data_[Ac4Tb4Bi4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Tb  1.1000  1.7500  0.9815
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [F-43m]
_cell_length_a [7.9708]
_cell_length_b [7.9708]
_cell_length_c [7.9708]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [216]
_chemical_formula_structural [AcTbBi]
_chemical_formula_sum '[Ac4 Tb4 Bi4]'
_cell_volume [506.4179]
_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  4  0.0000  0.0000  0.0000  1
  Tb  Tb1  4  0.2500  0.2500  0.2500  1
  Bi  Bi2  4  0.2500  0.2500  0.7500  1
]