data_[Ag8Hg8F20]
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 [Ima2]
_cell_length_a [15.1255]
_cell_length_b [6.0115]
_cell_length_c [6.3469]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [46]
_chemical_formula_structural [Ag2Hg2F5]
_chemical_formula_sum '[Ag8 Hg8 F20]'
_cell_volume [577.1082]
_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  8  0.0991  0.5065  0.5653  1.0
  Hg  Hg1  4  0.0000  0.0000  0.4331  1.0
  Hg  Hg2  4  0.2500  0.0177  0.6352  1.0
  F  F3  8  0.0922  0.6217  0.2051  1.0
  F  F4  8  0.1595  0.1860  0.3805  1.0
  F  F5  4  0.2500  0.6417  0.4646  1.0
]