data_[Na2Ag6Br12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ag  1.9300  1.6000  1.0867
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [9.7013]
_cell_length_b [13.9931]
_cell_length_c [4.4461]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Na(AgBr2)3]
_chemical_formula_sum '[Na2 Ag6 Br12]'
_cell_volume [603.5623]
_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
[
  Na  Na0  2  0.0000  0.5000  0.0000  1.0
  Ag  Ag1  4  0.2500  0.2500  0.5000  1.0
  Ag  Ag2  2  0.0000  0.0000  0.0000  1.0
  Br  Br3  8  0.1926  0.1259  0.0000  1.0
  Br  Br4  4  0.0000  0.3408  0.5000  1.0
]