Ho2Co3Ge5 crystallizes in the monoclinic C2/c space group. Ho(1) is bonded in a 1-coordinate geometry to two equivalent Ge(2), two equivalent Ge(3), two equivalent Ge(4), and four equivalent Ge(1) atoms. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded in a 5-coordinate geometry to one Ge(1), one Ge(2), one Ge(4), and two equivalent Ge(3) atoms. In the second Co site, Co(2) is bonded in a 6-coordinate geometry to one Ge(2), one Ge(4), and four equivalent Ge(1) atoms. There are four inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to four equivalent Ho(1), one Co(1), two equivalent Co(2), one Ge(2), and one Ge(4) atom. In the second Ge site, Ge(2) is bonded in a 11-coordinate geometry to four equivalent Ho(1), one Co(2), two equivalent Co(1), two equivalent Ge(1), and two equivalent Ge(4) atoms. In the third Ge site, Ge(3) is bonded in a 8-coordinate geometry to four equivalent Ho(1) and four equivalent Co(1) atoms. In the fourth Ge site, Ge(4) is bonded in a 11-coordinate geometry to four equivalent Ho(1), one Co(2), two equivalent Co(1), two equivalent Ge(1), and two equivalent Ge(2) atoms.
Ho2Co3Ge5 crystallizes in the monoclinic C2/c space group. Ho(1) is bonded in a 1-coordinate geometry to two equivalent Ge(2), two equivalent Ge(3), two equivalent Ge(4), and four equivalent Ge(1) atoms. There is one shorter (3.09 Å) and one longer (3.20 Å) Ho(1)-Ge(2) bond length. There is one shorter (3.02 Å) and one longer (3.19 Å) Ho(1)-Ge(3) bond length. There is one shorter (3.05 Å) and one longer (3.19 Å) Ho(1)-Ge(4) bond length. There are a spread of Ho(1)-Ge(1) bond distances ranging from 2.88-3.21 Å. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded in a 5-coordinate geometry to one Ge(1), one Ge(2), one Ge(4), and two equivalent Ge(3) atoms. The Co(1)-Ge(1) bond length is 2.30 Å. The Co(1)-Ge(2) bond length is 2.34 Å. The Co(1)-Ge(4) bond length is 2.41 Å. There is one shorter (2.38 Å) and one longer (2.42 Å) Co(1)-Ge(3) bond length. In the second Co site, Co(2) is bonded in a 6-coordinate geometry to one Ge(2), one Ge(4), and four equivalent Ge(1) atoms. The Co(2)-Ge(2) bond length is 2.49 Å. The Co(2)-Ge(4) bond length is 2.68 Å. There are two shorter (2.41 Å) and two longer (2.46 Å) Co(2)-Ge(1) bond lengths. There are four inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to four equivalent Ho(1), one Co(1), two equivalent Co(2), one Ge(2), and one Ge(4) atom. The Ge(1)-Ge(2) bond length is 2.64 Å. The Ge(1)-Ge(4) bond length is 2.64 Å. In the second Ge site, Ge(2) is bonded in a 11-coordinate geometry to four equivalent Ho(1), one Co(2), two equivalent Co(1), two equivalent Ge(1), and two equivalent Ge(4) atoms. Both Ge(2)-Ge(4) bond lengths are 2.87 Å. In the third Ge site, Ge(3) is bonded in a 8-coordinate geometry to four equivalent Ho(1) and four equivalent Co(1) atoms. In the fourth Ge site, Ge(4) is bonded in a 11-coordinate geometry to four equivalent Ho(1), one Co(2), two equivalent Co(1), two equivalent Ge(1), and two equivalent Ge(2) atoms.