data_[Ac2Ce2Sb2O4]
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
  Sb  2.0500  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I4mm]
_cell_length_a [4.0802]
_cell_length_b [4.0802]
_cell_length_c [13.5332]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [107]
_chemical_formula_structural [AcCeSbO2]
_chemical_formula_sum '[Ac2 Ce2 Sb2 O4]'
_cell_volume [225.2971]
_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
[
  Ac  Ac0  2  0.0000  0.0000  0.8467  1
  Ce  Ce1  2  0.0000  0.0000  0.1595  1
  Sb  Sb2  2  0.0000  0.0000  0.5095  1
  O  O3  4  0.0000  0.5000  0.2422  1
]