data_[Pr20Ho4Er8Tm4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Ho  1.2300  1.7500  1.0410
  Er  1.2400  1.7500  1.0300
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [5.6390]
_cell_length_b [20.5706]
_cell_length_c [10.7162]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Pr5HoEr2Tm]
_chemical_formula_sum '[Pr20 Ho4 Er8 Tm4]'
_cell_volume [1243.0436]
_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  0.0149  0.0138  1
  Pr  Pr1  4  0.0000  0.2785  0.3152  1
  Pr  Pr2  4  0.0000  0.2967  0.7084  1
  Pr  Pr3  4  0.0000  0.3804  0.0190  1
  Pr  Pr4  4  0.0000  0.4862  0.7453  1
  Ho  Ho5  4  0.0000  0.4058  0.4673  1
  Er  Er6  4  0.0000  0.1133  0.3023  1
  Er  Er7  4  0.0000  0.1135  0.7409  1
  Tm  Tm8  4  0.0000  0.1977  0.0117  1
]