data_[Ag4Hg4F20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  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 [C2/c]
_cell_length_a [6.8391]
_cell_length_b [8.3164]
_cell_length_c [8.1494]
_cell_angle_alpha [90.0000]
_cell_angle_beta [95.6405]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [AgHgF5]
_chemical_formula_sum '[Ag4 Hg4 F20]'
_cell_volume [461.2674]
_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
[
  Ag  Ag0  4  0.0000  0.0893  0.7500  1
  Hg  Hg1  4  0.0000  0.5000  0.0000  1
  F  F2  8  0.1264  0.2621  0.8833  1
  F  F3  8  0.1501  0.0696  0.3937  1
  F  F4  4  0.0000  0.4070  0.2500  1
]