data_[Pr4Y20Er8Tm4]
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
  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 [5.6212]
_cell_length_b [20.1525]
_cell_length_c [10.5148]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [PrY5Er2Tm]
_chemical_formula_sum '[Pr4 Y20 Er8 Tm4]'
_cell_volume [1191.1347]
_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  0.1968  0.0146  1
  Y  Y1  4  0.0000  0.0159  0.0228  1
  Y  Y2  4  0.0000  0.2781  0.3134  1
  Y  Y3  4  0.0000  0.3018  0.7046  1
  Y  Y4  4  0.0000  0.3901  0.0248  1
  Y  Y5  4  0.0000  0.4788  0.7378  1
  Er  Er6  4  0.0000  0.1103  0.7363  1
  Er  Er7  4  0.0000  0.1122  0.3183  1
  Tm  Tm8  4  0.0000  0.4123  0.4513  1
]