data_[Ag2Hg2Br2F4]
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
  Br  2.9600  1.1500  0.8825
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.3801]
_cell_length_b [4.5130]
_cell_length_c [7.7812]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.1952]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [AgHgBrF2]
_chemical_formula_sum '[Ag2 Hg2 Br2 F4]'
_cell_volume [216.2173]
_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  0.2950  0.7500  0.5585  1
  Hg  Hg1  2  0.3183  0.7500  0.0966  1
  Br  Br2  2  0.0007  0.7500  0.2344  1
  F  F3  2  0.4201  0.2500  0.6218  1
  F  F4  2  0.4952  0.7500  0.8887  1
]