data_[Y6Ho6Er8]
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 [Amm2]
_cell_length_a [3.6916]
_cell_length_b [13.1013]
_cell_length_c [13.0954]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [Y3Ho3Er4]
_chemical_formula_sum '[Y6 Ho6 Er8]'
_cell_volume [633.3590]
_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  0.5000  0.1724  0.4997  1
  Y  Y1  2  0.5000  0.0000  0.8279  1
  Ho  Ho2  4  0.0000  0.2498  0.2499  1
  Ho  Ho3  2  0.5000  0.0000  0.1721  1
  Er  Er4  4  0.0000  0.1258  0.0011  1
  Er  Er5  2  0.0000  0.0000  0.3729  1
  Er  Er6  2  0.0000  0.0000  0.6257  1
]