data_[K4Ag8I12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Ag  1.9300  1.6000  1.0867
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [11.0157]
_cell_length_b [14.7184]
_cell_length_c [5.8744]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [KAg2I3]
_chemical_formula_sum '[K4 Ag8 I12]'
_cell_volume [952.4457]
_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  4  0.0000  0.2714  0.2500  1.0
  Ag  Ag1  8  0.1885  0.0000  0.0000  1.0
  I  I2  8  0.1978  0.3598  0.7500  1.0
  I  I3  4  0.0000  0.1097  0.7500  1.0
]