data_[Rb6Tl4Ag2Br12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Tl  1.6200  1.9000  1.3325
  Ag  1.9300  1.6000  1.0867
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [8.3106]
_cell_length_b [14.6895]
_cell_length_c [8.1520]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.2883]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb3Tl2AgBr6]
_chemical_formula_sum '[Rb6 Tl4 Ag2 Br12]'
_cell_volume [939.3254]
_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  4  0.0000  0.1662  0.5000  1.0
  Rb  Rb1  2  0.0000  0.5000  0.5000  1.0
  Tl  Tl2  4  0.0000  0.3269  0.0000  1.0
  Ag  Ag3  2  0.0000  0.0000  0.0000  1.0
  Br  Br4  8  0.2479  0.1637  0.2435  1.0
  Br  Br5  4  0.2066  0.0000  0.8035  1.0
]