data_[Yb2Si4Ru4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Yb  1.1000  1.7500  1.0840
  Si  1.9000  1.1000  0.5400
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [4.2223]
_cell_length_b [4.2223]
_cell_length_c [9.4318]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Yb(SiRu)2]
_chemical_formula_sum '[Yb2 Si4 Ru4]'
_cell_volume [168.1469]
_cell_formula_units_Z [2]
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  2  0.0000  0.0000  0.0000  1.0
  Si  Si1  4  0.0000  0.0000  0.3656  1.0
  Ru  Ru2  4  0.0000  0.5000  0.2500  1.0
]