data_[Pm15Dy4Mg1]
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
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [5.0985]
_cell_length_b [5.0985]
_cell_length_c [25.5727]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [Pm15Dy4Mg]
_chemical_formula_sum '[Pm15 Dy4 Mg1]'
_cell_volume [664.7572]
_cell_formula_units_Z [1]
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  0.5000  0.0981  1
  Pm  Pm1  4  0.0000  0.5000  0.2987  1
  Pm  Pm2  2  0.0000  0.5000  0.5000  1
  Pm  Pm3  2  0.5000  0.5000  0.1970  1
  Pm  Pm4  2  0.5000  0.5000  0.3989  1
  Pm  Pm5  1  0.5000  0.5000  0.0000  1
  Dy  Dy6  2  0.0000  0.0000  0.1977  1
  Dy  Dy7  2  0.0000  0.0000  0.3994  1
  Mg  Mg8  1  0.0000  0.0000  0.0000  1
]