data_[Ac4Pm10Pr10]
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 [15.8597]
_cell_length_b [5.2717]
_cell_length_c [11.8219]
_cell_angle_alpha [90.0000]
_cell_angle_beta [116.6088]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ac2(PmPr)5]
_chemical_formula_sum '[Ac4 Pm10 Pr10]'
_cell_volume [883.7109]
_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  4  0.0827  0.0000  0.7499  1
  Pm  Pm1  4  0.0857  0.5000  0.2500  1
  Pm  Pm2  4  0.1661  0.5000  0.0012  1
  Pr  Pr3  4  0.1684  0.0000  0.5005  1
  Pr  Pr4  4  0.2461  0.0000  0.2477  1
  Pr  Pr5  2  0.0000  0.0000  0.0000  1
  Pm  Pm6  2  0.0000  0.5000  0.5000  1
]