data_[Ba6Ce3Pb3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Ce  1.1200  1.8500  1.0800
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [6.2433]
_cell_length_b [6.2433]
_cell_length_c [15.1765]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Ba2CePbO6]
_chemical_formula_sum '[Ba6 Ce3 Pb3 O18]'
_cell_volume [512.3062]
_cell_formula_units_Z [3]
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
[
  Ba  Ba0  6  0.0000  0.0000  0.2499  1.0
  Ce  Ce1  3  -0.0000  0.0000  0.5000  1.0
  Pb  Pb2  3  0.0000  0.0000  0.0000  1.0
  O  O3  18  0.0020  0.4516  0.7496  1.0
]