data_[Rb3Ag2Pb1Br6]
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
  Pb  2.3300  1.8000  1.1225
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [8.4781]
_cell_length_b [8.4781]
_cell_length_c [8.5552]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [Rb3Ag2PbBr6]
_chemical_formula_sum '[Rb3 Ag2 Pb1 Br6]'
_cell_volume [532.5511]
_cell_formula_units_Z [1]
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  0.3333  0.6667  0.6035  1
  Rb  Rb1  1  0.0000  0.0000  0.0000  1
  Ag  Ag2  2  0.3333  0.6667  0.1484  1
  Pb  Pb3  1  0.0000  0.0000  0.5000  1
  Br  Br4  6  0.1669  0.3338  0.2883  1
]