data_[Pm8Dy2Cu8]
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
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [P4_2/n]
_cell_length_a [8.4774]
_cell_length_b [8.4774]
_cell_length_c [6.3802]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [86]
_chemical_formula_structural [Pm4DyCu4]
_chemical_formula_sum '[Pm8 Dy2 Cu8]'
_cell_volume [458.5151]
_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  8  0.0891  0.2938  0.5984  1
  Dy  Dy1  2  0.0000  0.0000  0.0000  1
  Cu  Cu2  8  0.1224  0.2679  0.1501  1
]