data_[Dy4Ho8Er4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Dy  1.2200  1.7500  1.1310
  Ho  1.2300  1.7500  1.0410
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [Ama2]
_cell_length_a [5.5700]
_cell_length_b [12.4445]
_cell_length_c [7.2021]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [40]
_chemical_formula_structural [DyHo2Er]
_chemical_formula_sum '[Dy4 Ho8 Er4]'
_cell_volume [499.2190]
_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  4  0.2500  0.3336  0.8124  1
  Ho  Ho1  4  0.2500  0.0833  0.0622  1
  Ho  Ho2  4  0.2500  0.3338  0.3125  1
  Er  Er3  4  0.2500  0.0833  0.5627  1
]