data_[Rb1Tb1Ge2I8]
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
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [7.3509]
_cell_length_b [7.8553]
_cell_length_c [10.0073]
_cell_angle_alpha [82.6152]
_cell_angle_beta [84.3827]
_cell_angle_gamma [83.6865]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [RbTb(GeI4)2]
_chemical_formula_sum '[Rb1 Tb1 Ge2 I8]'
_cell_volume [567.5295]
_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  0.4461  0.4590  0.7421  1.0
  I  I3  2  0.2233  0.3173  0.9671  1.0
  I  I4  2  0.2533  0.8350  0.2163  1.0
  I  I5  2  0.2561  0.8326  0.7856  1.0
  I  I6  2  0.2769  0.3682  0.5365  1.0
]