data_[Sm4B4Ru8C4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  B  2.0400  0.8500  0.4100
  Ru  2.2000  1.3000  0.6610
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.6186]
_cell_length_b [10.7988]
_cell_length_c [7.1275]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [SmBRu2C]
_chemical_formula_sum '[Sm4 B4 Ru8 C4]'
_cell_volume [278.5162]
_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  0.4492  0.7500  1.0
  B  B1  4  0.0000  0.2779  0.2500  1.0
  Ru  Ru2  8  0.0000  0.1709  0.5669  1.0
  C  C3  4  0.0000  0.0000  0.0000  1.0
]