data_[Os8O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Os  2.2000  1.3000  0.6730
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [12.4554]
_cell_length_b [4.7749]
_cell_length_c [5.3865]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.9126]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Os2O5]
_chemical_formula_sum '[Os8 O20]'
_cell_volume [313.4511]
_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
[
  Os  Os0  8  0.1414  0.2436  0.7824  1.0
  O  O1  8  0.1032  0.0596  0.4706  1.0
  O  O2  8  0.2018  0.4222  0.1278  1.0
  O  O3  4  0.0000  0.4098  0.7500  1.0
]