data_[Tb8O14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [7.9963]
_cell_length_b [3.4817]
_cell_length_c [10.8987]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [Tb4O7]
_chemical_formula_sum '[Tb8 O14]'
_cell_volume [303.4273]
_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  0.2591  0.0000  0.2960  1
  Tb  Tb1  2  0.0000  0.0000  0.0063  1
  Tb  Tb2  2  0.5000  0.0000  0.0159  1
  O  O3  4  0.0960  0.0000  0.6556  1
  O  O4  4  0.2525  0.0000  0.9242  1
  O  O5  2  0.0000  0.0000  0.3768  1
  O  O6  2  0.5000  0.0000  0.3880  1
  O  O7  2  0.5000  0.0000  0.6626  1
]