The material structure described by PrHoPr crystallizes in the hexagonal P-6m2 space group. There are four inequivalent Ho sites. In the first Ho site, Ho(1) is bonded to six equivalent Ho(1), three equivalent Pr(2), and three equivalent Pr(4) atoms to form HoPr6Ho6 cuboctahedra that share corners with three equivalent Ho(3)Pr6Ho6 cuboctahedra, corners with three equivalent Pr(1)Pr12 cuboctahedra, corners with six equivalent Ho(1)Pr6Ho6 cuboctahedra, edges with three equivalent Ho(3)Pr6Ho6 cuboctahedra, edges with three equivalent Pr(1)Pr12 cuboctahedra, edges with six equivalent Ho(1)Pr6Ho6 cuboctahedra, edges with six equivalent Pr(2)Pr6Ho6 cuboctahedra, edges with six equivalent Pr(4)Pr9Ho3 cuboctahedra, faces with six equivalent Ho(1)Pr6Ho6 cuboctahedra, faces with six equivalent Pr(2)Pr6Ho6 cuboctahedra, and faces with six equivalent Pr(4)Pr9Ho3 cuboctahedra. In the second Ho site, Ho(2) is bonded to six equivalent Ho(2) and six equivalent Pr(3) atoms to form HoPr6Ho6 cuboctahedra that share corners with six equivalent Ho(2)Pr6Ho6 cuboctahedra, corners with six equivalent Pr(1)Pr12 cuboctahedra, edges with six equivalent Ho(2)Pr6Ho6 cuboctahedra, edges with six equivalent Pr(1)Pr12 cuboctahedra, edges with twelve equivalent Pr(3)Pr9Ho3 cuboctahedra, faces with six equivalent Ho(2)Pr6Ho6 cuboctahedra, and faces with twelve equivalent Pr(3)Pr9Ho3 cuboctahedra. In the third Ho site, Ho(1) is bonded to six equivalent Ho(1), three equivalent Pr(2), and three equivalent Pr(4) atoms to form HoPr6Ho6 cuboctahedra that share corners with three equivalent Ho(3)Pr6Ho6 cuboctahedra, corners with three equivalent Pr(1)Pr12 cuboctahedra, corners with six equivalent Ho(1)Pr6Ho6 cuboctahedra, edges with three equivalent Ho(3)Pr6Ho6 cuboctahedra, edges with three equivalent Pr(1)Pr12 cuboctahedra, edges with six equivalent Ho(1)Pr6Ho6 cuboctahedra, edges with six equivalent Pr(2)Pr6Ho6 cuboctahedra, edges with six equivalent Pr(4)Pr9Ho3 cuboctahedra, faces with six equivalent Ho(1)Pr6Ho6 cuboctahedra, faces with six equivalent Pr(2)Pr6Ho6 cuboctahedra, and faces with six equivalent Pr(4)Pr9Ho3 cuboctahedra. In the fourth Ho site, Ho(3) is bonded to six equivalent Ho(3) and six equivalent Pr(2) atoms to form HoPr6Ho6 cuboctahedra that share corners with six Ho(1,1)Pr6Ho6 cuboctahedra; corners with six equivalent Ho(3)Pr6Ho6 cuboctahedra; edges with six Ho(1,1)Pr6Ho6 cuboctahedra; edges with six equivalent Ho(3)Pr6Ho6 cuboctahedra; edges with twelve equivalent Pr(2)Pr6Ho6 cuboctahedra; faces with six equivalent Ho(3)Pr6Ho6 cuboctahedra; and faces with twelve equivalent Pr(2)Pr6Ho6 cuboctahedra. There are four inequivalent Pr sites. In the first Pr site, Pr(1) is bonded to three equivalent Pr(3), three equivalent Pr(4), and six equivalent Pr(1) atoms to form PrPr12 cuboctahedra that share corners with three equivalent Ho(1)Pr6Ho6 cuboctahedra, corners with three equivalent Ho(2)Pr6Ho6 cuboctahedra, corners with six equivalent Pr(1)Pr12 cuboctahedra, edges with three equivalent Ho(1)Pr6Ho6 cuboctahedra, edges with three equivalent Ho(2)Pr6Ho6 cuboctahedra, edges