data_[Rb4Ge2Br8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ge  2.0100  1.2500  0.7700
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.9500]
_cell_length_b [7.3363]
_cell_length_c [10.0734]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.9654]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Rb2GeBr4]
_chemical_formula_sum '[Rb4 Ge2 Br8]'
_cell_volume [555.6216]
_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  0.2365  0.7500  0.4337  1.0
  Rb  Rb1  2  0.3979  0.2500  0.0805  1.0
  Ge  Ge2  2  0.0340  0.7500  0.8419  1.0
  Br  Br3  4  0.1783  0.5009  0.7464  1.0
  Br  Br4  2  0.2969  0.2500  0.3910  1.0
  Br  Br5  2  0.3020  0.7500  0.1030  1.0
]