data_[La12Pm20Y8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Pm  1.1300  1.8500  1.1100
  Y  1.2200  1.8000  1.0400
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [11.0667]
_cell_length_b [14.8716]
_cell_length_c [10.1197]
_cell_angle_alpha [90.0000]
_cell_angle_beta [122.6678]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [La3Pm5Y2]
_chemical_formula_sum '[La12 Pm20 Y8]'
_cell_volume [1402.0398]
_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
[
  La  La0  8  0.1515  0.3737  0.0574  1
  La  La1  4  0.0000  0.2762  0.2500  1
  Pm  Pm2  8  0.2371  0.1221  0.2337  1
  Pm  Pm3  4  0.0000  0.0261  0.7500  1
  Pm  Pm4  4  0.0000  0.2324  0.7500  1
  Pm  Pm5  4  0.0000  0.4854  0.2500  1
  Y  Y6  8  0.1535  0.1227  0.5511  1
]