data_[Pm36Pr18Nd3]
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
  Nd  1.1400  1.8500  1.2765
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [12.3350]
_cell_length_b [12.3350]
_cell_length_c [15.3563]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Pm12Pr6Nd]
_chemical_formula_sum '[Pm36 Pr18 Nd3]'
_cell_volume [2023.4648]
_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  18  0.0052  0.8317  0.1907  1
  Pr  Pr1  18  0.0114  0.4215  0.6836  1
  Pm  Pm2  18  0.0477  0.8530  0.4168  1
  Nd  Nd3  3  0.0000  0.0000  0.0000  1
]