data_[Ce16Ag4C8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Ag  1.9300  1.6000  1.0867
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.6893]
_cell_length_b [12.2785]
_cell_length_c [13.4001]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Ce4AgC2]
_chemical_formula_sum '[Ce16 Ag4 C8]'
_cell_volume [607.0067]
_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  8  0.0000  0.2291  0.6015  1
  Ce  Ce1  4  0.0000  0.0896  0.2500  1
  Ce  Ce2  4  0.0000  0.5000  0.0000  1
  Ag  Ag3  4  0.0000  0.3918  0.2500  1
  C  C4  8  0.0000  0.1351  0.0642  1
]