data_[Pm4Sm20Y8Th4]
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
  Th  1.3000  1.8000  1.0800
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [5.6994]
_cell_length_b [20.3100]
_cell_length_c [10.5714]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [PmSm5Y2Th]
_chemical_formula_sum '[Pm4 Sm20 Y8 Th4]'
_cell_volume [1223.6913]
_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  0.4105  0.4497  1
  Sm  Sm1  4  0.0000  0.0171  0.0233  1
  Sm  Sm2  4  0.0000  0.2781  0.3126  1
  Sm  Sm3  4  0.0000  0.2944  0.7043  1
  Sm  Sm4  4  0.0000  0.3910  0.0270  1
  Sm  Sm5  4  0.0000  0.4776  0.7409  1
  Y  Y6  4  0.0000  0.1129  0.7336  1
  Y  Y7  4  0.0000  0.1161  0.3205  1
  Th  Th8  4  0.0000  0.2014  0.0121  1
]