data_[Sm4Al4Fe4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Al  1.6100  1.2500  0.6750
  Fe  1.8300  1.4000  0.8525
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.9649]
_cell_length_b [4.1147]
_cell_length_c [5.1279]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.3212]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [SmAlFe]
_chemical_formula_sum '[Sm4 Al4 Fe4]'
_cell_volume [244.6145]
_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  0.1230  0.0000  0.3189  1.0
  Al  Al1  4  0.0867  0.5000  0.7982  1.0
  Fe  Fe2  4  0.2133  0.0000  0.8898  1.0
]