data_[Ac4Ru4O16]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [3.9462]
_cell_length_b [14.3240]
_cell_length_c [5.7080]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [AcRuO4]
_chemical_formula_sum '[Ac4 Ru4 O16]'
_cell_volume [322.6482]
_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  0.0000  0.1545  0.8248  1
  Ru  Ru1  4  0.0000  0.4130  0.7753  1
  O  O2  4  0.0000  0.0828  0.2623  1
  O  O3  4  0.0000  0.2996  0.5810  1
  O  O4  4  0.0000  0.3379  0.0476  1
  O  O5  4  0.0000  0.4681  0.4424  1
]