data_[Yb16Si24Ni8]
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
  Ni  1.9100  1.3500  0.7400
]
_symmetry_space_group_name_H-M [Fmmm]
_cell_length_a [8.0221]
_cell_length_b [8.4158]
_cell_length_c [13.8090]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [69]
_chemical_formula_structural [Yb2Si3Ni]
_chemical_formula_sum '[Yb16 Si24 Ni8]'
_cell_volume [932.2714]
_cell_formula_units_Z [8]
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  0.0000  0.2456  0.5000  1.0
  Yb  Yb1  8  0.2500  0.2500  0.2500  1.0
  Si  Si2  16  0.2446  0.0000  0.4145  1.0
  Si  Si3  8  0.0000  0.0000  0.1699  1.0
  Ni  Ni4  8  0.0000  0.0000  0.3334  1.0
]