data_[K2Hg2F4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Hg  2.0000  1.5000  1.2450
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Pm]
_cell_length_a [6.7574]
_cell_length_b [3.8028]
_cell_length_c [7.6438]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.2072]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [6]
_chemical_formula_structural [KHgF2]
_chemical_formula_sum '[K2 Hg2 F4]'
_cell_volume [191.9800]
_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  1  0.3101  0.0000  0.3654  1
  K  K1  1  0.7490  0.5000  0.2161  1
  Hg  Hg2  1  0.3189  0.0000  0.8971  1
  Hg  Hg3  1  0.9799  0.0000  0.6637  1
  F  F4  1  0.0848  0.5000  0.4587  1
  F  F5  1  0.3414  0.5000  0.1263  1
  F  F6  1  0.6457  0.0000  0.9831  1
  F  F7  1  0.7001  0.0000  0.4668  1
]