data_[Ce8Si8Ag4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Si  1.9000  1.1000  0.5400
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.8936]
_cell_length_b [4.3653]
_cell_length_c [10.4266]
_cell_angle_alpha [90.0000]
_cell_angle_beta [117.7629]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ce2Si2Ag]
_chemical_formula_sum '[Ce8 Si8 Ag4]'
_cell_volume [438.7496]
_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  0.0008  0.0000  0.3208  1.0
  Ce  Ce1  4  0.1894  0.0000  0.1024  1.0
  Si  Si2  4  0.0202  0.5000  0.8929  1.0
  Si  Si3  4  0.1260  0.5000  0.5662  1.0
  Ag  Ag4  4  0.2228  0.5000  0.3602  1.0
]