data_[Ac20Ge8O4]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [6.2229]
_cell_length_b [12.7604]
_cell_length_c [14.1491]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Ac5Ge2O]
_chemical_formula_sum '[Ac20 Ge8 O4]'
_cell_volume [1123.5268]
_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  0.0581  0.1235  1
  Ac  Ac1  8  0.0000  0.3469  0.1007  1
  Ac  Ac2  4  0.0000  0.3087  0.7500  1
  Ge  Ge3  8  0.0000  0.1813  0.5700  1
  O  O4  4  0.0000  0.2136  0.2500  1
]