data_[K4Hg4F14]
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 [Cmmm]
_cell_length_a [7.5528]
_cell_length_b [8.4997]
_cell_length_c [6.0724]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [K2Hg2F7]
_chemical_formula_sum '[K4 Hg4 F14]'
_cell_volume [389.8264]
_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  0.2414  0.0000  0.5000  1.0
  Hg  Hg1  4  0.0000  0.2739  0.0000  1.0
  F  F2  8  0.2500  0.2500  0.2285  1.0
  F  F3  4  0.0000  0.5000  0.2241  1.0
  F  F4  2  0.0000  0.0000  0.0000  1.0
]