data_[Na2Ag2Br8]
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 [P2_1/c]
_cell_length_a [7.1218]
_cell_length_b [4.4665]
_cell_length_c [13.7720]
_cell_angle_alpha [90.0000]
_cell_angle_beta [120.1961]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [NaAgBr4]
_chemical_formula_sum '[Na2 Ag2 Br8]'
_cell_volume [378.6402]
_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  0.5000  0.0000  0.5000  1.0
  Ag  Ag1  2  0.0000  0.0000  0.0000  1.0
  Br  Br2  4  0.0175  0.1690  0.3560  1.0
  Br  Br3  4  0.4060  0.5003  0.6156  1.0
]