data_[Cs8K8Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  K  0.8200  2.2000  1.5200
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.1629]
_cell_length_b [15.4804]
_cell_length_c [10.2017]
_cell_angle_alpha [90.0000]
_cell_angle_beta [117.1876]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Cs2K2Pb]
_chemical_formula_sum '[Cs8 K8 Pb4]'
_cell_volume [1427.6682]
_cell_formula_units_Z [4]
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  0.0653  0.2869  0.7673  1
  K  K1  4  0.2071  0.0000  0.3811  1
  K  K2  4  0.2489  0.0000  0.8648  1
  Pb  Pb3  4  0.0000  0.0990  0.0000  1
]