data_[Pm10Sm4Bi8]
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
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [25.4585]
_cell_length_b [3.5454]
_cell_length_c [8.3946]
_cell_angle_alpha [90.0000]
_cell_angle_beta [91.4931]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm5(SmBi2)2]
_chemical_formula_sum '[Pm10 Sm4 Bi8]'
_cell_volume [757.4484]
_cell_formula_units_Z [2]
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  0.1393  0.0000  0.0571  1
  Pm  Pm1  4  0.1709  0.0000  0.4935  1
  Pm  Pm2  2  0.0000  0.5000  0.0000  1
  Sm  Sm3  4  0.2331  0.5000  0.8214  1
  Bi  Bi4  4  0.0494  0.0000  0.3145  1
  Bi  Bi5  4  0.0993  0.5000  0.7445  1
]