data_[Rb2Sr2Pb2O6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Sr  0.9500  2.0000  1.3200
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.4419]
_cell_length_b [4.1056]
_cell_length_c [9.6820]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.6045]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbSrPbO3]
_chemical_formula_sum '[Rb2 Sr2 Pb2 O6]'
_cell_volume [256.0577]
_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  2  0.2561  0.2500  0.3149  1.0
  Sr  Sr1  2  0.2500  0.7500  0.9691  1.0
  Pb  Pb2  2  0.2446  0.2500  0.6912  1.0
  O  O3  2  0.0187  0.2500  0.8580  1.0
  O  O4  2  0.2486  0.7500  0.6067  1.0
  O  O5  2  0.4743  0.2500  0.8593  1.0
]