data_[Ca3La6Pb3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  La  1.1000  1.9500  1.1720
  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 [6.1052]
_cell_length_b [6.1052]
_cell_length_c [14.9313]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [CaLa2PbO6]
_chemical_formula_sum '[Ca3 La6 Pb3 O18]'
_cell_volume [481.9777]
_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
[
  Ca  Ca0  3  -0.0000  0.0000  0.5000  1.0
  La  La1  6  0.0000  0.0000  0.2247  1.0
  Pb  Pb2  3  0.0000  0.0000  0.0000  1.0
  O  O3  18  0.0326  0.6333  0.7577  1.0
]