data_[Na3Ag4Pb2]
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
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [5.0731]
_cell_length_b [5.0731]
_cell_length_c [9.2530]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [Na3(Ag2Pb)2]
_chemical_formula_sum '[Na3 Ag4 Pb2]'
_cell_volume [206.2321]
_cell_formula_units_Z [1]
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  0.3333  0.6667  0.4289  1.0
  Na  Na1  1  0.0000  0.0000  0.0000  1.0
  Ag  Ag2  2  0.0000  0.0000  0.3416  1.0
  Ag  Ag3  2  0.3333  0.6667  0.0999  1.0
  Pb  Pb4  2  0.3333  0.6667  0.7809  1.0
]