data_[Ac6Tb24Pm9]
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
  Pm  1.1300  1.8500  1.1100
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [6.6429]
_cell_length_b [6.6429]
_cell_length_c [36.9537]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Ac2Tb8Pm3]
_chemical_formula_sum '[Ac6 Tb24 Pm9]'
_cell_volume [1412.2288]
_cell_formula_units_Z [3]
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  18  0.0007  0.5004  0.2206  1
  Tb  Tb1  6  0.0000  0.0000  0.2714  1
  Ac  Ac2  6  0.0000  0.0000  0.3612  1
  Pm  Pm3  6  0.0000  0.0000  0.1873  1
  Pm  Pm4  3  0.0000  0.0000  0.0000  1
]