data_[K4Rb12Pb2O2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Rb  0.8200  2.3500  1.6600
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [9.1991]
_cell_length_b [9.8161]
_cell_length_c [13.9693]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.0482]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [K2Rb6PbO]
_chemical_formula_sum '[K4 Rb12 Pb2 O2]'
_cell_volume [1184.9751]
_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
[
  Rb  Rb0  4  0.1407  0.0017  0.7160  1.0
  Rb  Rb1  4  0.1920  0.2143  0.4804  1.0
  Rb  Rb2  4  0.2223  0.6906  0.9813  1.0
  K  K3  4  0.3702  0.5055  0.7193  1.0
  Pb  Pb4  2  0.5000  0.0000  0.0000  1.0
  O  O5  2  0.0000  0.0000  0.5000  1.0
]