data_[Na6In8Ge8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  In  1.7800  1.5500  0.9400
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.7663]
_cell_length_b [7.5406]
_cell_length_c [15.9100]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Na3(InGe)4]
_chemical_formula_sum '[Na6 In8 Ge8]'
_cell_volume [571.8178]
_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
[
  Na  Na0  4  0.0000  0.0000  0.1105  1.0
  Na  Na1  2  0.0000  0.5000  0.0000  1.0
  In  In2  8  0.0000  0.2120  0.6667  1.0
  Ge  Ge3  4  0.0000  0.3347  0.5000  1.0
  Ge  Ge4  4  0.0000  0.5000  0.2152  1.0
]