data_[Pr4Sm20Dy8Er4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Sm  1.1700  1.8500  1.2290
  Dy  1.2200  1.7500  1.1310
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [5.6444]
_cell_length_b [20.2434]
_cell_length_c [10.7348]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [PrSm5Dy2Er]
_chemical_formula_sum '[Pr4 Sm20 Dy8 Er4]'
_cell_volume [1226.5820]
_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  0.2026  0.0091  1
  Sm  Sm1  4  0.0000  0.0169  0.0240  1
  Sm  Sm2  4  0.0000  0.2819  0.3063  1
  Sm  Sm3  4  0.0000  0.2983  0.7046  1
  Sm  Sm4  4  0.0000  0.3936  0.0251  1
  Sm  Sm5  4  0.0000  0.4791  0.7412  1
  Dy  Dy6  4  0.0000  0.1094  0.7372  1
  Dy  Dy7  4  0.0000  0.1159  0.3188  1
  Er  Er8  4  0.0000  0.4115  0.4576  1
]