data_[Na4Hg2Pb2F12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Hg  2.0000  1.5000  1.2450
  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 [6.1225]
_cell_length_b [6.1656]
_cell_length_c [10.6574]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.3721]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Na2HgPbF6]
_chemical_formula_sum '[Na4 Hg2 Pb2 F12]'
_cell_volume [332.0545]
_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
[
  Na  Na0  4  0.2380  0.0419  0.2295  1.0
  Hg  Hg1  2  0.0000  0.0000  0.5000  1.0
  Pb  Pb2  2  0.5000  0.0000  0.0000  1.0
  F  F3  4  0.0986  0.1706  0.9492  1.0
  F  F4  4  0.2205  0.6709  0.9043  1.0
  F  F5  4  0.3939  0.1054  0.7490  1.0
]