data_[Pm24Al4Cu8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Al  1.6100  1.2500  0.6750
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [9.5983]
_cell_length_b [10.1111]
_cell_length_c [10.3059]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Pm6AlCu2]
_chemical_formula_sum '[Pm24 Al4 Cu8]'
_cell_volume [1000.1775]
_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
[
  Pm  Pm0  8  0.0000  0.1938  0.2414  1
  Pm  Pm1  8  0.2013  0.5000  0.1765  1
  Pm  Pm2  8  0.2245  0.3185  0.5000  1
  Al  Al3  2  0.0000  0.0000  0.0000  1
  Al  Al4  2  0.0000  0.0000  0.5000  1
  Cu  Cu5  4  0.0000  0.3495  0.0000  1
  Cu  Cu6  4  0.0000  0.5000  0.3809  1
]