data_[Ac4Tb2Pr4Y2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Tb  1.1000  1.7500  0.9815
  Pr  1.1300  1.8500  1.0600
  Y  1.2200  1.8000  1.0400
]
_symmetry_space_group_name_H-M [Pmma]
_cell_length_a [7.3840]
_cell_length_b [5.9378]
_cell_length_c [10.2426]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [51]
_chemical_formula_structural [Ac2TbPr2Y]
_chemical_formula_sum '[Ac4 Tb2 Pr4 Y2]'
_cell_volume [449.0873]
_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  2  0.0000  0.5000  0.0000  1
  Ac  Ac1  2  0.2500  0.0000  0.8255  1
  Tb  Tb2  2  0.2500  0.5000  0.3374  1
  Pr  Pr3  2  0.2500  0.0000  0.1760  1
  Pr  Pr4  2  0.2500  0.5000  0.6538  1
  Y  Y5  2  0.0000  0.0000  0.5000  1
]