data_[Cs8Na4Ag4Br16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  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 [C2/c]
_cell_length_a [13.2099]
_cell_length_b [13.1171]
_cell_length_c [9.3419]
_cell_angle_alpha [90.0000]
_cell_angle_beta [133.6765]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Cs2NaAgBr4]
_chemical_formula_sum '[Cs8 Na4 Ag4 Br16]'
_cell_volume [1170.7457]
_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
[
  Cs  Cs0  4  0.0000  0.5000  0.0000  1.0
  Cs  Cs1  4  0.2500  0.2500  0.5000  1.0
  Na  Na2  4  0.0000  0.0000  0.0000  1.0
  Ag  Ag3  4  0.2500  0.2500  0.0000  1.0
  Br  Br4  8  0.0095  0.2325  0.9740  1.0
  Br  Br5  8  0.2186  0.0254  0.9699  1.0
]