data_[Tb4Pb4Se4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Pb  2.3300  1.8000  1.1225
  Se  2.5500  1.1500  1.0133
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [7.6587]
_cell_length_b [9.9372]
_cell_length_c [8.0034]
_cell_angle_alpha [90.0000]
_cell_angle_beta [116.2770]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [TbPbSeO5]
_chemical_formula_sum '[Tb4 Pb4 Se4 O20]'
_cell_volume [546.1698]
_cell_formula_units_Z [4]
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  4  0.2500  0.2500  0.5000  1
  Pb  Pb1  4  0.0000  0.0456  0.7500  1
  Se  Se2  4  0.0000  0.4485  0.7500  1
  O  O3  8  0.0294  0.3416  0.5978  1
  O  O4  8  0.2451  0.0261  0.6040  1
  O  O5  4  0.0000  0.1759  0.2500  1
]