data_[Tb4Ta4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Ta  1.5000  1.4500  0.8200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [7.0935]
_cell_length_b [11.1053]
_cell_length_c [5.1233]
_cell_angle_alpha [90.0000]
_cell_angle_beta [130.9200]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [TbTaO4]
_chemical_formula_sum '[Tb4 Ta4 O16]'
_cell_volume [304.9613]
_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  0.0000  0.3696  0.2500  1.0
  Ta  Ta1  4  0.0000  0.1036  0.7500  1.0
  O  O2  8  0.1583  0.2097  0.6611  1.0
  O  O3  8  0.2445  0.0318  0.2065  1.0
]