data_[Ac8Pm8Au20]
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
  Au  2.5400  1.3500  1.0700
]
_symmetry_space_group_name_H-M [Cmce]
_cell_length_a [15.8646]
_cell_length_b [8.0939]
_cell_length_c [8.1099]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [64]
_chemical_formula_structural [Ac2Pm2Au5]
_chemical_formula_sum '[Ac8 Pm8 Au20]'
_cell_volume [1041.3634]
_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  8  0.1971  0.0000  0.0000  1
  Pm  Pm1  8  0.0000  0.1607  0.3397  1
  Au  Au2  16  0.1276  0.1414  0.6396  1
  Au  Au3  4  0.0000  0.0000  0.0000  1
]