data_[Pm4Nd2Dy4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Nd  1.1400  1.8500  1.2765
  Dy  1.2200  1.7500  1.1310
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [3.5548]
_cell_length_b [5.7220]
_cell_length_c [16.4643]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Pm2NdDy2]
_chemical_formula_sum '[Pm4 Nd2 Dy4]'
_cell_volume [334.8910]
_cell_formula_units_Z [2]
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  4  0.0000  0.0000  0.2125  1
  Nd  Nd1  2  0.0000  0.5000  0.5000  1
  Dy  Dy2  4  0.0000  0.5000  0.0987  1
]