The structure described by Ho2Pr4Mn23 crystallizes in the orthorhombic Imm2 space group. Ho(1) is bonded in a 12-coordinate geometry to one Mn(10), one Mn(9), two equivalent Mn(1), two equivalent Mn(3), two equivalent Mn(5), two equivalent Mn(7), and two equivalent Mn(8) atoms. There are two inequivalent Pr sites. In the first Pr site, Pr(1) is bonded in a 12-coordinate geometry to one Mn(1), one Mn(2), one Mn(5), one Mn(6), two equivalent Mn(3), two equivalent Mn(7), and four equivalent Mn(8) atoms. In the second Pr site, Pr(2) is bonded in a 12-coordinate geometry to one Mn(10), one Mn(9), two equivalent Mn(2), two equivalent Mn(3), two equivalent Mn(6), two equivalent Mn(7), and two equivalent Mn(8) atoms. There are ten inequivalent Mn sites. In the first Mn site, Mn(10) is bonded to two equivalent Ho(1), two equivalent Pr(2), two equivalent Mn(1), two equivalent Mn(2), and four equivalent Mn(7) atoms to form MnPr2Ho2Mn8 cuboctahedra that share corners with four equivalent Mn(9)Pr2Ho2Mn8 cuboctahedra, corners with eight equivalent Mn(3)Pr2HoMn9 cuboctahedra, faces with two equivalent Mn(2)Pr3Mn9 cuboctahedra, faces with four equivalent Mn(3)Pr2HoMn9 cuboctahedra, and faces with eight equivalent Mn(8)Pr3HoMn8 cuboctahedra. In the second Mn site, Mn(1) is bonded in a distorted q6 geometry to two equivalent Ho(1), one Pr(1), one Mn(10), one Mn(2), one Mn(6), two equivalent Mn(3), two equivalent Mn(7), and two equivalent Mn(8) atoms. In the third Mn site, Mn(2) is bonded to one Pr(1), two equivalent Pr(2), one Mn(1), one Mn(10), one Mn(5), two equivalent Mn(3), two equivalent Mn(7), and two equivalent Mn(8) atoms to form MnPr3Mn9 cuboctahedra that share corners with two equivalent Mn(9)Pr2Ho2Mn8 cuboctahedra, corners with two equivalent Mn(3)Pr2HoMn9 cuboctahedra, corners with four equivalent Mn(8)Pr3HoMn8 cuboctahedra,  a faceface with one Mn(10)Pr2Ho2Mn8 cuboctahedra,  a faceface with one Mn(9)Pr2Ho2Mn8 cuboctahedra,  a faceface with one Mn(2)Pr3Mn9 cuboctahedra, faces with four equivalent Mn(3)Pr2HoMn9 cuboctahedra, and faces with four equivalent Mn(8)Pr3HoMn8 cuboctahedra. In the fourth Mn site, Mn(3) is bonded to one Ho(1), one Pr(1), one Pr(2), one Mn(1), one Mn(2), one Mn(3), one Mn(5), one Mn(6), one Mn(7), one Mn(9), and two equivalent Mn(8) atoms to form distorted MnPr2HoMn9 cuboctahedra that share  a cornercorner with one Mn(2)Pr3Mn9 cuboctahedra, corners with two equivalent Mn(10)Pr2Ho2Mn8 cuboctahedra, corners with four equivalent Mn(3)Pr2HoMn9 cuboctahedra, corners with four equivalent Mn(8)Pr3HoMn8 cuboctahedra,  a faceface with one Mn(10)Pr2Ho2Mn8 cuboctahedra,  a faceface with one Mn(9)Pr2Ho2Mn8 cuboctahedra, faces with two equivalent Mn(3)Pr2HoMn9 cuboctahedra, faces with two equivalent Mn(2)Pr3Mn9 cuboctahedra, and faces with four equivalent Mn(8)Pr3HoMn8 cuboctahedra. In the fifth Mn site, Mn(4) is bonded in a body-centered cubic geometry to two equivalent Mn(5), two equivalent Mn(6), and four equivalent Mn(7) atoms. In the sixth Mn site, Mn(5) is bonded in a 13-coordinate geometry to two equivalent Ho(1), one Pr(1), one Mn(2), one Mn(4), one Mn(5), one Mn(9), two equivalent Mn(3), two