data_[Rb6Ag3Br3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ag  1.9300  1.6000  1.0867
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [5.0314]
_cell_length_b [5.0314]
_cell_length_c [25.3785]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Rb2AgBr]
_chemical_formula_sum '[Rb6 Ag3 Br3]'
_cell_volume [556.3812]
_cell_formula_units_Z [3]
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  6  0.0000  0.0000  0.2548  1.0
  Ag  Ag1  3  -0.0000  -0.0000  0.5000  1.0
  Br  Br2  3  0.0000  0.0000  0.0000  1.0
]