data_[Na4Zn2Bi5]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Zn  1.6500  1.3500  0.8800
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [8.3046]
_cell_length_b [3.4093]
_cell_length_c [10.8518]
_cell_angle_alpha [90.0000]
_cell_angle_beta [91.2056]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Na4Zn2Bi5]
_chemical_formula_sum '[Na4 Zn2 Bi5]'
_cell_volume [307.1767]
_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  2  0.1574  0.5000  0.8941  1.0
  Na  Na1  2  0.2867  0.5000  0.4386  1.0
  Zn  Zn2  2  0.0521  0.0000  0.6141  1.0
  Bi  Bi3  2  0.1787  0.0000  0.1865  1.0
  Bi  Bi4  2  0.3892  0.0000  0.6951  1.0
  Bi  Bi5  1  0.5000  0.0000  0.0000  1.0
]