data_[Pm20Nd8Sm4Th4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Nd  1.1400  1.8500  1.2765
  Sm  1.1700  1.8500  1.2290
  Th  1.3000  1.8000  1.0800
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [5.8586]
_cell_length_b [21.7010]
_cell_length_c [10.0700]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Pm5Nd2SmTh]
_chemical_formula_sum '[Pm20 Nd8 Sm4 Th4]'
_cell_volume [1280.2736]
_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  0.0156  0.5177  1
  Pm  Pm1  4  0.0000  0.2749  0.8196  1
  Pm  Pm2  4  0.0000  0.3025  0.2087  1
  Pm  Pm3  4  0.0000  0.4010  0.5415  1
  Pm  Pm4  4  0.0000  0.4685  0.2410  1
  Nd  Nd5  4  0.0000  0.1181  0.8353  1
  Nd  Nd6  4  0.0000  0.1238  0.2165  1
  Sm  Sm7  4  0.0000  0.1896  0.5165  1
  Th  Th8  4  0.0000  0.4081  0.9272  1
]