data_[Tb8Cu2O14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Cu  1.9000  1.3500  0.8200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.6424]
_cell_length_b [3.9075]
_cell_length_c [9.0010]
_cell_angle_alpha [90.0000]
_cell_angle_beta [133.4118]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb4CuO7]
_chemical_formula_sum '[Tb8 Cu2 O14]'
_cell_volume [323.0081]
_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  4  0.0870  0.5000  0.3970  1.0
  Tb  Tb1  4  0.2464  0.5000  0.1558  1.0
  Cu  Cu2  2  0.0000  0.0000  0.0000  1.0
  O  O3  4  0.0904  0.0000  0.8928  1.0
  O  O4  4  0.1339  0.5000  0.6965  1.0
  O  O5  4  0.2042  0.0000  0.5559  1.0
  O  O6  2  0.0000  0.5000  0.0000  1.0
]