data_[Li8Tl4Sn8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Tl  1.6200  1.9000  1.3325
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [5.6010]
_cell_length_b [13.0322]
_cell_length_c [6.5096]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Li2TlSn2]
_chemical_formula_sum '[Li8 Tl4 Sn8]'
_cell_volume [475.1537]
_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  0.0000  0.0007  0.7500  1.0
  Li  Li1  4  0.0000  0.3703  0.7500  1.0
  Tl  Tl2  4  0.0000  0.4069  0.2500  1.0
  Sn  Sn3  8  0.0000  0.1880  0.0083  1.0
]