data_[Cs2Bi2Pb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Bi  2.0200  1.6000  1.0350
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [P4/nmm]
_cell_length_a [5.6314]
_cell_length_b [5.6314]
_cell_length_c [8.7857]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [129]
_chemical_formula_structural [CsBiPb]
_chemical_formula_sum '[Cs2 Bi2 Pb2]'
_cell_volume [278.6156]
_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  0.5000  0.1665  1.0
  Bi  Bi1  2  0.0000  0.5000  0.6943  1.0
  Pb  Pb2  2  0.0000  0.0000  0.5000  1.0
]