data_[Ac2La4Pm4Y2]
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
  Y  1.2200  1.8000  1.0400
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [5.6860]
_cell_length_b [10.7308]
_cell_length_c [7.1720]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [AcLa2Pm2Y]
_chemical_formula_sum '[Ac2 La4 Pm4 Y2]'
_cell_volume [437.6032]
_cell_formula_units_Z [2]
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
[
  La  La0  2  0.0000  0.1957  0.8228  1
  La  La1  2  0.5000  0.0222  0.5644  1
  Ac  Ac2  2  0.5000  0.3111  0.1881  1
  Pm  Pm3  2  0.0000  0.1255  0.3183  1
  Pm  Pm4  2  0.5000  0.3686  0.7011  1
  Y  Y5  2  0.0000  0.4777  0.4508  1
]