data_[Pm16Dy4Y8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Dy  1.2200  1.7500  1.1310
  Y  1.2200  1.8000  1.0400
]
_symmetry_space_group_name_H-M [Cmce]
_cell_length_a [5.3370]
_cell_length_b [11.4415]
_cell_length_c [15.5627]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [64]
_chemical_formula_structural [Pm4DyY2]
_chemical_formula_sum '[Pm16 Dy4 Y8]'
_cell_volume [950.3094]
_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  0.1017  0.6936  1
  Pm  Pm1  8  0.0000  0.2069  0.9299  1
  Y  Y2  8  0.0000  0.1048  0.1572  1
  Dy  Dy3  4  0.0000  0.0000  0.5000  1
]