with six equivalent Pr(1)Pr12 cuboctahedra, edges with six equivalent Pr(3)Pr9Ho3 cuboctahedra, edges with six equivalent Pr(4)Pr9Ho3 cuboctahedra, faces with six equivalent Pr(1)Pr12 cuboctahedra, faces with six equivalent Pr(3)Pr9Ho3 cuboctahedra, and faces with six equivalent Pr(4)Pr9Ho3 cuboctahedra. In the second Pr site, Pr(2) is bonded to three equivalent Ho(1), three equivalent Ho(3), and six equivalent Pr(2) atoms to form PrPr6Ho6 cuboctahedra that share corners with six equivalent Pr(4)Pr9Ho3 cuboctahedra, corners with twelve equivalent Pr(2)Pr6Ho6 cuboctahedra, edges with six equivalent Ho(1)Pr6Ho6 cuboctahedra, edges with six equivalent Ho(3)Pr6Ho6 cuboctahedra, edges with six equivalent Pr(2)Pr6Ho6 cuboctahedra,  a faceface with one Pr(4)Pr9Ho3 cuboctahedra, faces with six equivalent Ho(1)Pr6Ho6 cuboctahedra, faces with six equivalent Ho(3)Pr6Ho6 cuboctahedra, and faces with seven equivalent Pr(2)Pr6Ho6 cuboctahedra. In the third Pr site, Pr(3) is bonded to three equivalent Ho(2), three equivalent Pr(1), and six equivalent Pr(3) atoms to form PrPr9Ho3 cuboctahedra that share corners with six equivalent Pr(4)Pr9Ho3 cuboctahedra, corners with twelve equivalent Pr(3)Pr9Ho3 cuboctahedra, edges with six equivalent Ho(2)Pr6Ho6 cuboctahedra, edges with six equivalent Pr(1)Pr12 cuboctahedra, edges with six equivalent Pr(3)Pr9Ho3 cuboctahedra,  a faceface with one Pr(4)Pr9Ho3 cuboctahedra, faces with six equivalent Ho(2)Pr6Ho6 cuboctahedra, faces with six equivalent Pr(1)Pr12 cuboctahedra, and faces with seven equivalent Pr(3)Pr9Ho3 cuboctahedra. In the fourth Pr site, Pr(4) is bonded to three equivalent Ho(1), three equivalent Pr(1), and six equivalent Pr(4) atoms to form PrPr9Ho3 cuboctahedra that share corners with six equivalent Pr(2)Pr6Ho6 cuboctahedra, corners with six equivalent Pr(3)Pr9Ho3 cuboctahedra, corners with six equivalent Pr(4)Pr9Ho3 cuboctahedra, edges with six equivalent Ho(1)Pr6Ho6 cuboctahedra, edges with six equivalent Pr(1)Pr12 cuboctahedra, edges with six equivalent Pr(4)Pr9Ho3 cuboctahedra,  a faceface with one Pr(2)Pr6Ho6 cuboctahedra,  a faceface with one Pr(3)Pr9Ho3 cuboctahedra, faces with six equivalent Ho(1)Pr6Ho6 cuboctahedra, faces with six equivalent Pr(1)Pr12 cuboctahedra, and faces with six equivalent Pr(4)Pr9Ho3 cuboctahedra. is represented by the CIF card [CIF]
data_Pr2Ho
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.669
_cell_length_b   3.669
_cell_length_c   35.417
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   412.896
_cell_formula_units_Z   4
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  0.333  0.667  0.667  1.0
  Pr  Pr1  1  0.333  0.667  0.333  1.0
  Pr  Pr2  1  0.000  0.000  0.918  1.0
  Pr  Pr3  1  0.000  0.000  0.581  1.0
  Pr  Pr4  1  0.000  0.000  0.246  1.0
  Pr  Pr5  1  0.000  0.000  0.082  1.0
  Pr  Pr6  1  0.000  0.000  0.754  1.0
  Pr  Pr7  1  0.000  0.000  0.419  1.0
  Ho  Ho8  1  0.667  0.333  0.836  1.0
  Ho  Ho9  1  0.667  0.333  0.500  1.0
  Ho  Ho10  1  0.667  0.333  0.164  1.0
  Ho  Ho11  1  0.333  0.667  0.000  1.0
[/CIF]
