data_[K2Tl4Si2Au4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Tl  1.6200  1.9000  1.3325
  Si  1.9000  1.1000  0.5400
  Au  2.5400  1.3500  1.0700
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [4.5838]
_cell_length_b [8.0767]
_cell_length_c [9.0473]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [KTl2SiAu2]
_chemical_formula_sum '[K2 Tl4 Si2 Au4]'
_cell_volume [334.9520]
_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  0.3198  0.5087  1.0
  Tl  Tl1  2  0.0000  0.1488  0.1622  1.0
  Tl  Tl2  2  0.5000  0.0268  0.8905  1.0
  Si  Si3  2  0.5000  0.3967  0.8768  1.0
  Au  Au4  2  0.0000  0.2795  0.8584  1.0
  Au  Au5  2  0.5000  0.4216  0.1578  1.0
]