data_[K2Ag4Bi2Br16]
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
  Bi  2.0200  1.6000  1.0350
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [I-4]
_cell_length_a [7.2171]
_cell_length_b [7.2171]
_cell_length_c [15.2556]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [82]
_chemical_formula_structural [KAg2BiBr8]
_chemical_formula_sum '[K2 Ag4 Bi2 Br16]'
_cell_volume [794.6149]
_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  0.2500  1
  Ag  Ag1  2  0.0000  0.0000  0.5000  1
  Ag  Ag2  2  0.0000  0.5000  0.7500  1
  Bi  Bi3  2  0.0000  0.0000  0.0000  1
  Br  Br4  8  0.1409  0.7921  0.8342  1
  Br  Br5  8  0.1722  0.2917  0.4380  1
]