data_[Cs2Na2Ge2I8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  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 [P2_1/m]
_cell_length_a [6.3636]
_cell_length_b [8.5627]
_cell_length_c [12.4078]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.4821]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [CsNaGeI4]
_chemical_formula_sum '[Cs2 Na2 Ge2 I8]'
_cell_volume [660.1198]
_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
[
  Cs  Cs0  2  0.3101  0.2500  0.1200  1.0
  Na  Na1  2  0.0974  0.2500  0.4898  1.0
  Ge  Ge2  2  0.2684  0.7500  0.3008  1.0
  I  I3  4  0.0371  0.0176  0.7028  1.0
  I  I4  2  0.2651  0.7500  0.0605  1.0
  I  I5  2  0.4321  0.7500  0.5521  1.0
]