equivalent Mn(7), and two equivalent Mn(8) atoms. In the seventh Mn site, Mn(6) is bonded in a 13-coordinate geometry to one Pr(1), two equivalent Pr(2), one Mn(1), one Mn(4), one Mn(6), one Mn(9), two equivalent Mn(3), two equivalent Mn(7), and two equivalent Mn(8) atoms. In the eighth Mn site, Mn(7) is bonded in a 13-coordinate geometry to one Ho(1), one Pr(1), one Pr(2), one Mn(1), one Mn(10), one Mn(2), one Mn(3), one Mn(4), one Mn(5), one Mn(6), one Mn(7), and two equivalent Mn(8) atoms. In the ninth Mn site, Mn(8) is bonded to one Ho(1), one Pr(2), two equivalent Pr(1), one Mn(1), one Mn(2), one Mn(5), one Mn(6), two equivalent Mn(3), and two equivalent Mn(7) atoms to form MnPr3HoMn8 cuboctahedra that share corners with two equivalent Mn(2)Pr3Mn9 cuboctahedra, corners with four equivalent Mn(3)Pr2HoMn9 cuboctahedra, corners with four equivalent Mn(8)Pr3HoMn8 cuboctahedra, faces with two equivalent Mn(10)Pr2Ho2Mn8 cuboctahedra, faces with two equivalent Mn(9)Pr2Ho2Mn8 cuboctahedra, faces with two equivalent Mn(2)Pr3Mn9 cuboctahedra, faces with four equivalent Mn(3)Pr2HoMn9 cuboctahedra, and faces with four equivalent Mn(8)Pr3HoMn8 cuboctahedra. In the tenth Mn site, Mn(9) is bonded to two equivalent Ho(1), two equivalent Pr(2), two equivalent Mn(5), two equivalent Mn(6), and four equivalent Mn(3) atoms to form MnPr2Ho2Mn8 cuboctahedra that share corners with four equivalent Mn(10)Pr2Ho2Mn8 cuboctahedra, corners with four equivalent Mn(2)Pr3Mn9 cuboctahedra, faces with two equivalent Mn(2)Pr3Mn9 cuboctahedra, faces with four equivalent Mn(3)Pr2HoMn9 cuboctahedra, and faces with eight equivalent Mn(8)Pr3HoMn8 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Pr4Ho2Mn23
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.588
_cell_length_b   8.588
_cell_length_c   8.588
_cell_angle_alpha   89.685
_cell_angle_beta   59.980
_cell_angle_gamma   119.617
_symmetry_Int_Tables_number   1
_cell_volume   449.109
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Pr  Pr0  1  0.999  0.298  0.703  1.0
  Pr  Pr1  1  0.407  0.702  0.296  1.0
  Pr  Pr2  1  0.002  0.298  0.296  1.0
  Pr  Pr3  1  0.999  0.702  0.300  1.0
  Ho  Ho4  1  0.582  0.294  0.712  1.0
  Ho  Ho5  1  0.994  0.706  0.712  1.0
  Mn  Mn6  1  0.640  0.325  0.035  1.0
  Mn  Mn7  1  0.362  0.322  0.316  1.0
  Mn  Mn8  1  0.357  0.037  0.323  1.0
  Mn  Mn9  1  0.640  0.320  0.323  1.0
  Mn  Mn10  1  0.362  0.678  0.960  1.0
  Mn  Mn11  1  0.640  0.675  0.685  1.0
  Mn  Mn12  1  0.640  0.963  0.680  1.0
  Mn  Mn13  1  0.357  0.680  0.680  1.0
  Mn  Mn14  1  0.003  0.000  0.997  1.0
  Mn  Mn15  1  0.247  0.121  0.632  1.0
  Mn  Mn16  1  0.754  0.123  0.123  1.0
  Mn  Mn17  1  0.756  0.632  0.119  1.0
  Mn  Mn18  1  0.249  0.125  0.119  1.0
  Mn  Mn19  1  0.754  0.877  0.369  1.0
  Mn  Mn20  1  0.247  0.879  0.874  1.0
  Mn  Mn21  1  0.249  0.368  0.876  1.0
  Mn  Mn22  1  0.756  0.875  0.876  1.0
  Mn  Mn23  1  1.000  0.996  0.503  1.0
  Mn  Mn24  1  0.501  0.498  0.503  1.0
  Mn  Mn25  1  0.495  0.000  0.505  1.0
  Mn  Mn26  1  1.000  0.502  0.997  1.0
  Mn  Mn27  1  0.501  0.004  0.997  1.0
  Mn  Mn28  1  0.509  0.500  0.991  1.0
[/CIF]
.
