data_[K6Na4Ag2I12]
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 [8.2229]
_cell_length_b [14.4685]
_cell_length_c [8.3858]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.8188]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K3Na2AgI6]
_chemical_formula_sum '[K6 Na4 Ag2 I12]'
_cell_volume [944.3525]
_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  0.0000  0.1680  0.5000  1.0
  K  K1  2  0.0000  0.5000  0.5000  1.0
  Na  Na2  4  0.0000  0.3319  0.0000  1.0
  Ag  Ag3  2  0.0000  0.0000  0.0000  1.0
  I  I4  8  0.2400  0.1631  0.2226  1.0
  I  I5  4  0.2428  0.0000  0.7867  1.0
]