data_[Li2Tb16Al4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Tb  1.1000  1.7500  0.9815
  Al  1.6100  1.2500  0.6750
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.0061]
_cell_length_b [5.1419]
_cell_length_c [6.8461]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.9785]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Li(Tb4Al)2]
_chemical_formula_sum '[Li2 Tb16 Al4]'
_cell_volume [617.6512]
_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
[
  Li  Li0  2  0.0000  0.5000  0.0000  1.0
  Tb  Tb1  4  0.0235  0.0000  0.7616  1.0
  Tb  Tb2  4  0.0957  0.5000  0.4682  1.0
  Tb  Tb3  4  0.1598  0.5000  0.9559  1.0
  Tb  Tb4  4  0.1967  0.0000  0.2868  1.0
  Al  Al5  4  0.1933  0.0000  0.7306  1.0
]