data_[Tb2Ta2Ti4O16]
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
  Ti  1.5400  1.4000  0.8517
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.0952]
_cell_length_b [6.5373]
_cell_length_c [6.5421]
_cell_angle_alpha [90.0000]
_cell_angle_beta [93.9338]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [TbTaTi2O8]
_chemical_formula_sum '[Tb2 Ta2 Ti4 O16]'
_cell_volume [302.7282]
_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  0.0000  0.0000  0.5000  1
  Ta  Ta1  2  0.0000  0.0000  0.0000  1
  Ti  Ti2  4  0.0465  0.5000  0.7404  1
  O  O3  8  0.0003  0.2087  0.7765  1
  O  O4  4  0.1784  0.5000  0.5121  1
  O  O5  4  0.2160  0.5000  0.9698  1
]