data_[K4Na2Pb2F12]
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 [6.2576]
_cell_length_b [6.4137]
_cell_length_c [10.8354]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.8205]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [K2NaPbF6]
_chemical_formula_sum '[K4 Na2 Pb2 F12]'
_cell_volume [357.0049]
_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  4  0.2644  0.5479  0.7515  1.0
  Na  Na1  2  0.5000  0.0000  0.0000  1.0
  Pb  Pb2  2  0.0000  0.0000  0.5000  1.0
  F  F3  4  0.1549  0.5347  0.2466  1.0
  F  F4  4  0.2504  0.2120  0.0506  1.0
  F  F5  4  0.3372  0.7025  0.0461  1.0
]