data_[K28Au8O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Au  2.5400  1.3500  1.0700
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Fm-3m]
_cell_length_a [12.1076]
_cell_length_b [12.1076]
_cell_length_c [12.1076]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [225]
_chemical_formula_structural [K7Au2O]
_chemical_formula_sum '[K28 Au8 O4]'
_cell_volume [1774.8901]
_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
[
  K  K0  24  0.0000  0.0000  0.2115  1
  K  K1  4  0.0000  0.0000  0.5000  1
  Au  Au2  8  0.2500  0.2500  0.2500  1
  O  O3  4  0.0000  0.0000  0.0000  1
]