data_[Pm4Nd48Dy8]
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 [Cmme]
_cell_length_a [7.2179]
_cell_length_b [11.6594]
_cell_length_c [25.0878]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [67]
_chemical_formula_structural [Pm(Nd6Dy)2]
_chemical_formula_sum '[Pm4 Nd48 Dy8]'
_cell_volume [2111.2930]
_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  4  0.0000  0.2500  0.0014  1
  Nd  Nd1  8  0.0000  0.0029  0.9252  1
  Nd  Nd2  8  0.0000  0.0243  0.4400  1
  Nd  Nd3  8  0.2304  0.2500  0.5846  1
  Nd  Nd4  8  0.2479  0.2500  0.1311  1
  Nd  Nd5  8  0.2500  0.0000  0.1995  1
  Nd  Nd6  8  0.2500  0.0000  0.3251  1
  Dy  Dy7  4  0.0000  0.2500  0.2716  1
  Dy  Dy8  4  0.0000  0.2500  0.7326  1
]