data_[Cs8Na4Mg4Bi8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Na  0.9300  1.8000  1.1600
  Mg  1.3100  1.5000  0.8600
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [Ibam]
_cell_length_a [7.6778]
_cell_length_b [17.8876]
_cell_length_c [7.4702]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [Cs2NaMgBi2]
_chemical_formula_sum '[Cs8 Na4 Mg4 Bi8]'
_cell_volume [1025.9450]
_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
[
  Cs  Cs0  8  0.2370  0.1701  0.5000  1.0
  Na  Na1  4  0.0000  0.0000  0.2500  1.0
  Mg  Mg2  4  0.0000  0.5000  0.2500  1.0
  Bi  Bi3  8  0.2220  0.5930  0.0000  1.0
]