data_[Na16In2Sb4]
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
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [5.2048]
_cell_length_b [9.0868]
_cell_length_c [13.6570]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Na8InSb2]
_chemical_formula_sum '[Na16 In2 Sb4]'
_cell_volume [645.9054]
_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  8  0.0000  0.2082  0.3402  1
  Na  Na1  4  0.0000  0.0000  0.1481  1
  Na  Na2  4  0.0000  0.3174  0.0000  1
  In  In3  2  0.0000  0.5000  0.5000  1
  Sb  Sb4  4  0.0000  0.5000  0.2063  1
]