data_[K4Hg4F12]
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 [C2/m]
_cell_length_a [13.2819]
_cell_length_b [4.3510]
_cell_length_c [7.0342]
_cell_angle_alpha [90.0000]
_cell_angle_beta [94.5185]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [KHgF3]
_chemical_formula_sum '[K4 Hg4 F12]'
_cell_volume [405.2381]
_cell_formula_units_Z [4]
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  0.1352  0.5000  0.3796  1.0
  Hg  Hg1  4  0.1279  0.0000  0.9145  1.0
  F  F2  4  0.0531  0.0000  0.1929  1.0
  F  F3  4  0.1647  0.0000  0.6155  1.0
  F  F4  4  0.1774  0.5000  0.0094  1.0
]