data_[K4Ag4Br8]
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
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [7.9541]
_cell_length_b [8.3288]
_cell_length_c [7.9664]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.6735]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [KAgBr2]
_chemical_formula_sum '[K4 Ag4 Br8]'
_cell_volume [516.8506]
_cell_formula_units_Z [4]
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  0.1789  0.0594  0.8095  1.0
  Ag  Ag1  4  0.3802  0.6345  0.9071  1.0
  Br  Br2  4  0.1000  0.7299  0.0072  1.0
  Br  Br3  4  0.4263  0.1313  0.2262  1.0
]