data_[Ag16Se6Br4]
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
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.5596]
_cell_length_b [8.2436]
_cell_length_c [8.0488]
_cell_angle_alpha [90.0000]
_cell_angle_beta [126.1897]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ag8Se3Br2]
_chemical_formula_sum '[Ag16 Se6 Br4]'
_cell_volume [619.0180]
_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  8  0.1131  0.2897  0.7852  1
  Ag  Ag1  4  0.0231  0.0000  0.1940  1
  Ag  Ag2  4  0.2188  0.5000  0.1831  1
  Se  Se3  4  0.0000  0.2851  0.0000  1
  Se  Se4  2  0.0000  0.0000  0.5000  1
  Br  Br5  4  0.1796  0.5000  0.5967  1
]