data_[Os4O8]
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 [P2_1/c]
_cell_length_a [5.4591]
_cell_length_b [4.8755]
_cell_length_c [5.5066]
_cell_angle_alpha [90.0000]
_cell_angle_beta [117.1711]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [OsO2]
_chemical_formula_sum '[Os4 O8]'
_cell_volume [130.3893]
_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  4  0.2639  0.5044  0.7795  1.0
  O  O1  4  0.1156  0.6691  0.4005  1.0
  O  O2  4  0.3770  0.1807  0.6409  1.0
]