data_[Ac4Pm8Nd20]
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
  Nd  1.1400  1.8500  1.2765
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [9.8914]
_cell_length_b [9.8917]
_cell_length_c [12.0515]
_cell_angle_alpha [90.0272]
_cell_angle_beta [90.0997]
_cell_angle_gamma [98.2002]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [AcPm2Nd5]
_chemical_formula_sum '[Ac4 Pm8 Nd20]'
_cell_volume [1167.0950]
_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  2  0.2908  0.0407  0.1254  1
  Ac  Ac1  2  0.4137  0.4151  0.6276  1
  Pm  Pm2  2  0.0392  0.2923  0.1245  1
  Pm  Pm3  2  0.1644  0.6676  0.6249  1
  Pm  Pm4  2  0.2042  0.4610  0.8777  1
  Pm  Pm5  2  0.3297  0.8334  0.3776  1
  Nd  Nd6  2  0.0396  0.2906  0.6256  1
  Nd  Nd7  2  0.0813  0.0865  0.3771  1
  Nd  Nd8  2  0.0837  0.0868  0.8726  1
  Nd  Nd9  2  0.1667  0.6634  0.1254  1
  Nd  Nd10  2  0.2029  0.4588  0.3735  1
  Nd  Nd11  2  0.2912  0.0379  0.6253  1
  Nd  Nd12  2  0.3291  0.8300  0.8730  1
  Nd  Nd13  2  0.4152  0.4165  0.1225  1
  Nd  Nd14  2  0.4587  0.2095  0.8758  1
  Nd  Nd15  2  0.4592  0.2055  0.3762  1
]