data_[Rb4Pb4O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  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 [P-1]
_cell_length_a [6.9299]
_cell_length_b [7.2061]
_cell_length_c [7.8970]
_cell_angle_alpha [116.4992]
_cell_angle_beta [95.5935]
_cell_angle_gamma [103.1527]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [RbPbO2]
_chemical_formula_sum '[Rb4 Pb4 O8]'
_cell_volume [334.5857]
_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
[
  Rb  Rb0  2  0.0181  0.7338  0.7401  1.0
  Rb  Rb1  2  0.4572  0.2443  0.9897  1.0
  Pb  Pb2  2  0.0945  0.7903  0.2687  1.0
  Pb  Pb3  2  0.4935  0.2627  0.4996  1.0
  O  O4  2  0.2861  0.0399  0.2113  1.0
  O  O5  2  0.2973  0.5821  0.2168  1.0
  O  O6  2  0.2988  0.9787  0.5635  1.0
  O  O7  2  0.3256  0.5128  0.5945  1.0
]