data_[Sm8Si8Os4]
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
  Os  2.2000  1.3000  0.6730
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.0059]
_cell_length_b [4.2659]
_cell_length_c [10.2705]
_cell_angle_alpha [90.0000]
_cell_angle_beta [119.8210]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sm2Si2Os]
_chemical_formula_sum '[Sm8 Si8 Os4]'
_cell_volume [418.3462]
_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  0.0101  0.0000  0.6791  1.0
  Sm  Sm1  4  0.1856  0.0000  0.1092  1.0
  Si  Si2  4  0.0022  0.5000  0.1268  1.0
  Si  Si3  4  0.1519  0.5000  0.5624  1.0
  Os  Os4  4  0.2270  0.5000  0.3754  1.0
]