data_[Li2Tb14Tl8]
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 [14.6248]
_cell_length_b [5.5728]
_cell_length_c [11.2101]
_cell_angle_alpha [90.0000]
_cell_angle_beta [127.1010]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [LiTb7Tl4]
_chemical_formula_sum '[Li2 Tb14 Tl8]'
_cell_volume [728.6910]
_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  0.0000  0.0000  1
  Tb  Tb1  4  0.0678  0.0000  0.3291  1
  Tb  Tb2  4  0.1617  0.5000  0.5955  1
  Tb  Tb3  4  0.2198  0.0000  0.8715  1
  Tb  Tb4  2  0.0000  0.5000  0.0000  1
  Tl  Tl5  4  0.0694  0.5000  0.7793  1
  Tl  Tl6  4  0.2029  0.5000  0.3375  1
]