data_[Ac12Pm4Nd4]
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 [Pnna]
_cell_length_a [6.6594]
_cell_length_b [9.4201]
_cell_length_c [13.3537]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [52]
_chemical_formula_structural [Ac3PmNd]
_chemical_formula_sum '[Ac12 Pm4 Nd4]'
_cell_volume [837.7012]
_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  0.0832  0.1721  0.9295  1
  Ac  Ac1  4  0.1392  0.2500  0.2500  1
  Pm  Pm2  4  0.2500  0.0000  0.4421  1
  Nd  Nd3  4  0.2500  0.0000  0.6957  1
]