data_[Ac4Ge4Pb4O20]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [7.2162]
_cell_length_b [9.6517]
_cell_length_c [8.6279]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.8103]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [AcGePbO5]
_chemical_formula_sum '[Ac4 Ge4 Pb4 O20]'
_cell_volume [572.1197]
_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
  Ge  Ge1  4  0.0000  0.3181  0.7500  1
  Pb  Pb2  4  0.0000  0.3498  0.2500  1
  O  O3  8  0.1377  0.4355  0.9035  1
  O  O4  8  0.1437  0.2014  0.6745  1
  O  O5  4  0.0000  0.1234  0.2500  1
]