data_[Na6Tl4In18]
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
  In  1.7800  1.5500  0.9400
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [5.0154]
_cell_length_b [11.7881]
_cell_length_c [13.5364]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Na3Tl2In9]
_chemical_formula_sum '[Na6 Tl4 In18]'
_cell_volume [800.2921]
_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
[
  Na  Na0  4  0.0000  0.0000  0.2871  1
  Na  Na1  2  0.0000  0.0000  0.0000  1
  Tl  Tl2  4  0.0000  0.1622  0.5000  1
  In  In3  8  0.0000  0.2756  0.1539  1
  In  In4  8  0.0000  0.3758  0.3616  1
  In  In5  2  0.0000  0.5000  0.0000  1
]