data_Pr
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.05
_cell_length_b   7.05
_cell_length_c   3.76
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   128.7
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Pr
_chemical_formula_sum   Pr4
_cell_volume   145.74
_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  0.05  0.64  0.6  1.0
  Pr  Pr1  1  0.05  0.29  0.04  1.0
  Pr  Pr2  1  0.05  0.71  0.72  1.0
  Pr  Pr3  1  0.05  0.36  0.16  1.0

data_Pr
_symmetry_space_group_name_H-M   P-1
_cell_length_a   3.76
_cell_length_b   6.1
_cell_length_c   7.05
_cell_angle_alpha   115.65
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   2
_chemical_formula_structural   Pr
_chemical_formula_sum   Pr4
_cell_volume   145.74
_cell_formula_units_Z   4
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-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  2  0.22  0.36  0.36  1.0
  Pr  Pr1  2  0.34  0.29  0.29  1.0

Pr Pr Pr Pr
Pr Pr Pr Pr 0 2 o o o 1 3 o o o 