data_[Na8Ge4H4Br20]
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
  H  2.2000  0.2500  0.0000
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [4.1390]
_cell_length_b [19.7086]
_cell_length_c [12.6005]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Na2GeHBr5]
_chemical_formula_sum '[Na8 Ge4 H4 Br20]'
_cell_volume [1027.8643]
_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  0.1489  0.3557  1
  Na  Na1  4  0.0000  0.1538  0.6839  1
  Ge  Ge2  4  0.0000  0.1777  0.0213  1
  H  H3  4  0.0000  0.4807  0.3894  1
  Br  Br4  4  0.0000  0.0524  0.0290  1
  Br  Br5  4  0.0000  0.3083  0.6798  1
  Br  Br6  4  0.0000  0.3117  0.3609  1
  Br  Br7  4  0.0000  0.3509  0.0213  1
  Br  Br8  4  0.0000  0.4914  0.7827  1
]