data_[Ac16Pt8Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Pt  2.2800  1.3500  0.8050
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.5945]
_cell_length_b [14.4735]
_cell_length_c [15.0324]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Ac4Pt2Pb]
_chemical_formula_sum '[Ac16 Pt8 Pb4]'
_cell_volume [999.6425]
_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  8  0.0000  0.2332  0.6141  1
  Ac  Ac1  4  0.0000  0.0575  0.2500  1
  Ac  Ac2  4  0.0000  0.5000  0.0000  1
  Pt  Pt3  8  0.0000  0.1320  0.0601  1
  Pb  Pb4  4  0.0000  0.3856  0.2500  1
]