data_[Sm8Co4Si8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Co  1.8800  1.3500  0.7683
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.7371]
_cell_length_b [4.0824]
_cell_length_c [10.6265]
_cell_angle_alpha [90.0000]
_cell_angle_beta [117.5393]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sm2CoSi2]
_chemical_formula_sum '[Sm8 Co4 Si8]'
_cell_volume [413.0203]
_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  0.1018  0.0000  0.8956  1
  Sm  Sm1  4  0.2076  0.5000  0.6443  1
  Co  Co2  4  0.0557  0.5000  0.3104  1
  Si  Si3  4  0.0406  0.0000  0.4114  1
  Si  Si4  4  0.1090  0.5000  0.1169  1
]