The material described by ThPr crystallizes in the trigonal R-3m space group. Th(1) is bonded to six equivalent Th(1) and six equivalent Pr(1) atoms to form ThPr6Th6 cuboctahedra that share corners with twelve equivalent Th(1)Pr6Th6 cuboctahedra, edges with twelve equivalent Th(1)Pr6Th6 cuboctahedra, edges with twelve equivalent Pr(1)Pr6Th6 cuboctahedra, faces with six equivalent Th(1)Pr6Th6 cuboctahedra, and faces with twelve equivalent Pr(1)Pr6Th6 cuboctahedra. Pr(1) is bonded to six equivalent Th(1) and six equivalent Pr(1) atoms to form PrPr6Th6 cuboctahedra that share corners with twelve equivalent Pr(1)Pr6Th6 cuboctahedra, edges with twelve equivalent Th(1)Pr6Th6 cuboctahedra, edges with twelve equivalent Pr(1)Pr6Th6 cuboctahedra, faces with six equivalent Pr(1)Pr6Th6 cuboctahedra, and faces with twelve equivalent Th(1)Pr6Th6 cuboctahedra. is represented by the CIF file [CIF]
data_PrTh
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.292
_cell_length_b   6.292
_cell_length_c   6.292
_cell_angle_alpha   33.507
_cell_angle_beta   33.507
_cell_angle_gamma   33.507
_symmetry_Int_Tables_number   1
_cell_volume   67.626
_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  0.000  0.000  0.000  1.0
  Th  Th1  1  0.500  0.500  0.500  1.0
[/CIF]
.
The material described by ThPr crystallizes in the trigonal R-3m space group. Th(1) is bonded to six equivalent Th(1) and six equivalent Pr(1) atoms to form ThPr6Th6 cuboctahedra that share corners with twelve equivalent Th(1)Pr6Th6 cuboctahedra, edges with twelve equivalent Th(1)Pr6Th6 cuboctahedra, edges with twelve equivalent Pr(1)Pr6Th6 cuboctahedra, faces with six equivalent Th(1)Pr6Th6 cuboctahedra, and faces with twelve equivalent Pr(1)Pr6Th6 cuboctahedra. Pr(1) is bonded to six equivalent Th(1) and six equivalent Pr(1) atoms to form PrPr6Th6 cuboctahedra that share corners with twelve equivalent Pr(1)Pr6Th6 cuboctahedra, edges with twelve equivalent Th(1)Pr6Th6 cuboctahedra, edges with twelve equivalent Pr(1)Pr6Th6 cuboctahedra, faces with six equivalent Pr(1)Pr6Th6 cuboctahedra, and faces with twelve equivalent Th(1)Pr6Th6 cuboctahedra. is represented by the CIF file [CIF]
data_PrTh
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.292
_cell_length_b   6.292
_cell_length_c   6.292
_cell_angle_alpha   33.507
_cell_angle_beta   33.507
_cell_angle_gamma   33.507
_symmetry_Int_Tables_number   1
_cell_volume   67.626
_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  0.000  0.000  0.000  1.0
  Th  Th1  1  0.500  0.500  0.500  1.0
[/CIF]
.