data_[Cs6Rb3Pb6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Rb  0.8200  2.3500  1.6600
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [6.8951]
_cell_length_b [6.8951]
_cell_length_c [20.5778]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Cs2RbPb2]
_chemical_formula_sum '[Cs6 Rb3 Pb6]'
_cell_volume [847.2487]
_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
[
  Cs  Cs0  6  0.0000  0.0000  0.2310  1.0
  Rb  Rb1  3  0.0000  0.0000  0.0000  1.0
  Pb  Pb2  6  0.0000  0.0000  0.4306  1.0
]