data_[Ac4Ce4Ag12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Ce  1.1200  1.8500  1.0800
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.8918]
_cell_length_b [28.7143]
_cell_length_c [4.8446]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [AcCeAg3]
_chemical_formula_sum '[Ac4 Ce4 Ag12]'
_cell_volume [541.3819]
_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
[
  Ac  Ac0  4  0.0000  0.0747  0.7500  1
  Ce  Ce1  4  0.0000  0.2096  0.2500  1
  Ag  Ag2  4  0.0000  0.3225  0.2500  1
  Ag  Ag3  4  0.0000  0.3774  0.7500  1
  Ag  Ag4  4  0.0000  0.4755  0.7500  1
]