data_[Rb2Ge2I8]
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
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.4840]
_cell_length_b [12.5132]
_cell_length_c [7.5310]
_cell_angle_alpha [90.0000]
_cell_angle_beta [99.9327]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbGeI4]
_chemical_formula_sum '[Rb2 Ge2 I8]'
_cell_volume [694.7062]
_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  0.3056  0.2500  0.3265  1
  Ge  Ge1  2  0.1911  0.7500  0.1725  1
  I  I2  4  0.3639  0.5788  0.3518  1
  I  I3  2  0.1680  0.2500  0.8161  1
  I  I4  2  0.2060  0.7500  0.8156  1
]