data_[Rb2Ce1Tl1Br8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ce  1.1200  1.8500  1.0800
  Tl  1.6200  1.9000  1.3325
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [6.4776]
_cell_length_b [9.3735]
_cell_length_c [8.1265]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.6984]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Rb2CeTlBr8]
_chemical_formula_sum '[Rb2 Ce1 Tl1 Br8]'
_cell_volume [493.3878]
_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  0.5000  0.2570  0.5000  1.0
  Ce  Ce1  1  0.0000  0.0000  0.0000  1.0
  Tl  Tl2  1  0.0000  0.5000  0.0000  1.0
  Br  Br3  4  0.2524  0.2225  0.8817  1.0
  Br  Br4  2  0.1203  0.5000  0.3404  1.0
  Br  Br5  2  0.2162  0.0000  0.2994  1.0
]