data_[Y4Ho8Er16]
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 [C2]
_cell_length_a [15.6690]
_cell_length_b [6.0190]
_cell_length_c [12.0358]
_cell_angle_alpha [90.0000]
_cell_angle_beta [129.1457]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [5]
_chemical_formula_structural [Y(HoEr2)2]
_chemical_formula_sum '[Y4 Ho8 Er16]'
_cell_volume [880.3387]
_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
[
  Y  Y0  4  0.2127  0.8956  0.3577  1.0
  Ho  Ho1  4  0.2144  0.2809  0.8557  1.0
  Ho  Ho2  2  0.0000  0.4391  0.5000  1.0
  Ho  Ho3  2  0.0000  0.7393  0.0000  1.0
  Er  Er4  4  0.0688  0.3556  0.2804  1.0
  Er  Er5  4  0.0694  0.8199  0.7816  1.0
  Er  Er6  4  0.1435  0.9296  0.5750  1.0
  Er  Er7  4  0.1438  0.2489  0.0764  1.0
]