data_[Rb8Na4Ge4I20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Na  0.9300  1.8000  1.1600
  Ge  2.0100  1.2500  0.7700
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [4.6935]
_cell_length_b [21.2476]
_cell_length_c [16.2267]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Rb2NaGeI5]
_chemical_formula_sum '[Rb8 Na4 Ge4 I20]'
_cell_volume [1618.2029]
_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  0.0846  0.6544  1
  Rb  Rb1  4  0.0000  0.1324  0.2944  1
  Na  Na2  4  0.0000  0.4352  0.4484  1
  Ge  Ge3  4  0.0000  0.2283  0.0275  1
  I  I4  4  0.0000  0.0808  0.0652  1
  I  I5  4  0.0000  0.2593  0.6548  1
  I  I6  4  0.0000  0.2906  0.4053  1
  I  I7  4  0.0000  0.3628  0.9898  1
  I  I8  4  0.0000  0.4990  0.2841  1
]