data_[Rb2Sm2Pb2O6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Sm  1.1700  1.8500  1.2290
  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 [7.2275]
_cell_length_b [3.6190]
_cell_length_c [9.5625]
_cell_angle_alpha [90.0000]
_cell_angle_beta [91.9772]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbSmPbO3]
_chemical_formula_sum '[Rb2 Sm2 Pb2 O6]'
_cell_volume [249.9714]
_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  0.3868  0.2500  0.3117  1.0
  Sm  Sm1  2  0.0892  0.2500  0.6463  1.0
  Pb  Pb2  2  0.2332  0.7500  0.9441  1.0
  O  O3  2  0.0052  0.2500  0.2099  1.0
  O  O4  2  0.1765  0.7500  0.5028  1.0
  O  O5  2  0.3434  0.2500  0.8156  1.0
]