data_[K8Pb4O12]
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 [C2/c]
_cell_length_a [10.7845]
_cell_length_b [7.4918]
_cell_length_c [6.2562]
_cell_angle_alpha [90.0000]
_cell_angle_beta [99.6372]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [K2PbO3]
_chemical_formula_sum '[K8 Pb4 O12]'
_cell_volume [498.3370]
_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  8  0.1614  0.4007  0.1478  1.0
  Pb  Pb1  4  0.0000  0.0838  0.7500  1.0
  O  O2  8  0.1329  0.0384  0.0658  1.0
  O  O3  4  0.0000  0.3607  0.7500  1.0
]