data_[Tb4Ta4Cu4O20]
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
  Cu  1.9000  1.3500  0.8200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [6.3798]
_cell_length_b [9.3200]
_cell_length_c [7.5846]
_cell_angle_alpha [90.0000]
_cell_angle_beta [112.7550]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [TbTaCuO5]
_chemical_formula_sum '[Tb4 Ta4 Cu4 O20]'
_cell_volume [415.8832]
_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  0.3184  0.7500  1
  Ta  Ta1  4  0.0000  0.0000  0.0000  1
  Cu  Cu2  4  0.0000  0.3317  0.2500  1
  O  O3  8  0.0722  0.2074  0.0752  1
  O  O4  8  0.1686  0.4804  0.4193  1
  O  O5  4  0.0000  0.0668  0.7500  1
]