data_[Au2F4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Au  2.5400  1.3500  1.0700
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Pmm2]
_cell_length_a [3.3776]
_cell_length_b [18.9004]
_cell_length_c [6.7983]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [25]
_chemical_formula_structural [AuF2]
_chemical_formula_sum '[Au2 F4]'
_cell_volume [433.9899]
_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
[
  Au  Au0  1  0.0000  0.5000  0.0266  1
  Au  Au1  1  0.5000  0.5000  0.3072  1
  F  F2  2  0.0000  0.3968  0.0337  1
  F  F3  1  0.0000  0.5000  0.4971  1
  F  F4  1  0.5000  0.5000  0.8248  1
]