data_[Fe3Sn3Pb6O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Fe  1.8300  1.4000  0.8525
  Sn  1.9600  1.4500  0.8300
  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 [5.6938]
_cell_length_b [5.6938]
_cell_length_c [13.6967]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [FeSn(PbO3)2]
_chemical_formula_sum '[Fe3 Sn3 Pb6 O18]'
_cell_volume [384.5469]
_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
[
  Fe  Fe0  3  0.0000  0.0000  0.0000  1
  Sn  Sn1  3  -0.0000  0.0000  0.5000  1
  Pb  Pb2  6  0.0000  0.0000  0.2500  1
  O  O3  18  0.0051  0.4260  0.7487  1
]