data_[Ac8Ru4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [14.4199]
_cell_length_b [4.3330]
_cell_length_c [6.9580]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [Ac2Ru]
_chemical_formula_sum '[Ac8 Ru4]'
_cell_volume [434.7502]
_cell_formula_units_Z [4]
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  0.0426  0.7500  0.2265  1
  Ac  Ac1  4  0.2107  0.7500  0.7724  1
  Ru  Ru2  4  0.1388  0.2500  0.0094  1
]