data_[Rb4Na2Pb2Cl12]
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
  Pb  2.3300  1.8000  1.1225
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [7.5721]
_cell_length_b [7.7974]
_cell_length_c [13.1861]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.9692]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Rb2NaPbCl6]
_chemical_formula_sum '[Rb4 Na2 Pb2 Cl12]'
_cell_volume [637.9846]
_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  4  0.2661  0.0594  0.2503  1
  Na  Na1  2  0.5000  0.0000  0.0000  1
  Pb  Pb2  2  0.0000  0.0000  0.5000  1
  Cl  Cl3  4  0.1667  0.0168  0.7466  1
  Cl  Cl4  4  0.2389  0.7108  0.5405  1
  Cl  Cl5  4  0.3322  0.2016  0.5419  1
]