data_[Nd18S12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [R-3c]
_cell_length_a [7.0038]
_cell_length_b [7.0038]
_cell_length_c [19.5691]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [167]
_chemical_formula_structural [Nd3S2]
_chemical_formula_sum '[Nd18 S12]'
_cell_volume [831.3317]
_cell_formula_units_Z [6]
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  18  0.0000  0.3304  0.2500  1.0
  S  S1  12  0.0000  0.0000  0.1630  1.0
]