data_[K4Pb2Br8O2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Pb  2.3300  1.8000  1.1225
  Br  2.9600  1.1500  0.8825
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_12_12]
_cell_length_a [8.3325]
_cell_length_b [14.1256]
_cell_length_c [4.5052]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [18]
_chemical_formula_structural [K2PbBr4O]
_chemical_formula_sum '[K4 Pb2 Br8 O2]'
_cell_volume [530.2666]
_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  0.0836  0.3282  0.4927  1
  Pb  Pb1  2  0.0000  0.0000  0.0129  1
  Br  Br2  4  0.1215  0.7996  0.0002  1
  Br  Br3  4  0.2416  0.0450  0.5187  1
  O  O4  2  0.0000  0.5000  0.1658  1
]