data_[Na1Ag2I1Br8]
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
  I  2.6600  1.4000  1.2733
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [6.8498]
_cell_length_b [7.8790]
_cell_length_c [9.2870]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.8666]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [NaAg2IBr8]
_chemical_formula_sum '[Na1 Ag2 I1 Br8]'
_cell_volume [479.6572]
_cell_formula_units_Z [1]
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  1  0.0000  0.5000  0.0000  1.0
  Ag  Ag1  2  0.0000  0.2482  0.5000  1.0
  I  I2  1  0.0000  0.0000  0.0000  1.0
  Br  Br3  4  0.1982  0.2382  0.8840  1.0
  Br  Br4  2  0.2530  0.5000  0.4936  1.0
  Br  Br5  2  0.2549  0.0000  0.4918  1.0
]