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The material structure described by PrHoPr crystallizes in the hexagonal P-6m2 space group. There are four inequivalent Ho sites. In the first Ho site, Ho(1) is bonded to six equivalent Ho(1), three equivalent Pr(2), and three equivalent Pr(4) atoms to form HoPr6Ho6 cuboctahedra that share corners with three equivalent Ho(3)Pr6Ho6 cuboctahedra, corners with three equivalent Pr(1)Pr12 cuboctahedra, corners with six equivalent Ho(1)Pr6Ho6 cuboctahedra, edges with three equivalent Ho(3)Pr6Ho6 cuboctahedra, edges with three equivalent Pr(1)Pr12 cuboctahedra, edges with six equivalent Ho(1)Pr6Ho6 cuboctahedra, edges with six equivalent Pr(2)Pr6Ho6 cuboctahedra, edges with six equivalent Pr(4)Pr9Ho3 cuboctahedra, faces with six equivalent Ho(1)Pr6Ho6 cuboctahedra, faces with six equivalent Pr(2)Pr6Ho6 cuboctahedra, and faces with six equivalent Pr(4)Pr9Ho3 cuboctahedra. In the second Ho site, Ho(2) is bonded to six equivalent Ho(2) and six equivalent Pr(3) atoms to form HoPr6Ho6 cuboctahedra that share corners with six equivalent Ho(2)Pr6Ho6 cuboctahedra, corners with six equivalent Pr(1)Pr12 cuboctahedra, edges with six equivalent Ho(2)Pr6Ho6 cuboctahedra, edges with six equivalent Pr(1)Pr12 cuboctahedra, edges with twelve equivalent Pr(3)Pr9Ho3 cuboctahedra, faces with six equivalent Ho(2)Pr6Ho6 cuboctahedra, and faces with twelve equivalent Pr(3)Pr9Ho3 cuboctahedra. In the third Ho site, Ho(1) is bonded to six equivalent Ho(1), three equivalent Pr(2), and three equivalent Pr(4) atoms to form HoPr6Ho6 cuboctahedra that share corners with three equivalent Ho(3)Pr6Ho6 cuboctahedra, corners with three equivalent Pr(1)Pr12 cuboctahedra, corners with six equivalent Ho(1)Pr6Ho6 cuboctahedra, edges with three equivalent Ho(3)Pr6Ho6 cuboctahedra, edges with three equivalent Pr(1)Pr12 cuboctahedra, edges with six equivalent Ho(1)Pr6Ho6 cuboctahedra, edges with six equivalent Pr(2)Pr6Ho6 cuboctahedra, edges with six equivalent Pr(4)Pr9Ho3 cuboctahedra, faces with six equivalent Ho(1)Pr6Ho6 cuboctahedra, faces with six equivalent Pr(2)Pr6Ho6 cuboctahedra, and faces with six equivalent Pr(4)Pr9Ho3 cuboctahedra. In the fourth Ho site, Ho(3) is bonded to six equivalent Ho(3) and six equivalent Pr(2) atoms to form HoPr6Ho6 cuboctahedra that share corners with six Ho(1,1)Pr6Ho6 cuboctahedra; corners with six equivalent Ho(3)Pr6Ho6 cuboctahedra; edges with six Ho(1,1)Pr6Ho6 cuboctahedra; edges with six equivalent Ho(3)Pr6Ho6 cuboctahedra; edges with twelve equivalent Pr(2)Pr6Ho6 cuboctahedra; faces with six equivalent Ho(3)Pr6Ho6 cuboctahedra; and faces with twelve equivalent Pr(2)Pr6Ho6 cuboctahedra. There are four inequivalent Pr sites. In the first Pr site, Pr(1) is bonded to three equivalent Pr(3), three equivalent Pr(4), and six equivalent Pr(1) atoms to form PrPr12 cuboctahedra that share corners with three equivalent Ho(1)Pr6Ho6 cuboctahedra, corners with three equivalent Ho(2)Pr6Ho6 cuboctahedra, corners with six equivalent Pr(1)Pr12 cuboctahedra, edges with three equivalent Ho(1)Pr6Ho6 cuboctahedra, edges with three equivalent