data_[Rb8Na4Ag4Br20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  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 [Cmc2_1]
_cell_length_a [4.5830]
_cell_length_b [18.9411]
_cell_length_c [14.6031]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Rb2NaAgBr5]
_chemical_formula_sum '[Rb8 Na4 Ag4 Br20]'
_cell_volume [1267.6467]
_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
[
  Rb  Rb0  4  0.0000  0.1027  0.6911  1.0
  Rb  Rb1  4  0.0000  0.1524  0.3078  1.0
  Na  Na2  4  0.0000  0.1960  0.0285  1.0
  Ag  Ag3  4  0.0000  0.4794  0.4446  1.0
  Br  Br4  4  0.0000  0.0440  0.0474  1.0
  Br  Br5  4  0.0000  0.2765  0.6523  1.0
  Br  Br6  4  0.0000  0.3434  0.3887  1.0
  Br  Br7  4  0.0000  0.3838  0.9938  1.0
  Br  Br8  4  0.0000  0.4808  0.7696  1.0
]