data_[Ag6Se4F2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  Se  2.5500  1.1500  1.0133
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [19.5784]
_cell_length_b [3.0422]
_cell_length_c [9.9674]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [Ag3Se2F]
_chemical_formula_sum '[Ag6 Se4 F2]'
_cell_volume [593.6780]
_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  4  0.1031  0.0000  0.7456  1
  Ag  Ag1  2  0.0000  0.0000  0.5123  1
  Se  Se2  4  0.1169  0.0000  0.0117  1
  F  F3  2  0.0000  0.0000  0.2672  1
]