data_[Ac4Si2Pd8Pb4]
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
  Pd  2.2000  1.4000  0.8462
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [6.8812]
_cell_length_b [6.8812]
_cell_length_c [9.1161]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Ac2Si(Pd2Pb)2]
_chemical_formula_sum '[Ac4 Si2 Pd8 Pb4]'
_cell_volume [431.6525]
_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  4  0.0000  0.5000  0.2500  1
  Si  Si1  2  0.0000  0.0000  0.0000  1
  Pd  Pd2  8  0.2452  0.7548  0.0000  1
  Pb  Pb3  4  0.0000  0.0000  0.3258  1
]