data_[Tb4Nb4Cl4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Nb  1.6000  1.4500  0.8200
  Cl  3.1600  1.0000  0.7800
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.8751]
_cell_length_b [6.8117]
_cell_length_c [7.0744]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.2940]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [TbNbClO4]
_chemical_formula_sum '[Tb4 Nb4 Cl4 O16]'
_cell_volume [554.5305]
_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  0.2136  0.5000  0.8575  1
  Nb  Nb1  4  0.1389  0.5000  0.2762  1
  Cl  Cl2  4  0.0215  0.0000  0.8726  1
  O  O3  8  0.1948  0.2961  0.1409  1
  O  O4  4  0.0232  0.5000  0.7733  1
  O  O5  4  0.2078  0.5000  0.5403  1
]