data_[Cs2Na2Pb6]
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 [I4mm]
_cell_length_a [5.1223]
_cell_length_b [5.1223]
_cell_length_c [14.7542]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [107]
_chemical_formula_structural [CsNaPb3]
_chemical_formula_sum '[Cs2 Na2 Pb6]'
_cell_volume [387.1249]
_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  2  0.0000  0.0000  0.6908  1.0
  Na  Na1  2  0.0000  0.0000  0.3079  1.0
  Pb  Pb2  4  0.0000  0.5000  0.4515  1.0
  Pb  Pb3  2  0.0000  0.0000  0.0815  1.0
]