data_[Rb2Ag4Br6]
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 [Amm2]
_cell_length_a [19.3091]
_cell_length_b [4.3569]
_cell_length_c [16.1729]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [RbAg2Br3]
_chemical_formula_sum '[Rb2 Ag4 Br6]'
_cell_volume [1360.5910]
_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
[
  Rb  Rb0  2  0.0000  0.0000  0.7811  1
  Ag  Ag1  4  0.0788  0.0000  0.9863  1
  Br  Br2  4  0.1116  0.0000  0.4009  1
  Br  Br3  2  0.0000  0.0000  0.1203  1
]