data_[Na2In2Pb2]
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
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [P6_3mc]
_cell_length_a [5.0772]
_cell_length_b [5.0772]
_cell_length_c [8.1275]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [186]
_chemical_formula_structural [NaInPb]
_chemical_formula_sum '[Na2 In2 Pb2]'
_cell_volume [181.4387]
_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  0.0000  0.2521  1.0
  In  In1  2  0.3333  0.6667  0.9420  1.0
  Pb  Pb2  2  0.3333  0.6667  0.5559  1.0
]