data_[Sm9Sn3C2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Sn  1.9600  1.4500  0.8300
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [7.0729]
_cell_length_b [7.0729]
_cell_length_c [8.6738]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [Sm9Sn3C2]
_chemical_formula_sum '[Sm9 Sn3 C2]'
_cell_volume [375.7793]
_cell_formula_units_Z [1]
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  6  0.1693  0.3385  0.6688  1
  Sm  Sm1  3  0.0000  0.5000  0.0000  1
  Sn  Sn2  2  0.3333  0.6667  0.3326  1
  Sn  Sn3  1  0.0000  0.0000  0.0000  1
  C  C4  2  0.3333  0.6667  0.8259  1
]