Ho(2)Pr6Ho6 cuboctahedra, edges with six equivalent Pr(1)Pr12 cuboctahedra, edges with six equivalent Pr(3)Pr9Ho3 cuboctahedra, edges with six equivalent Pr(4)Pr9Ho3 cuboctahedra, faces with six equivalent Pr(1)Pr12 cuboctahedra, faces with six equivalent Pr(3)Pr9Ho3 cuboctahedra, and faces with six equivalent Pr(4)Pr9Ho3 cuboctahedra. In the second Pr site, Pr(2) is bonded to three equivalent Ho(1), three equivalent Ho(3), and six equivalent Pr(2) atoms to form PrPr6Ho6 cuboctahedra that share corners with six equivalent Pr(4)Pr9Ho3 cuboctahedra, corners with twelve equivalent Pr(2)Pr6Ho6 cuboctahedra, edges with six equivalent Ho(1)Pr6Ho6 cuboctahedra, edges with six equivalent Ho(3)Pr6Ho6 cuboctahedra, edges with six equivalent Pr(2)Pr6Ho6 cuboctahedra,  a faceface with one Pr(4)Pr9Ho3 cuboctahedra, faces with six equivalent Ho(1)Pr6Ho6 cuboctahedra, faces with six equivalent Ho(3)Pr6Ho6 cuboctahedra, and faces with seven equivalent Pr(2)Pr6Ho6 cuboctahedra. In the third Pr site, Pr(3) is bonded to three equivalent Ho(2), three equivalent Pr(1), and six equivalent Pr(3) atoms to form PrPr9Ho3 cuboctahedra that share corners with six equivalent Pr(4)Pr9Ho3 cuboctahedra, corners with twelve equivalent Pr(3)Pr9Ho3 cuboctahedra, edges with six equivalent Ho(2)Pr6Ho6 cuboctahedra, edges with six equivalent Pr(1)Pr12 cuboctahedra, edges with six equivalent Pr(3)Pr9Ho3 cuboctahedra,  a faceface with one Pr(4)Pr9Ho3 cuboctahedra, faces with six equivalent Ho(2)Pr6Ho6 cuboctahedra, faces with six equivalent Pr(1)Pr12 cuboctahedra, and faces with seven equivalent Pr(3)Pr9Ho3 cuboctahedra. In the fourth Pr site, Pr(4) is bonded to three equivalent Ho(1), three equivalent Pr(1), and six equivalent Pr(4) atoms to form PrPr9Ho3 cuboctahedra that share corners with six equivalent Pr(2)Pr6Ho6 cuboctahedra, corners with six equivalent Pr(3)Pr9Ho3 cuboctahedra, corners with six equivalent Pr(4)Pr9Ho3 cuboctahedra, edges with six equivalent Ho(1)Pr6Ho6 cuboctahedra, edges with six equivalent Pr(1)Pr12 cuboctahedra, edges with six equivalent Pr(4)Pr9Ho3 cuboctahedra,  a faceface with one Pr(2)Pr6Ho6 cuboctahedra,  a faceface with one Pr(3)Pr9Ho3 cuboctahedra, faces with six equivalent Ho(1)Pr6Ho6 cuboctahedra, faces with six equivalent Pr(1)Pr12 cuboctahedra, and faces with six equivalent Pr(4)Pr9Ho3 cuboctahedra. is represented by the CIF card [CIF]
data_Pr2Ho
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.669
_cell_length_b   3.669
_cell_length_c   35.417
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   412.896
_cell_formula_units_Z   4
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  0.333  0.667  0.667  1.0
  Pr  Pr1  1  0.333  0.667  0.333  1.0
  Pr  Pr2  1  0.000  0.000  0.918  1.0
  Pr  Pr3  1  0.000  0.000  0.581  1.0
  Pr  Pr4  1  0.000  0.000  0.246  1.0
  Pr  Pr5  1  0.000  0.000  0.082  1.0
  Pr  Pr6  1  0.000  0.000  0.754  1.0
  Pr  Pr7  1  0.000  0.000  0.419  1.0
  Ho  Ho8  1  0.667  0.333  0.836  1.0
  Ho  Ho9  1  0.667  0.333  0.500  1.0
  Ho  Ho10  1  0.667  0.333  0.164  1.0
  Ho  Ho11  1  0.333  0.667  0.000  1.0
[/CIF]
.