data_[Pm3Pr6Pb3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Pr  1.1300  1.8500  1.0600
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [3.7037]
_cell_length_b [3.7037]
_cell_length_c [34.3304]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [PmPr2Pb]
_chemical_formula_sum '[Pm3 Pr6 Pb3]'
_cell_volume [407.8300]
_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
[
  Pm  Pm0  3  0.0000  0.0000  0.4999  1
  Pr  Pr1  3  0.0000  0.0000  0.7463  1
  Pr  Pr2  3  0.0000  0.0000  0.9202  1
  Pb  Pb3  3  0.0000  0.0000  0.3337  1
]