data_[K2Na4Hg4F14]
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
  Hg  2.0000  1.5000  1.2450
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [4.7098]
_cell_length_b [18.8668]
_cell_length_c [4.5878]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [KNa2Hg2F7]
_chemical_formula_sum '[K2 Na4 Hg4 F14]'
_cell_volume [407.6680]
_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  0.0000  0.0000  0.0478  1.0
  Na  Na1  4  0.0000  0.2437  0.5088  1.0
  Hg  Hg2  4  0.0000  0.3857  0.0097  1.0
  F  F3  4  0.0000  0.1077  0.5231  1.0
  F  F4  4  0.0000  0.2620  0.0081  1.0
  F  F5  4  0.0000  0.3699  0.5024  1.0
  F  F6  2  0.0000  0.5000  0.8477  1.0
]