data_[K6Au8]
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
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [4.3172]
_cell_length_b [4.3172]
_cell_length_c [22.7064]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [K3Au4]
_chemical_formula_sum '[K6 Au8]'
_cell_volume [423.2144]
_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
[
  K  K0  4  0.0000  0.0000  0.3015  1
  K  K1  2  0.0000  0.0000  0.0000  1
  Au  Au2  4  0.0000  0.0000  0.1417  1
  Au  Au3  4  0.0000  0.0000  0.4394  1
]