data_[Ac1Pm1Pr2Sb4]
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
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [7.9763]
_cell_length_b [4.6074]
_cell_length_c [7.9766]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.4247]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [AcPm(PrSb2)2]
_chemical_formula_sum '[Ac1 Pm1 Pr2 Sb4]'
_cell_volume [276.4553]
_cell_formula_units_Z [1]
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  1  0.5000  0.5000  0.0000  1
  Pr  Pr1  1  0.0000  0.0000  0.0000  1
  Pr  Pr2  1  0.0000  0.5000  0.5000  1
  Pm  Pm3  1  0.5000  0.0000  0.5000  1
  Sb  Sb4  2  0.2430  0.0000  0.7403  1
  Sb  Sb5  2  0.2486  0.5000  0.2567  1
]