data_[Cs2Be2Tl2Br8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Be  1.5700  1.0500  0.5900
  Tl  1.6200  1.9000  1.3325
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.9331]
_cell_length_b [7.5295]
_cell_length_c [10.1200]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.9805]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [CsBeTlBr4]
_chemical_formula_sum '[Cs2 Be2 Tl2 Br8]'
_cell_volume [499.5735]
_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
[
  Cs  Cs0  2  0.2305  0.2500  0.8992  1.0
  Be  Be1  2  0.1149  0.2500  0.2889  1.0
  Tl  Tl2  2  0.3317  0.7500  0.5310  1.0
  Br  Br3  4  0.2576  0.0120  0.2340  1.0
  Br  Br4  2  0.1759  0.2500  0.5178  1.0
  Br  Br5  2  0.2153  0.7500  0.8263  1.0
]