data_[Tb2Nb2Pb4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Nb  1.6000  1.4500  0.8200
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [5.9153]
_cell_length_b [5.9783]
_cell_length_c [10.2839]
_cell_angle_alpha [90.0000]
_cell_angle_beta [125.1670]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [TbNb(PbO3)2]
_chemical_formula_sum '[Tb2 Nb2 Pb4 O12]'
_cell_volume [297.2963]
_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
[
  Tb  Tb0  2  0.5000  0.0000  0.0000  1.0
  Nb  Nb1  2  0.0000  0.0000  0.5000  1.0
  Pb  Pb2  4  0.2556  0.5281  0.7490  1.0
  O  O3  4  0.1509  0.5193  0.2343  1.0
  O  O4  4  0.2321  0.2215  0.0431  1.0
  O  O5  4  0.3186  0.6942  0.0430  1.0
]