data_[Tb4Tm16Ag4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Tm  1.2500  1.7500  1.0950
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [5.3543]
_cell_length_b [20.7004]
_cell_length_c [6.3559]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [TbTm4Ag]
_chemical_formula_sum '[Tb4 Tm16 Ag4]'
_cell_volume [704.4564]
_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  0.0000  0.1356  0.7159  1
  Tm  Tm1  4  0.0000  0.0661  0.2107  1
  Tm  Tm2  4  0.0000  0.2579  0.0871  1
  Tm  Tm3  4  0.0000  0.3239  0.5763  1
  Tm  Tm4  4  0.0000  0.4651  0.3767  1
  Ag  Ag5  4  0.0000  0.3981  0.9668  1
]