data_[Ag2Hg4F8]
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 [P2_1/m]
_cell_length_a [5.7700]
_cell_length_b [5.4850]
_cell_length_c [7.7718]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.7082]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [AgHg2F4]
_chemical_formula_sum '[Ag2 Hg4 F8]'
_cell_volume [231.5591]
_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
[
  Ag  Ag0  2  0.0931  0.2500  0.1321  1.0
  Hg  Hg1  2  0.2051  0.7500  0.4615  1.0
  Hg  Hg2  2  0.4143  0.2500  0.9240  1.0
  F  F3  4  0.1338  0.5032  0.6987  1.0
  F  F4  2  0.2144  0.7500  0.1487  1.0
  F  F5  2  0.3910  0.2500  0.4056  1.0
]