data_[Ac8Ge2Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Ge  2.0100  1.2500  0.7700
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.6610]
_cell_length_b [5.0179]
_cell_length_c [9.6186]
_cell_angle_alpha [90.0000]
_cell_angle_beta [121.0352]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ac4GePb2]
_chemical_formula_sum '[Ac8 Ge2 Pb4]'
_cell_volume [523.6078]
_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  0.0824  0.0000  0.3685  1
  Ac  Ac1  4  0.1756  0.5000  0.0723  1
  Ge  Ge2  2  0.0000  0.0000  0.0000  1
  Pb  Pb3  4  0.1388  0.5000  0.6604  1
]