data_[Na12In20Sn8]
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
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Ibam]
_cell_length_a [13.0765]
_cell_length_b [13.6487]
_cell_length_c [6.9048]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [Na3In5Sn2]
_chemical_formula_sum '[Na12 In20 Sn8]'
_cell_volume [1232.3541]
_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
[
  Na  Na0  8  0.2476  0.3752  0.0000  1.0
  Na  Na1  4  0.0000  0.0000  0.2500  1.0
  In  In2  8  0.0000  0.2444  0.2500  1.0
  In  In3  8  0.1359  0.3692  0.5000  1.0
  In  In4  4  0.0000  0.5000  0.2500  1.0
  Sn  Sn5  8  0.1448  0.1282  0.0000  1.0
]