data_[Yb8Fe4Si8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Yb  1.1000  1.7500  1.0840
  Fe  1.8300  1.4000  0.8525
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.7010]
_cell_length_b [4.2090]
_cell_length_c [10.1981]
_cell_angle_alpha [90.0000]
_cell_angle_beta [120.9310]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Yb2FeSi2]
_chemical_formula_sum '[Yb8 Fe4 Si8]'
_cell_volume [394.0036]
_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
[
  Yb  Yb0  4  0.0059  0.0000  0.6707  1.0
  Yb  Yb1  4  0.1901  0.0000  0.1039  1.0
  Fe  Fe2  4  0.2245  0.5000  0.3815  1.0
  Si  Si3  4  0.0089  0.5000  0.1282  1.0
  Si  Si4  4  0.1649  0.5000  0.5668  1.0
]