data_[Rb8Cu4Ge4Br20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Cu  1.9000  1.3500  0.8200
  Ge  2.0100  1.2500  0.7700
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [4.2656]
_cell_length_b [20.2853]
_cell_length_c [14.0015]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Rb2CuGeBr5]
_chemical_formula_sum '[Rb8 Cu4 Ge4 Br20]'
_cell_volume [1211.5417]
_cell_formula_units_Z [4]
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  0.1173  0.6984  1.0
  Rb  Rb1  4  0.0000  0.1257  0.3099  1.0
  Cu  Cu2  4  0.0000  0.4561  0.4520  1.0
  Ge  Ge3  4  0.0000  0.2100  0.0115  1.0
  Br  Br4  4  0.0000  0.0573  0.0327  1.0
  Br  Br5  4  0.0000  0.2889  0.6487  1.0
  Br  Br6  4  0.0000  0.2976  0.3731  1.0
  Br  Br7  4  0.0000  0.3409  0.0059  1.0
  Br  Br8  4  0.0000  0.4963  0.2917  1.0
]