data_[Y4Ho16Er6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Ho  1.2300  1.7500  1.0410
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [5.5707]
_cell_length_b [6.7401]
_cell_length_c [22.1692]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Y2Ho8Er3]
_chemical_formula_sum '[Y4 Ho16 Er6]'
_cell_volume [832.3943]
_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
[
  Y  Y0  4  0.0000  0.5000  0.2233  1
  Ho  Ho1  8  0.0000  0.2383  0.3488  1
  Ho  Ho2  4  0.0000  0.0000  0.1800  1
  Ho  Ho3  4  0.0000  0.5000  0.0746  1
  Er  Er4  4  0.0000  0.2381  0.5000  1
  Er  Er5  2  0.0000  0.0000  0.0000  1
]