data_[Rb2Be2Ga2Br8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Be  1.5700  1.0500  0.5900
  Ga  1.8100  1.3000  0.7600
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.8991]
_cell_length_b [7.3917]
_cell_length_c [9.5421]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.8813]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbBeGaBr4]
_chemical_formula_sum '[Rb2 Be2 Ga2 Br8]'
_cell_volume [457.6052]
_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  0.2963  0.2500  0.0814  1.0
  Be  Be1  2  0.2000  0.7500  0.3018  1.0
  Ga  Ga2  2  0.2235  0.2500  0.5368  1.0
  Br  Br3  4  0.0014  0.5096  0.2495  1.0
  Br  Br4  2  0.3868  0.7500  0.5406  1.0
  Br  Br5  2  0.4045  0.7500  0.1654  1.0
]