data_[K4Na2Ag4I12]
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 [15.6493]
_cell_length_b [7.5977]
_cell_length_c [9.0021]
_cell_angle_alpha [90.0000]
_cell_angle_beta [120.3659]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2Na(AgI3)2]
_chemical_formula_sum '[K4 Na2 Ag4 I12]'
_cell_volume [923.5064]
_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  0.2457  0.5000  0.2293  1.0
  Na  Na1  2  0.0000  0.5000  0.5000  1.0
  Ag  Ag2  4  0.0630  0.0000  0.1946  1.0
  I  I3  8  0.0710  0.2583  0.8351  1.0
  I  I4  4  0.2352  0.5000  0.6140  1.0
]