data_[Nd20Sn8Bi8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  Sn  1.9600  1.4500  0.8300
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [Cmce]
_cell_length_a [16.1502]
_cell_length_b [8.4689]
_cell_length_c [8.4984]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [64]
_chemical_formula_structural [Nd5(SnBi)2]
_chemical_formula_sum '[Nd20 Sn8 Bi8]'
_cell_volume [1162.3761]
_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  16  0.1331  0.1696  0.6668  1.0
  Nd  Nd1  4  0.0000  0.0000  0.0000  1.0
  Sn  Sn2  8  0.0000  0.1311  0.3690  1.0
  Bi  Bi3  8  0.2047  0.0000  0.0000  1.0
]