data_[Sm36Bi18C3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Bi  2.0200  1.6000  1.0350
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [13.2834]
_cell_length_b [13.2834]
_cell_length_c [12.4042]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Sm12Bi6C]
_chemical_formula_sum '[Sm36 Bi18 C3]'
_cell_volume [1895.4824]
_cell_formula_units_Z [3]
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
[
  Sm  Sm0  18  0.0338  0.8423  0.3872  1
  Sm  Sm1  18  0.0573  0.8803  0.8810  1
  Bi  Bi2  18  0.0406  0.6128  0.3116  1
  C  C3  3  0.0000  0.0000  0.0000  1
]