data_[Ru8O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ru  2.2000  1.3000  0.6610
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [12.3363]
_cell_length_b [4.7503]
_cell_length_c [5.3354]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.8708]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Ru2O5]
_chemical_formula_sum '[Ru8 O20]'
_cell_volume [305.9719]
_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
[
  Ru  Ru0  8  0.1409  0.2436  0.7810  1.0
  O  O1  8  0.1000  0.0629  0.4668  1.0
  O  O2  8  0.2016  0.4203  0.1293  1.0
  O  O3  4  0.0000  0.4161  0.7500  1.0
]