data_[Rb8Pb2O10]
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 [I4]
_cell_length_a [8.6588]
_cell_length_b [8.6588]
_cell_length_c [6.1211]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [79]
_chemical_formula_structural [Rb4PbO5]
_chemical_formula_sum '[Rb8 Pb2 O10]'
_cell_volume [458.9299]
_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  8  0.0912  0.2953  0.4807  1
  Pb  Pb1  2  0.0000  0.0000  0.9395  1
  O  O2  8  0.0735  0.2364  0.0090  1
  O  O3  2  0.0000  0.0000  0.5911  1
]