data_[Rb1Tb1Ge2Br8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Tb  1.1000  1.7500  0.9815
  Ge  2.0100  1.2500  0.7700
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [6.7196]
_cell_length_b [7.3699]
_cell_length_c [9.8667]
_cell_angle_alpha [92.5615]
_cell_angle_beta [91.4808]
_cell_angle_gamma [95.9494]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [RbTb(GeBr4)2]
_chemical_formula_sum '[Rb1 Tb1 Ge2 Br8]'
_cell_volume [485.2815]
_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  1  0.0000  0.0000  0.5000  1.0
  Tb  Tb1  1  0.0000  0.0000  0.0000  1.0
  Ge  Ge2  2  0.4441  0.5583  0.7891  1.0
  Br  Br3  2  0.2240  0.1826  0.8038  1.0
  Br  Br4  2  0.2246  0.6878  0.9761  1.0
  Br  Br5  2  0.2623  0.6267  0.5830  1.0
  Br  Br6  2  0.2725  0.1354  0.2153  1.0
]