data_[Tb24Ag18]
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 [R-3]
_cell_length_a [13.8508]
_cell_length_b [13.8508]
_cell_length_c [6.4263]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Tb4Ag3]
_chemical_formula_sum '[Tb24 Ag18]'
_cell_volume [1067.6758]
_cell_formula_units_Z [6]
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  18  0.0505  0.8016  0.1708  1.0
  Tb  Tb1  3  0.0000  0.0000  0.0000  1.0
  Tb  Tb2  3  0.0000  0.0000  0.5000  1.0
  Ag  Ag3  18  0.0484  0.8202  0.6899  1.0
]