data_[Na4Tb4Ag4Br20]
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
  Ag  1.9300  1.6000  1.0867
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [8.2624]
_cell_length_b [13.6576]
_cell_length_c [10.4393]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.4820]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [NaTbAgBr5]
_chemical_formula_sum '[Na4 Tb4 Ag4 Br20]'
_cell_volume [1103.5446]
_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  0.4336  0.2500  1.0
  Tb  Tb1  4  0.0000  0.0000  0.0000  1.0
  Ag  Ag2  4  0.0000  0.2824  0.7500  1.0
  Br  Br3  8  0.1723  0.4142  0.9539  1.0
  Br  Br4  8  0.1752  0.1690  0.6306  1.0
  Br  Br5  4  0.0000  0.0822  0.2500  1.0
]