data_[Ac4Pr2F16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Pr  1.1300  1.8500  1.0600
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.1354]
_cell_length_b [6.9948]
_cell_length_c [11.3763]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Ac2PrF8]
_chemical_formula_sum '[Ac4 Pr2 F16]'
_cell_volume [329.0736]
_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  0.0000  0.5000  0.1864  1
  Pr  Pr1  2  0.0000  0.5000  0.5000  1
  F  F2  8  0.0000  0.2156  0.3427  1
  F  F3  4  0.0000  0.0000  0.1404  1
  F  F4  4  0.0000  0.3104  0.0000  1
]