data_[Ac2Tb7Pr4]
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
]
_symmetry_space_group_name_H-M [P-31m]
_cell_length_a [6.2731]
_cell_length_b [6.2731]
_cell_length_c [13.6329]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [162]
_chemical_formula_structural [Ac2Tb7Pr4]
_chemical_formula_sum '[Ac2 Tb7 Pr4]'
_cell_volume [464.6090]
_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
[
  Tb  Tb0  6  0.0000  0.3557  0.7831  1
  Ac  Ac1  2  0.3333  0.6667  0.0000  1
  Tb  Tb2  1  0.0000  0.0000  0.0000  1
  Pr  Pr3  2  0.0000  0.0000  0.3923  1
  Pr  Pr4  2  0.3333  0.6667  0.5000  1
]