data_[Na2Ag2Bi6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ag  1.9300  1.6000  1.0867
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [7.3364]
_cell_length_b [6.5340]
_cell_length_c [6.6027]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [NaAgBi3]
_chemical_formula_sum '[Na2 Ag2 Bi6]'
_cell_volume [316.5088]
_cell_formula_units_Z [2]
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  0.0000  0.7658  0.9665  1.0
  Ag  Ag1  2  0.0000  0.4243  0.6505  1.0
  Bi  Bi2  4  0.2442  0.7251  0.4626  1.0
  Bi  Bi3  2  0.0000  0.1091  0.3376  1.0
]