data_[Tb6Fe3Sn3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Fe  1.8300  1.4000  0.8525
  Sn  1.9600  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.6269]
_cell_length_b [5.6269]
_cell_length_c [14.5489]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Tb2FeSnO6]
_chemical_formula_sum '[Tb6 Fe3 Sn3 O18]'
_cell_volume [398.9376]
_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
[
  Tb  Tb0  3  0.0000  0.0000  0.0313  1.0
  Tb  Tb1  3  0.0000  0.0000  0.5324  1.0
  Fe  Fe2  3  0.0000  0.0000  0.8105  1.0
  Sn  Sn3  3  0.0000  0.0000  0.3158  1.0
  O  O4  9  0.0092  0.3875  0.5821  1.0
  O  O5  9  0.0278  0.7310  0.4117  1.0
]