data_[Ac4La12Pm20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  La  1.1000  1.9500  1.1720
  Pm  1.1300  1.8500  1.1100
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.5452]
_cell_length_b [8.3381]
_cell_length_c [14.4097]
_cell_angle_alpha [90.0000]
_cell_angle_beta [94.8395]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [AcLa3Pm5]
_chemical_formula_sum '[Ac4 La12 Pm20]'
_cell_volume [1382.2048]
_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  4  0.0355  0.0000  0.2501  1
  La  La1  4  0.1398  0.5000  0.5006  1
  La  La2  4  0.2334  0.0000  0.8853  1
  La  La3  2  0.0000  0.0000  0.0000  1
  La  La4  2  0.0000  0.0000  0.5000  1
  Pm  Pm5  8  0.2211  0.2181  0.6684  1
  Pm  Pm6  4  0.0000  0.3235  0.0000  1
  Pm  Pm7  4  0.0120  0.5000  0.2554  1
  Pm  Pm8  4  0.2363  0.5000  0.8835  1
]