data_[Cs8Ag2Pb8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Ag  1.9300  1.6000  1.0867
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [I-42m]
_cell_length_a [7.7946]
_cell_length_b [7.7946]
_cell_length_c [16.9767]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [121]
_chemical_formula_structural [Cs4AgPb4]
_chemical_formula_sum '[Cs8 Ag2 Pb8]'
_cell_volume [1031.4209]
_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  8  0.1780  0.1780  0.3742  1
  Ag  Ag1  2  0.0000  0.0000  0.0000  1
  Pb  Pb2  8  0.1345  0.1345  0.1467  1
]