data_[Na9In21Ag6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  In  1.7800  1.5500  0.9400
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [6.2906]
_cell_length_b [6.2906]
_cell_length_c [28.6051]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Na3In7Ag2]
_chemical_formula_sum '[Na9 In21 Ag6]'
_cell_volume [980.3113]
_cell_formula_units_Z [3]
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  6  0.0000  0.0000  0.1427  1.0
  Na  Na1  3  0.0000  0.0000  0.0000  1.0
  In  In2  18  0.0094  0.5047  0.9193  1.0
  In  In3  3  -0.0000  -0.0000  0.5000  1.0
  Ag  Ag4  6  0.0000  0.0000  0.3359  1.0
]