data_[Tb4Si4Ir4]
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
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [6.9270]
_cell_length_b [4.2660]
_cell_length_c [7.4159]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [TbSiIr]
_chemical_formula_sum '[Tb4 Si4 Ir4]'
_cell_volume [219.1440]
_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  0.0017  0.7500  0.6864  1.0
  Si  Si1  4  0.1999  0.7500  0.1080  1.0
  Ir  Ir2  4  0.1561  0.2500  0.9305  1.0
]