data_[Ac9Pm18Ho3]
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
  Ho  1.2300  1.7500  1.0410
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [10.1707]
_cell_length_b [10.1707]
_cell_length_c [12.9177]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Ac3Pm6Ho]
_chemical_formula_sum '[Ac9 Pm18 Ho3]'
_cell_volume [1157.2368]
_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
[
  Ac  Ac0  6  0.0000  0.0000  0.2577  1
  Ac  Ac1  3  -0.0000  0.0000  0.0000  1
  Pm  Pm2  18  0.0003  0.6739  0.4229  1
  Ho  Ho3  3  -0.0000  0.0000  0.5000  1
]