data_[Ac16Bi8Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Bi  2.0200  1.6000  1.0350
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [I-42d]
_cell_length_a [10.2609]
_cell_length_b [10.2609]
_cell_length_c [10.3136]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [122]
_chemical_formula_structural [Ac4Bi2Pb]
_chemical_formula_sum '[Ac16 Bi8 Pb4]'
_cell_volume [1085.8750]
_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
[
  Ac  Ac0  16  0.0690  0.6804  0.9469  1
  Bi  Bi1  8  0.1226  0.7500  0.6250  1
  Pb  Pb2  4  0.0000  0.0000  0.0000  1
]