data_[Sm4Sn4Ru8C4]
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
  Ru  2.2000  1.3000  0.6610
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.0863]
_cell_length_b [11.6166]
_cell_length_c [7.6036]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [SmSnRu2C]
_chemical_formula_sum '[Sm4 Sn4 Ru8 C4]'
_cell_volume [360.9349]
_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
[
  Sm  Sm0  4  0.0000  0.4557  0.7500  1.0
  Sn  Sn1  4  0.0000  0.2664  0.2500  1.0
  Ru  Ru2  8  0.0000  0.1542  0.5577  1.0
  C  C3  4  0.0000  0.0000  0.0000  1.0
]