data_[Nd20Pb8N4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  Pb  2.3300  1.8000  1.1225
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.7025]
_cell_length_b [17.2902]
_cell_length_c [13.4623]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Nd5Pb2N]
_chemical_formula_sum '[Nd20 Pb8 N4]'
_cell_volume [1094.5886]
_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
[
  Nd  Nd0  8  0.0000  0.0974  0.1114  1
  Nd  Nd1  8  0.0000  0.2958  0.0677  1
  Nd  Nd2  4  0.0000  0.2747  0.7500  1
  Pb  Pb3  8  0.0000  0.0894  0.6379  1
  N  N4  4  0.0000  0.1784  0.2500  1
]