data_[Yb8Cu8Si4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Yb  1.1000  1.7500  1.0840
  Cu  1.9000  1.3500  0.8200
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [9.1044]
_cell_length_b [5.3565]
_cell_length_c [7.6714]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.4765]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Yb2Cu2Si]
_chemical_formula_sum '[Yb8 Cu8 Si4]'
_cell_volume [363.8193]
_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  8  0.1511  0.1362  0.6518  1.0
  Cu  Cu1  8  0.1295  0.3719  0.9987  1.0
  Si  Si2  4  0.0000  0.3541  0.2500  1.0
]