data_[Rb9Na6Pb24]
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
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [7.3507]
_cell_length_b [7.3507]
_cell_length_c [39.5351]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Rb3(NaPb4)2]
_chemical_formula_sum '[Rb9 Na6 Pb24]'
_cell_volume [1849.9861]
_cell_formula_units_Z [3]
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  6  0.0000  0.0000  0.7994  1
  Rb  Rb1  3  0.0000  0.0000  0.0000  1
  Na  Na2  6  0.0000  0.0000  0.4656  1
  Pb  Pb3  18  0.0513  0.5257  0.7545  1
  Pb  Pb4  6  0.0000  0.0000  0.3714  1
]