data_[K4Ag2Pb2Br12]
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
  Pb  2.3300  1.8000  1.1225
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [7.6884]
_cell_length_b [8.0276]
_cell_length_c [13.3953]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.7157]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [K2AgPbBr6]
_chemical_formula_sum '[K4 Ag2 Pb2 Br12]'
_cell_volume [679.5799]
_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  0.2230  0.5741  0.7477  1
  Ag  Ag1  2  0.0000  0.0000  0.5000  1
  Pb  Pb2  2  0.5000  0.0000  0.0000  1
  Br  Br3  4  0.1436  0.7069  0.4503  1
  Br  Br4  4  0.2483  0.1964  0.4526  1
  Br  Br5  4  0.3394  0.5215  0.2424  1
]