data_[Ag4Br4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P2]
_cell_length_a [4.3352]
_cell_length_b [18.7698]
_cell_length_c [8.2700]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.6031]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [3]
_chemical_formula_structural [AgBr]
_chemical_formula_sum '[Ag4 Br4]'
_cell_volume [656.7234]
_cell_formula_units_Z [4]
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  0.0987  0.4569  0.1808  1
  Ag  Ag1  2  0.3147  0.5352  0.6281  1
  Br  Br2  2  0.1557  0.6008  0.2487  1
  Br  Br3  1  0.0000  0.4143  0.5000  1
  Br  Br4  1  0.5000  0.3999  0.0000  1
]