data_[Li12Tb4Tl8]
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
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [14.4697]
_cell_length_b [4.6182]
_cell_length_c [9.2040]
_cell_angle_alpha [90.0000]
_cell_angle_beta [120.4915]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Li3TbTl2]
_chemical_formula_sum '[Li12 Tb4 Tl8]'
_cell_volume [529.9878]
_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
[
  Li  Li0  4  0.0517  0.0000  0.3932  1.0
  Li  Li1  4  0.0919  0.5000  0.6847  1.0
  Li  Li2  4  0.2409  0.5000  0.5711  1.0
  Tb  Tb3  4  0.1337  0.0000  0.0065  1.0
  Tl  Tl4  4  0.0591  0.5000  0.2067  1.0
  Tl  Tl5  4  0.2109  0.0000  0.7405  1.0
]