data_[Na4Y4Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Y  1.2200  1.8000  1.0400
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.3454]
_cell_length_b [3.5563]
_cell_length_c [9.3709]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.0027]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [NaYPb]
_chemical_formula_sum '[Na4 Y4 Pb4]'
_cell_volume [355.2819]
_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  4  0.1403  0.5000  0.5382  1
  Y  Y1  4  0.1663  0.5000  0.1034  1
  Pb  Pb2  4  0.0352  0.0000  0.7790  1
]