data_[Ac32Pm8Y16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Pm  1.1300  1.8500  1.1100
  Y  1.2200  1.8000  1.0400
]
_symmetry_space_group_name_H-M [Fdd2]
_cell_length_a [12.9073]
_cell_length_b [25.5979]
_cell_length_c [6.7654]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [43]
_chemical_formula_structural [Ac4PmY2]
_chemical_formula_sum '[Ac32 Pm8 Y16]'
_cell_volume [2235.2978]
_cell_formula_units_Z [8]
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  16  0.0485  0.0708  0.0154  1
  Ac  Ac1  16  0.0631  0.1457  0.5356  1
  Pm  Pm2  8  0.0000  0.0000  0.5168  1
  Y  Y3  16  0.0239  0.2162  0.0574  1
]