data_[K4Na2Ag4Br12]
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
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [14.4012]
_cell_length_b [7.2942]
_cell_length_c [8.2794]
_cell_angle_alpha [90.0000]
_cell_angle_beta [118.8537]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2Na(AgBr3)2]
_chemical_formula_sum '[K4 Na2 Ag4 Br12]'
_cell_volume [761.7364]
_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  0.2396  0.5000  0.2120  1.0
  Na  Na1  2  0.0000  0.5000  0.5000  1.0
  Ag  Ag2  4  0.0613  0.0000  0.2104  1.0
  Br  Br3  8  0.0714  0.2602  0.8291  1.0
  Br  Br4  4  0.2360  0.5000  0.6099  1.0
]