data_[Ac4Ce2Sn10]
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
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [I4mm]
_cell_length_a [7.5465]
_cell_length_b [7.5465]
_cell_length_c [8.5985]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [107]
_chemical_formula_structural [Ac2CeSn5]
_chemical_formula_sum '[Ac4 Ce2 Sn10]'
_cell_volume [489.6774]
_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  4  0.0000  0.5000  0.2611  1
  Ce  Ce1  2  0.0000  0.0000  0.8664  1
  Sn  Sn2  8  0.2104  0.2104  0.5194  1
  Sn  Sn3  2  0.0000  0.0000  0.2565  1
]