data_[Na4Ag4Bi4Br20]
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
  Bi  2.0200  1.6000  1.0350
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [8.3393]
_cell_length_b [13.7878]
_cell_length_c [10.5312]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.4653]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [NaAgBiBr5]
_chemical_formula_sum '[Na4 Ag4 Bi4 Br20]'
_cell_volume [1134.4591]
_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
[
  Na  Na0  4  0.0000  0.4346  0.2500  1.0
  Ag  Ag1  4  0.0000  0.2816  0.7500  1.0
  Bi  Bi2  4  0.0000  0.0000  0.0000  1.0
  Br  Br3  8  0.1659  0.4131  0.9518  1.0
  Br  Br4  8  0.1800  0.1712  0.6350  1.0
  Br  Br5  4  0.0000  0.0906  0.2500  1.0
]