data_[Rb28Pb2O2]
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 [Amm2]
_cell_length_a [12.5582]
_cell_length_b [11.4965]
_cell_length_c [17.8211]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [Rb14PbO]
_chemical_formula_sum '[Rb28 Pb2 O2]'
_cell_volume [2572.9337]
_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  0.3076  0.2280  0.6135  1
  Rb  Rb1  4  0.0000  0.2046  0.8306  1
  Rb  Rb2  4  0.2809  0.0000  0.3242  1
  Rb  Rb3  4  0.3349  0.0000  0.9584  1
  Rb  Rb4  4  0.5000  0.1956  0.8115  1
  Rb  Rb5  2  0.0000  0.0000  0.1083  1
  Rb  Rb6  2  0.0000  0.0000  0.5440  1
  Pb  Pb7  2  0.5000  0.0000  0.1676  1
  O  O8  2  0.5000  0.0000  0.8769  1
]