data_[La2Yb2Si8Ni4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  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 [Amm2]
_cell_length_a [4.0215]
_cell_length_b [4.1365]
_cell_length_c [16.6879]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [LaYb(Si2Ni)2]
_chemical_formula_sum '[La2 Yb2 Si8 Ni4]'
_cell_volume [277.6026]
_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
[
  La  La0  2  0.0000  0.0000  0.3920  1
  Yb  Yb1  2  0.5000  0.0000  0.6083  1
  Si  Si2  2  0.0000  0.0000  0.0426  1
  Si  Si3  2  0.0000  0.0000  0.7476  1
  Si  Si4  2  0.5000  0.0000  0.2481  1
  Si  Si5  2  0.5000  0.0000  0.9617  1
  Ni  Ni6  2  0.0000  0.0000  0.1791  1
  Ni  Ni7  2  0.5000  0.0000  0.8206  1
]