data_[Ce2Pr8Si8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Pr  1.1300  1.8500  1.0600
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [P4_2/n]
_cell_length_a [9.1162]
_cell_length_b [9.1162]
_cell_length_c [6.0481]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [86]
_chemical_formula_structural [Ce(PrSi)4]
_chemical_formula_sum '[Ce2 Pr8 Si8]'
_cell_volume [502.6280]
_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  2  0.0000  0.0000  0.0000  1
  Pr  Pr1  8  0.0757  0.2987  0.6352  1
  Si  Si2  8  0.1341  0.2602  0.1463  1
]