data_[Rb2Na4Tl12Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  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 [C2/m]
_cell_length_a [11.3421]
_cell_length_b [7.0369]
_cell_length_c [9.9067]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.9760]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [RbNa2(Tl3Pb)2]
_chemical_formula_sum '[Rb2 Na4 Tl12 Pb4]'
_cell_volume [738.2919]
_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
[
  Rb  Rb0  2  0.0000  0.5000  0.5000  1.0
  Na  Na1  4  0.1191  0.5000  0.9079  1.0
  Tl  Tl2  8  0.1661  0.2473  0.2152  1.0
  Tl  Tl3  4  0.0979  0.0000  0.8455  1.0
  Pb  Pb4  4  0.1556  0.0000  0.5007  1.0
]