The structure described by Ho2Pr4Mn23 crystallizes in the orthorhombic Imm2 space group. Ho(1) is bonded in a 12-coordinate geometry to one Mn(10), one Mn(9), two equivalent Mn(1), two equivalent Mn(3), two equivalent Mn(5), two equivalent Mn(7), and two equivalent Mn(8) atoms. There are two inequivalent Pr sites. In the first Pr site, Pr(1) is bonded in a 12-coordinate geometry to one Mn(1), one Mn(2), one Mn(5), one Mn(6), two equivalent Mn(3), two equivalent Mn(7), and four equivalent Mn(8) atoms. In the second Pr site, Pr(2) is bonded in a 12-coordinate geometry to one Mn(10), one Mn(9), two equivalent Mn(2), two equivalent Mn(3), two equivalent Mn(6), two equivalent Mn(7), and two equivalent Mn(8) atoms. There are ten inequivalent Mn sites. In the first Mn site, Mn(10) is bonded to two equivalent Ho(1), two equivalent Pr(2), two equivalent Mn(1), two equivalent Mn(2), and four equivalent Mn(7) atoms to form MnPr2Ho2Mn8 cuboctahedra that share corners with four equivalent Mn(9)Pr2Ho2Mn8 cuboctahedra, corners with eight equivalent Mn(3)Pr2HoMn9 cuboctahedra, faces with two equivalent Mn(2)Pr3Mn9 cuboctahedra, faces with four equivalent Mn(3)Pr2HoMn9 cuboctahedra, and faces with eight equivalent Mn(8)Pr3HoMn8 cuboctahedra. In the second Mn site, Mn(1) is bonded in a distorted q6 geometry to two equivalent Ho(1), one Pr(1), one Mn(10), one Mn(2), one Mn(6), two equivalent Mn(3), two equivalent Mn(7), and two equivalent Mn(8) atoms. In the third Mn site, Mn(2) is bonded to one Pr(1), two equivalent Pr(2), one Mn(1), one Mn(10), one Mn(5), two equivalent Mn(3), two equivalent Mn(7), and two equivalent Mn(8) atoms to form MnPr3Mn9 cuboctahedra that share corners with two equivalent Mn(9)Pr2Ho2Mn8 cuboctahedra, corners with two equivalent Mn(3)Pr2HoMn9 cuboctahedra, corners with four equivalent Mn(8)Pr3HoMn8 cuboctahedra,  a faceface with one Mn(10)Pr2Ho2Mn8 cuboctahedra,  a faceface with one Mn(9)Pr2Ho2Mn8 cuboctahedra,  a faceface with one Mn(2)Pr3Mn9 cuboctahedra, faces with four equivalent Mn(3)Pr2HoMn9 cuboctahedra, and faces with four equivalent Mn(8)Pr3HoMn8 cuboctahedra. In the fourth Mn site, Mn(3) is bonded to one Ho(1), one Pr(1), one Pr(2), one Mn(1), one Mn(2), one Mn(3), one Mn(5), one Mn(6), one Mn(7), one Mn(9), and two equivalent Mn(8) atoms to form distorted MnPr2HoMn9 cuboctahedra that share  a cornercorner with one Mn(2)Pr3Mn9 cuboctahedra, corners with two equivalent Mn(10)Pr2Ho2Mn8 cuboctahedra, corners with four equivalent Mn(3)Pr2HoMn9 cuboctahedra, corners with four equivalent Mn(8)Pr3HoMn8 cuboctahedra,  a faceface with one Mn(10)Pr2Ho2Mn8 cuboctahedra,  a faceface with one Mn(9)Pr2Ho2Mn8 cuboctahedra, faces with two equivalent Mn(3)Pr2HoMn9 cuboctahedra, faces with two equivalent Mn(2)Pr3Mn9 cuboctahedra, and faces with four equivalent Mn(8)Pr3HoMn8 cuboctahedra. In the fifth Mn site, Mn(4) is bonded in a body-centered cubic geometry to two equivalent Mn(5), two equivalent Mn(6), and four equivalent Mn(7) atoms. In the sixth Mn site, Mn(5) is bonded in a 13-coordinate geometry to two equivalent Ho(1), one Pr(1), one Mn(2), one Mn(4), one Mn(5), one Mn(9), two equivalent Mn(3), two