data_[Cs6Na8Pb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Na  0.9300  1.8000  1.1600
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [7.3551]
_cell_length_b [8.6299]
_cell_length_c [14.2124]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [Cs3Na4Pb]
_chemical_formula_sum '[Cs6 Na8 Pb2]'
_cell_volume [902.1147]
_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
[
  Cs  Cs0  4  0.0000  0.2415  0.4353  1.0
  Cs  Cs1  2  0.0000  0.0000  0.0923  1.0
  Na  Na2  4  0.0000  0.2894  0.7910  1.0
  Na  Na3  4  0.2395  0.5000  0.1640  1.0
  Pb  Pb4  2  0.0000  0.5000  0.9762  1.0
]