HoMnGa crystallizes in the orthorhombic Ima2 space group. There are three inequivalent Ho sites. In the first Ho site, Ho(1) is bonded in a 11-coordinate geometry to two equivalent Mn(2), four equivalent Mn(1), one Ga(1), and four equivalent Ga(2) atoms. In the second Ho site, Ho(2) is bonded in a 11-coordinate geometry to two equivalent Mn(2), four equivalent Mn(1), one Ga(1), and four equivalent Ga(2) atoms. In the third Ho site, Ho(3) is bonded in a 11-coordinate geometry to two equivalent Mn(2), four equivalent Mn(1), one Ga(1), and four equivalent Ga(2) atoms. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 9-coordinate geometry to two equivalent Ho(1), two equivalent Ho(2), two equivalent Ho(3), one Mn(2), and two equivalent Ga(2) atoms. In the second Mn site, Mn(2) is bonded to two equivalent Ho(1), two equivalent Ho(2), two equivalent Ho(3), two equivalent Mn(1), two equivalent Ga(1), and two equivalent Ga(2) atoms to form distorted face-sharing MnHo6Mn2Ga4 cuboctahedra. There are two inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 9-coordinate geometry to one Ho(1), one Ho(2), one Ho(3), two equivalent Mn(2), and four equivalent Ga(2) atoms. In the second Ga site, Ga(2) is bonded in a 11-coordinate geometry to two equivalent Ho(1), two equivalent Ho(2), two equivalent Ho(3), one Mn(2), two equivalent Mn(1), and two equivalent Ga(1) atoms.
HoMnGa crystallizes in the orthorhombic Ima2 space group. There are three inequivalent Ho sites. In the first Ho site, Ho(1) is bonded in a 11-coordinate geometry to two equivalent Mn(2), four equivalent Mn(1), one Ga(1), and four equivalent Ga(2) atoms. Both Ho(1)-Mn(2) bond lengths are 3.25 Å. There are two shorter (2.93 Å) and two longer (2.95 Å) Ho(1)-Mn(1) bond lengths. The Ho(1)-Ga(1) bond length is 2.92 Å. There are two shorter (3.10 Å) and two longer (3.26 Å) Ho(1)-Ga(2) bond lengths. In the second Ho site, Ho(2) is bonded in a 11-coordinate geometry to two equivalent Mn(2), four equivalent Mn(1), one Ga(1), and four equivalent Ga(2) atoms. Both Ho(2)-Mn(2) bond lengths are 3.12 Å. There are two shorter (2.90 Å) and two longer (2.91 Å) Ho(2)-Mn(1) bond lengths. The Ho(2)-Ga(1) bond length is 3.03 Å. There are two shorter (3.30 Å) and two longer (3.33 Å) Ho(2)-Ga(2) bond lengths. In the third Ho site, Ho(3) is bonded in a 11-coordinate geometry to two equivalent Mn(2), four equivalent Mn(1), one Ga(1), and four equivalent Ga(2) atoms. Both Ho(3)-Mn(2) bond lengths are 3.22 Å. There are two shorter (2.92 Å) and two longer (2.95 Å) Ho(3)-Mn(1) bond lengths. The Ho(3)-Ga(1) bond length is 2.94 Å. There are two shorter (3.11 Å) and two longer (3.20 Å) Ho(3)-Ga(2) bond lengths. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 9-coordinate geometry to two equivalent Ho(1), two equivalent Ho(2), two equivalent Ho(3), one Mn(2), and two equivalent Ga(2) atoms. The Mn(1)-Mn(2) bond length is 2.77 Å. There is one shorter (2.71 Å) and one longer (2.72 Å) Mn(1)-Ga(2) bond length. In the second Mn site, Mn(2) is bonded to two equivalent Ho(1), two equivalent Ho(2), two equivalent Ho(3), two equivalent Mn(1), two equivalent Ga(1), and two equivalent Ga(2) atoms to form distorted face-sharing MnHo6Mn2Ga4 cuboctahedra. Both Mn(2)-Ga(1) bond lengths are 2.60 Å. Both Mn(2)-Ga(2) bond lengths are 3.05 Å. There are two inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 9-coordinate geometry to one Ho(1), one Ho(2), one Ho(3), two equivalent Mn(2), and four equivalent Ga(2) atoms. There are two shorter (2.70 Å) and two longer (2.71 Å) Ga(1)-Ga(2) bond lengths. In the second Ga site, Ga(2) is bonded in a 11-coordinate geometry to two equivalent Ho(1), two equivalent Ho(2), two equivalent Ho(3), one Mn(2), two equivalent Mn(1), and two equivalent Ga(1) atoms.