data_[Ac16Si10Bi2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Si  1.9000  1.1000  0.5400
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [I-4]
_cell_length_a [9.8284]
_cell_length_b [9.8284]
_cell_length_c [9.7480]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [82]
_chemical_formula_structural [Ac8Si5Bi]
_chemical_formula_sum '[Ac16 Si10 Bi2]'
_cell_volume [941.6349]
_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
[
  Ac  Ac0  8  0.0623  0.3105  0.4350  1
  Ac  Ac1  8  0.0705  0.1717  0.8138  1
  Si  Si2  8  0.1274  0.2479  0.1246  1
  Si  Si3  2  0.0000  0.0000  0.5000  1
  Bi  Bi4  2  0.0000  0.5000  0.7500  1
]