data_[Ce4Nd2Cu4Si8Ru4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Nd  1.1400  1.8500  1.2765
  Cu  1.9000  1.3500  0.8200
  Si  1.9000  1.1000  0.5400
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.1907]
_cell_length_b [4.2352]
_cell_length_c [23.9539]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Ce2NdCu2(Si2Ru)2]
_chemical_formula_sum '[Ce4 Nd2 Cu4 Si8 Ru4]'
_cell_volume [425.1383]
_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
[
  Ce  Ce0  4  0.0000  0.5000  0.3518  1
  Nd  Nd1  2  0.0000  0.0000  0.0000  1
  Si  Si2  4  0.0000  0.0000  0.4501  1
  Cu  Cu3  4  0.0000  0.5000  0.0975  1
  Si  Si4  4  0.0000  0.5000  0.2014  1
  Ru  Ru5  4  0.0000  0.0000  0.2488  1
]