data_[Y4Ho16Er8]
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 [Cm]
_cell_length_a [18.4656]
_cell_length_b [5.5740]
_cell_length_c [10.5299]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.4843]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [Y(Ho2Er)2]
_chemical_formula_sum '[Y4 Ho16 Er8]'
_cell_volume [893.3646]
_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  2  0.0164  0.0000  0.0269  1
  Y  Y1  2  0.2922  0.5000  0.2711  1
  Ho  Ho2  2  0.0125  0.0000  0.3359  1
  Ho  Ho3  2  0.0200  0.0000  0.6512  1
  Ho  Ho4  2  0.0627  0.5000  0.8810  1
  Ho  Ho5  2  0.1167  0.5000  0.2792  1
  Ho  Ho6  2  0.2081  0.0000  0.0276  1
  Ho  Ho7  2  0.2262  0.0000  0.3836  1
  Ho  Ho8  2  0.2931  0.5000  0.9535  1
  Ho  Ho9  2  0.3261  0.5000  0.6430  1
  Er  Er10  2  0.1185  0.5000  0.5982  1
  Er  Er11  2  0.2312  0.0000  0.7165  1
  Er  Er12  2  0.4135  0.0000  0.0749  1
  Er  Er13  2  0.4144  0.0000  0.4074  1
]