data_Pr
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.23
_cell_length_b   9.23
_cell_length_c   9.23
_cell_angle_alpha   23.3
_cell_angle_beta   23.3
_cell_angle_gamma   23.3
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Pr
_chemical_formula_sum   Pr3
_cell_volume   107.95
_cell_formula_units_Z   3
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  0.0  0.0  0.0  1.0
  Pr  Pr1  1  0.0  0.0  0.99  1.0
  Pr  Pr2  1  0.0  0.0  0.94  1.0

data_Pr
_symmetry_space_group_name_H-M   Cm
_cell_length_a   6.46
_cell_length_b   3.73
_cell_length_c   9.23
_cell_angle_alpha   90.0
_cell_angle_beta   103.48
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Pr
_chemical_formula_sum   Pr6
_cell_volume   215.9
_cell_formula_units_Z   6
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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  2  0.0  0.0  0.0  1.0
  Pr  Pr1  2  0.0  0.0  0.01  1.0
  Pr  Pr2  2  0.0  0.0  0.06  1.0

Pr Pr Pr