data_[Cs2Na2Pb2F8]
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
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.8287]
_cell_length_b [6.3703]
_cell_length_c [8.1249]
_cell_angle_alpha [90.0000]
_cell_angle_beta [112.4320]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [CsNaPbF4]
_chemical_formula_sum '[Cs2 Na2 Pb2 F8]'
_cell_volume [326.6986]
_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  0.2726  0.2500  0.9544  1.0
  Na  Na1  2  0.0685  0.2500  0.3281  1.0
  Pb  Pb2  2  0.3399  0.7500  0.5286  1.0
  F  F3  4  0.3044  0.0140  0.3125  1.0
  F  F4  2  0.0300  0.2500  0.5834  1.0
  F  F5  2  0.2769  0.7500  0.8208  1.0
]