data_[K2Na2Pb4F12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  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/c]
_cell_length_a [6.1455]
_cell_length_b [6.7450]
_cell_length_c [10.7613]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.1533]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [KNaPb2F6]
_chemical_formula_sum '[K2 Na2 Pb4 F12]'
_cell_volume [369.1448]
_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
[
  K  K0  2  0.5000  0.0000  0.0000  1.0
  Na  Na1  2  0.0000  0.0000  0.5000  1.0
  Pb  Pb2  4  0.2886  0.0491  0.2793  1.0
  F  F3  4  0.0691  0.1132  0.7260  1.0
  F  F4  4  0.3207  0.7336  0.6282  1.0
  F  F5  4  0.3613  0.1449  0.5207  1.0
]