data_[Ac2Pr8Sn4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Pr  1.1300  1.8500  1.0600
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [4.6408]
_cell_length_b [4.6408]
_cell_length_c [25.9735]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Ac(Pr2Sn)2]
_chemical_formula_sum '[Ac2 Pr8 Sn4]'
_cell_volume [559.3869]
_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  0.0000  1
  Pr  Pr1  4  0.0000  0.0000  0.1359  1
  Pr  Pr2  4  0.0000  0.5000  0.2500  1
  Sn  Sn3  4  0.0000  0.0000  0.3478  1
]