data_[Rb2Ag2Br6]
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 [P6_3/mmc]
_cell_length_a [5.1183]
_cell_length_b [5.1183]
_cell_length_c [16.8357]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [194]
_chemical_formula_structural [RbAgBr3]
_chemical_formula_sum '[Rb2 Ag2 Br6]'
_cell_volume [381.9557]
_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  0.0000  1
  Ag  Ag1  2  0.3333  0.6667  0.7500  1
  Br  Br2  4  0.3333  0.6667  0.9002  1
  Br  Br3  2  0.0000  0.0000  0.2500  1
]