data_[Na24Tl12Pb4]
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
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [9.2885]
_cell_length_b [16.9616]
_cell_length_c [7.9150]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Na6Tl3Pb]
_chemical_formula_sum '[Na24 Tl12 Pb4]'
_cell_volume [1246.9804]
_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
[
  Na  Na0  8  0.1848  0.5378  0.6398  1.0
  Na  Na1  8  0.2003  0.3104  0.8325  1.0
  Na  Na2  4  0.0000  0.0362  0.3027  1.0
  Na  Na3  4  0.0000  0.2650  0.2006  1.0
  Tl  Tl4  8  0.1663  0.8740  0.4603  1.0
  Tl  Tl5  4  0.0000  0.3818  0.5219  1.0
  Pb  Pb6  4  0.0000  0.1766  0.5952  1.0
]