data_[Dy8Mg20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Dy  1.2200  1.7500  1.1310
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [Ibam]
_cell_length_a [8.4288]
_cell_length_b [13.8001]
_cell_length_c [6.3076]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [Dy2Mg5]
_chemical_formula_sum '[Dy8 Mg20]'
_cell_volume [733.6891]
_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
[
  Dy  Dy0  8  0.1556  0.0861  0.5000  1
  Mg  Mg1  8  0.0000  0.2791  0.2500  1
  Mg  Mg2  8  0.2285  0.8543  0.5000  1
  Mg  Mg3  4  0.0000  0.5000  0.2500  1
]