data_[K1Ag1Hg2F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Ag  1.9300  1.6000  1.0867
  Hg  2.0000  1.5000  1.2450
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [5.7563]
_cell_length_b [4.8232]
_cell_length_c [7.5724]
_cell_angle_alpha [90.0000]
_cell_angle_beta [95.3321]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [KAgHg2F8]
_chemical_formula_sum '[K1 Ag1 Hg2 F8]'
_cell_volume [209.3264]
_cell_formula_units_Z [1]
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  0.0000  0.0000  0.5000  1.0
  Ag  Ag1  1  0.0000  0.0000  0.0000  1.0
  Hg  Hg2  2  0.4997  0.5000  0.2394  1.0
  F  F3  2  0.2374  0.0000  0.2097  1.0
  F  F4  2  0.2377  0.0000  0.8253  1.0
  F  F5  2  0.2518  0.5000  0.0247  1.0
  F  F6  2  0.2611  0.5000  0.5394  1.0
]