data_[Na4Tb4Cu4Cl20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Tb  1.1000  1.7500  0.9815
  Cu  1.9000  1.3500  0.8200
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [8.2916]
_cell_length_b [11.6664]
_cell_length_c [9.7781]
_cell_angle_alpha [90.0000]
_cell_angle_beta [113.1770]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [NaTbCuCl5]
_chemical_formula_sum '[Na4 Tb4 Cu4 Cl20]'
_cell_volume [869.5344]
_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
[
  Na  Na0  4  0.0000  0.3712  0.2500  1
  Tb  Tb1  4  0.0000  0.0000  0.0000  1
  Cu  Cu2  4  0.0000  0.3088  0.7500  1
  Cl  Cl3  8  0.1424  0.1923  0.6405  1
  Cl  Cl4  8  0.1712  0.4348  0.9371  1
  Cl  Cl5  4  0.0000  0.0987  0.2500  1
]