data_[Na4Ge4Cl4]
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 [Amm2]
_cell_length_a [4.0189]
_cell_length_b [11.2602]
_cell_length_c [7.0331]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [NaGeCl]
_chemical_formula_sum '[Na4 Ge4 Cl4]'
_cell_volume [318.2774]
_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  0.2269  0.4020  1
  Ge  Ge1  2  0.0000  0.0000  0.1277  1
  Ge  Ge2  2  0.5000  0.0000  0.9420  1
  Cl  Cl3  4  0.5000  0.1624  0.6714  1
]