data_[Tb20Ag8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [15.9871]
_cell_length_b [7.2469]
_cell_length_c [6.8154]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.8508]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Tb5Ag2]
_chemical_formula_sum '[Tb20 Ag8]'
_cell_volume [789.5269]
_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  8  0.0933  0.1426  0.0034  1.0
  Tb  Tb1  8  0.2255  0.4741  0.2651  1.0
  Tb  Tb2  4  0.0000  0.4949  0.7500  1.0
  Ag  Ag3  8  0.1131  0.2494  0.5122  1.0
]