data_[Pm4Sm20Y8Tm4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Sm  1.1700  1.8500  1.2290
  Y  1.2200  1.8000  1.0400
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [5.6524]
_cell_length_b [20.2603]
_cell_length_c [10.6964]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [PmSm5Y2Tm]
_chemical_formula_sum '[Pm4 Sm20 Y8 Tm4]'
_cell_volume [1224.9327]
_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
[
  Pm  Pm0  4  0.0000  0.2021  0.0092  1
  Sm  Sm1  4  0.0000  0.0179  0.0229  1
  Sm  Sm2  4  0.0000  0.2822  0.3070  1
  Sm  Sm3  4  0.0000  0.2980  0.7039  1
  Sm  Sm4  4  0.0000  0.3935  0.0243  1
  Sm  Sm5  4  0.0000  0.4797  0.7419  1
  Y  Y6  4  0.0000  0.1099  0.7367  1
  Y  Y7  4  0.0000  0.1159  0.3185  1
  Tm  Tm8  4  0.0000  0.4107  0.4596  1
]