data_[Na1Ge2Bi1Br8]
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
  Bi  2.0200  1.6000  1.0350
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [6.7014]
_cell_length_b [7.0876]
_cell_length_c [8.6163]
_cell_angle_alpha [88.5142]
_cell_angle_beta [89.0158]
_cell_angle_gamma [87.7508]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [NaGe2BiBr8]
_chemical_formula_sum '[Na1 Ge2 Bi1 Br8]'
_cell_volume [408.7399]
_cell_formula_units_Z [1]
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  1  0.0000  0.0000  0.5000  1.0
  Ge  Ge1  2  0.4709  0.4718  0.7407  1.0
  Bi  Bi2  1  0.0000  0.0000  0.0000  1.0
  Br  Br3  2  0.2289  0.8190  0.7548  1.0
  Br  Br4  2  0.2521  0.3276  0.9779  1.0
  Br  Br5  2  0.2536  0.8463  0.2451  1.0
  Br  Br6  2  0.2786  0.3454  0.5189  1.0
]