data_[K4Hg4F10]
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 [12.7563]
_cell_length_b [4.6568]
_cell_length_c [7.0513]
_cell_angle_alpha [90.0000]
_cell_angle_beta [122.2035]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2Hg2F5]
_chemical_formula_sum '[K4 Hg4 F10]'
_cell_volume [354.4343]
_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  0.1207  0.5000  0.2911  1
  Hg  Hg1  4  0.1195  0.0000  0.8253  1
  F  F2  4  0.1329  0.0000  0.5076  1
  F  F3  4  0.1348  0.5000  0.9084  1
  F  F4  2  0.0000  0.0000  0.0000  1
]