data_[Pr4Y4Ho20Er8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  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 [Cmc2_1]
_cell_length_a [5.5907]
_cell_length_b [19.7254]
_cell_length_c [10.5723]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [PrYHo5Er2]
_chemical_formula_sum '[Pr4 Y4 Ho20 Er8]'
_cell_volume [1165.9008]
_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
[
  Pr  Pr0  4  0.0000  0.4167  0.4513  1
  Y  Y1  4  0.0000  0.2005  0.0126  1
  Ho  Ho2  4  0.0000  0.0179  0.0249  1
  Ho  Ho3  4  0.0000  0.2818  0.3114  1
  Ho  Ho4  4  0.0000  0.2985  0.7110  1
  Ho  Ho5  4  0.0000  0.3881  0.0224  1
  Ho  Ho6  4  0.0000  0.4783  0.7365  1
  Er  Er7  4  0.0000  0.1109  0.7346  1
  Er  Er8  4  0.0000  0.1136  0.3193  1
]