data_[Pm16Ag4Bi4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Ag  1.9300  1.6000  1.0867
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [5.7261]
_cell_length_b [21.1834]
_cell_length_c [6.5377]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Pm4AgBi]
_chemical_formula_sum '[Pm16 Ag4 Bi4]'
_cell_volume [793.0138]
_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  8  0.0000  0.2917  0.5034  1
  Pm  Pm1  4  0.0000  0.1186  0.7500  1
  Pm  Pm2  4  0.0000  0.4434  0.7500  1
  Ag  Ag3  4  0.0000  0.4188  0.2500  1
  Bi  Bi4  4  0.0000  0.1482  0.2500  1
]