data_[Ag1Sn1Hg2F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  Sn  1.9600  1.4500  0.8300
  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 [5.1826]
_cell_length_b [7.4851]
_cell_length_c [5.5036]
_cell_angle_alpha [90.0000]
_cell_angle_beta [91.9376]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [AgSnHg2F8]
_chemical_formula_sum '[Ag1 Sn1 Hg2 F8]'
_cell_volume [213.3778]
_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
[
  Ag  Ag0  1  0.0000  0.5000  0.0000  1.0
  Sn  Sn1  1  0.0000  0.0000  0.0000  1.0
  Hg  Hg2  2  0.5000  0.2555  0.5000  1.0
  F  F3  4  0.2022  0.1952  0.8362  1.0
  F  F4  2  0.2634  0.0000  0.2885  1.0
  F  F5  2  0.2926  0.5000  0.3116  1.0
]