data_[Ac16Pm6Pr6]
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
  Pr  1.1300  1.8500  1.0600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.8453]
_cell_length_b [13.7448]
_cell_length_c [6.4438]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.3716]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ac8(PmPr)3]
_chemical_formula_sum '[Ac16 Pm6 Pr6]'
_cell_volume [1176.5346]
_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
[
  Ac  Ac0  8  0.1293  0.2412  0.5456  1
  Ac  Ac1  8  0.1514  0.3691  0.0541  1
  Pm  Pm2  4  0.0000  0.1331  0.0000  1
  Pr  Pr3  4  0.2305  0.0000  0.3550  1
  Pm  Pm4  2  0.0000  0.0000  0.5000  1
  Pr  Pr5  2  0.0000  0.5000  0.5000  1
]