data_[Tb4Si2Ag2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Si  1.9000  1.1000  0.5400
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.0032]
_cell_length_b [4.3493]
_cell_length_c [7.9038]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.5979]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Tb2SiAg]
_chemical_formula_sum '[Tb4 Si2 Ag2]'
_cell_volume [193.1738]
_cell_formula_units_Z [2]
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  2  0.2016  0.7500  0.9255  1.0
  Tb  Tb1  2  0.2205  0.7500  0.4295  1.0
  Si  Si2  2  0.3343  0.2500  0.2100  1.0
  Ag  Ag3  2  0.3526  0.2500  0.7172  1.0
]