data_[Ce4Nd8Si8]
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
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [6.0193]
_cell_length_b [17.3205]
_cell_length_c [5.1153]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Ce(NdSi)2]
_chemical_formula_sum '[Ce4 Nd8 Si8]'
_cell_volume [533.3042]
_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
[
  Ce  Ce0  4  0.0000  0.0000  0.0000  1
  Nd  Nd1  4  0.0000  0.2188  0.2500  1
  Nd  Nd2  4  0.0000  0.4049  0.7500  1
  Si  Si3  8  0.2062  0.1415  0.7500  1
]