data_[Sm8Fe6C10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Fe  1.8300  1.4000  0.8525
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.3658]
_cell_length_b [3.7956]
_cell_length_c [9.5942]
_cell_angle_alpha [90.0000]
_cell_angle_beta [113.2438]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sm4Fe3C5]
_chemical_formula_sum '[Sm8 Fe6 C10]'
_cell_volume [380.3045]
_cell_formula_units_Z [2]
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  4  0.1039  0.0000  0.8974  1.0
  Sm  Sm1  4  0.2451  0.5000  0.6665  1.0
  Fe  Fe2  4  0.0420  0.5000  0.3349  1.0
  Fe  Fe3  2  0.0000  0.0000  0.5000  1.0
  C  C4  4  0.1019  0.5000  0.1842  1.0
  C  C5  4  0.1843  0.5000  0.1129  1.0
  C  C6  2  0.0000  0.5000  0.5000  1.0
]