data_[Na4Ge8Cl20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ge  2.0100  1.2500  0.7700
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Pbcn]
_cell_length_a [9.0173]
_cell_length_b [14.0123]
_cell_length_c [8.1506]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [60]
_chemical_formula_structural [NaGe2Cl5]
_chemical_formula_sum '[Na4 Ge8 Cl20]'
_cell_volume [1029.8567]
_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
[
  Na  Na0  4  0.0000  0.0712  0.2500  1
  Ge  Ge1  8  0.1235  0.3441  0.0240  1
  Cl  Cl2  8  0.1594  0.0647  0.5474  1
  Cl  Cl3  8  0.2112  0.2178  0.1836  1
  Cl  Cl4  4  0.0000  0.4365  0.2500  1
]