data_[K2Na6Ag4I12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Na  0.9300  1.8000  1.1600
  Ag  1.9300  1.6000  1.0867
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [21.6760]
_cell_length_b [4.5016]
_cell_length_c [9.2495]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.4295]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [KNa3(AgI3)2]
_chemical_formula_sum '[K2 Na6 Ag4 I12]'
_cell_volume [874.0674]
_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  0.5000  0.0000  1.0
  Na  Na1  4  0.1714  0.0000  0.8148  1.0
  Na  Na2  2  0.0000  0.5000  0.5000  1.0
  Ag  Ag3  4  0.1952  0.0000  0.3305  1.0
  I  I4  4  0.0231  0.0000  0.7420  1.0
  I  I5  4  0.1659  0.5000  0.5417  1.0
  I  I6  4  0.1764  0.5000  0.1014  1.0
]