data_[Ce4Cu6Ag2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Cu  1.9000  1.3500  0.8200
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [3.9291]
_cell_length_b [3.9784]
_cell_length_c [16.2364]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [Ce2Cu3Ag]
_chemical_formula_sum '[Ce4 Cu6 Ag2]'
_cell_volume [253.7991]
_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  0.1308  1
  Ce  Ce1  2  0.0000  0.5000  0.8632  1
  Cu  Cu2  2  0.0000  0.0000  0.5545  1
  Cu  Cu3  2  0.0000  0.0000  0.7051  1
  Cu  Cu4  2  0.0000  0.5000  0.2916  1
  Ag  Ag5  2  0.0000  0.5000  0.4548  1
]