data_[K2Si2Au6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Si  1.9000  1.1000  0.5400
  Au  2.5400  1.3500  1.0700
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [3.5167]
_cell_length_b [6.9827]
_cell_length_c [9.4784]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [KSiAu3]
_chemical_formula_sum '[K2 Si2 Au6]'
_cell_volume [232.7520]
_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  2  0.0000  0.0000  0.3414  1.0
  Si  Si1  2  0.5000  0.0000  0.9886  1.0
  Au  Au2  4  0.5000  0.2027  0.6158  1.0
  Au  Au3  2  0.0000  0.0000  0.8105  1.0
]