lengths are 3.36 Å. All Ho(1)-Ge(3) bond lengths are 2.97 Å. In the second Ho site, Ho(2) is bonded to four equivalent Os(1), two equivalent Ge(1), two equivalent Ge(3), and four equivalent Ge(2) atoms to form distorted face-sharing HoGe8Os4 cuboctahedra. All Ho(2)-Os(1) bond lengths are 3.11 Å. Both Ho(2)-Ge(1) bond lengths are 2.88 Å. Both Ho(2)-Ge(3) bond lengths are 3.07 Å. All Ho(2)-Ge(2) bond lengths are 3.04 Å. In the third Ho site, Ho(3) is bonded in a 14-coordinate geometry to four equivalent Os(1), two equivalent Ge(3), four equivalent Ge(1), and four equivalent Ge(2) atoms. All Ho(3)-Os(1) bond lengths are 3.29 Å. Both Ho(3)-Ge(3) bond lengths are 3.34 Å. All Ho(3)-Ge(1) bond lengths are 3.29 Å. All Ho(3)-Ge(2) bond lengths are 3.26 Å. Os(1) is bonded in a 10-coordinate geometry to one Ho(1), two equivalent Ho(2), two equivalent Ho(3), one Ge(1), two equivalent Ge(2), and two equivalent Ge(3) atoms. The Os(1)-Ge(1) bond length is 2.49 Å. There is one shorter (2.46 Å) and one longer (2.58 Å) Os(1)-Ge(2) bond length. Both Os(1)-Ge(3) bond lengths are 2.44 Å. There are three inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to two equivalent Ho(2), four equivalent Ho(3), two equivalent Os(1), and one Ge(1) atom. The Ge(1)-Ge(1) bond length is 2.49 Å. In the second Ge site, Ge(2) is bonded in a 8-coordinate geometry to one Ho(1), two equivalent Ho(2), two equivalent Ho(3), two equivalent Os(1), and one Ge(2) atom. The Ge(2)-Ge(2) bond length is 2.50 Å. In the third Ge site, Ge(3) is bonded in a 8-coordinate geometry to one Ho(2), one Ho(3), two equivalent Ho(1), two equivalent Os(1), and two equivalent Ge(3) atoms. Both Ge(3)-Ge(3) bond lengths are 2.90 Å.