data_[Na1Li1Tl1Sn1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  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 [P4mm]
_cell_length_a [3.4110]
_cell_length_b [3.4110]
_cell_length_c [8.3010]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [99]
_chemical_formula_structural [NaLiTlSn]
_chemical_formula_sum '[Na1 Li1 Tl1 Sn1]'
_cell_volume [96.5829]
_cell_formula_units_Z [1]
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
[
  Na  Na0  1  0.0000  0.0000  0.0792  1.0
  Li  Li1  1  0.0000  0.0000  0.5613  1.0
  Tl  Tl2  1  0.5000  0.5000  0.7854  1.0
  Sn  Sn3  1  0.5000  0.5000  0.3587  1.0
]