data_[K4Al2Pb2F12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Al  1.6100  1.2500  0.6750
  Pb  2.3300  1.8000  1.1225
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Pmmn]
_cell_length_a [5.8016]
_cell_length_b [8.1730]
_cell_length_c [7.6390]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [59]
_chemical_formula_structural [K2AlPbF6]
_chemical_formula_sum '[K4 Al2 Pb2 F12]'
_cell_volume [362.2160]
_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  0.0000  0.2658  0.8326  1
  Al  Al1  2  0.0000  0.0000  0.1989  1
  Pb  Pb2  2  0.0000  0.5000  0.3349  1
  F  F3  4  0.0000  0.2284  0.1943  1
  F  F4  4  0.2185  0.0000  0.0225  1
  F  F5  4  0.2343  0.0000  0.3566  1
]