data_[K4Pb4O8]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [6.5849]
_cell_length_b [7.1255]
_cell_length_c [7.6230]
_cell_angle_alpha [117.5865]
_cell_angle_beta [93.6446]
_cell_angle_gamma [104.8563]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [KPbO2]
_chemical_formula_sum '[K4 Pb4 O8]'
_cell_volume [299.3990]
_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  2  0.0167  0.7427  0.7429  1.0
  K  K1  2  0.4691  0.2481  0.9947  1.0
  Pb  Pb2  2  0.0678  0.7715  0.2593  1.0
  Pb  Pb3  2  0.4922  0.2608  0.4997  1.0
  O  O4  2  0.2773  0.0293  0.1988  1.0
  O  O5  2  0.2866  0.9774  0.5690  1.0
  O  O6  2  0.2902  0.5683  0.2057  1.0
  O  O7  2  0.3127  0.5110  0.5995  1.0
]