equivalent Mn(7), and two equivalent Mn(8) atoms. In the seventh Mn site, Mn(6) is bonded in a 13-coordinate geometry to one Pr(1), two equivalent Pr(2), one Mn(1), one Mn(4), one Mn(6), one Mn(9), two equivalent Mn(3), two equivalent Mn(7), and two equivalent Mn(8) atoms. In the eighth Mn site, Mn(7) is bonded in a 13-coordinate geometry to one Ho(1), one Pr(1), one Pr(2), one Mn(1), one Mn(10), one Mn(2), one Mn(3), one Mn(4), one Mn(5), one Mn(6), one Mn(7), and two equivalent Mn(8) atoms. In the ninth Mn site, Mn(8) is bonded to one Ho(1), one Pr(2), two equivalent Pr(1), one Mn(1), one Mn(2), one Mn(5), one Mn(6), two equivalent Mn(3), and two equivalent Mn(7) atoms to form MnPr3HoMn8 cuboctahedra that share corners with two equivalent Mn(2)Pr3Mn9 cuboctahedra, corners with four equivalent Mn(3)Pr2HoMn9 cuboctahedra, corners with four equivalent Mn(8)Pr3HoMn8 cuboctahedra, faces with two equivalent Mn(10)Pr2Ho2Mn8 cuboctahedra, faces with two equivalent Mn(9)Pr2Ho2Mn8 cuboctahedra, faces with two equivalent Mn(2)Pr3Mn9 cuboctahedra, faces with four equivalent Mn(3)Pr2HoMn9 cuboctahedra, and faces with four equivalent Mn(8)Pr3HoMn8 cuboctahedra. In the tenth Mn site, Mn(9) is bonded to two equivalent Ho(1), two equivalent Pr(2), two equivalent Mn(5), two equivalent Mn(6), and four equivalent Mn(3) atoms to form MnPr2Ho2Mn8 cuboctahedra that share corners with four equivalent Mn(10)Pr2Ho2Mn8 cuboctahedra, corners with four equivalent Mn(2)Pr3Mn9 cuboctahedra, faces with two equivalent Mn(2)Pr3Mn9 cuboctahedra, faces with four equivalent Mn(3)Pr2HoMn9 cuboctahedra, and faces with eight equivalent Mn(8)Pr3HoMn8 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Pr4Ho2Mn23
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.588
_cell_length_b   8.588
_cell_length_c   8.588
_cell_angle_alpha   89.685
_cell_angle_beta   59.980
_cell_angle_gamma   119.617
_symmetry_Int_Tables_number   1
_cell_volume   449.109
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Pr  Pr0  1  0.999  0.298  0.703  1.0
  Pr  Pr1  1  0.407  0.702  0.296  1.0
  Pr  Pr2  1  0.002  0.298  0.296  1.0
  Pr  Pr3  1  0.999  0.702  0.300  1.0
  Ho  Ho4  1  0.582  0.294  0.712  1.0
  Ho  Ho5  1  0.994  0.706  0.712  1.0
  Mn  Mn6  1  0.640  0.325  0.035  1.0
  Mn  Mn7  1  0.362  0.322  0.316  1.0
  Mn  Mn8  1  0.357  0.037  0.323  1.0
  Mn  Mn9  1  0.640  0.320  0.323  1.0
  Mn  Mn10  1  0.362  0.678  0.960  1.0
  Mn  Mn11  1  0.640  0.675  0.685  1.0
  Mn  Mn12  1  0.640  0.963  0.680  1.0
  Mn  Mn13  1  0.357  0.680  0.680  1.0
  Mn  Mn14  1  0.003  0.000  0.997  1.0
  Mn  Mn15  1  0.247  0.121  0.632  1.0
  Mn  Mn16  1  0.754  0.123  0.123  1.0
  Mn  Mn17  1  0.756  0.632  0.119  1.0
  Mn  Mn18  1  0.249  0.125  0.119  1.0
  Mn  Mn19  1  0.754  0.877  0.369  1.0
  Mn  Mn20  1  0.247  0.879  0.874  1.0
  Mn  Mn21  1  0.249  0.368  0.876  1.0
  Mn  Mn22  1  0.756  0.875  0.876  1.0
  Mn  Mn23  1  1.000  0.996  0.503  1.0
  Mn  Mn24  1  0.501  0.498  0.503  1.0
  Mn  Mn25  1  0.495  0.000  0.505  1.0
  Mn  Mn26  1  1.000  0.502  0.997  1.0
  Mn  Mn27  1  0.501  0.004  0.997  1.0
  Mn  Mn28  1  0.509  0.500  0.991  1.0
[/CIF]
.