data_[Sm8Si4Ir8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Si  1.9000  1.1000  0.5400
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [9.8363]
_cell_length_b [5.6586]
_cell_length_c [7.6205]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.1695]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Sm2SiIr2]
_chemical_formula_sum '[Sm8 Si4 Ir8]'
_cell_volume [414.6230]
_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  8  0.1493  0.1342  0.1487  1.0
  Si  Si1  4  0.0000  0.3887  0.7500  1.0
  Ir  Ir2  8  0.1291  0.3678  0.5037  1.0
]