data_[Na6Tl1Sn1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Tl  1.6200  1.9000  1.3325
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Pmm2]
_cell_length_a [5.6299]
_cell_length_b [7.2067]
_cell_length_c [5.8050]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [25]
_chemical_formula_structural [Na6TlSn]
_chemical_formula_sum '[Na6 Tl1 Sn1]'
_cell_volume [235.5261]
_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  2  0.0000  0.2574  0.8065  1
  Na  Na1  2  0.5000  0.2622  0.1898  1
  Na  Na2  1  0.0000  0.5000  0.3461  1
  Na  Na3  1  0.5000  0.0000  0.6695  1
  Tl  Tl4  1  0.0000  0.0000  0.2997  1
  Sn  Sn5  1  0.5000  0.5000  0.6921  1
]