data_[Ru2O4]
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 [Pmm2]
_cell_length_a [5.9771]
_cell_length_b [15.0000]
_cell_length_c [5.5241]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [25]
_chemical_formula_structural [RuO2]
_chemical_formula_sum '[Ru2 O4]'
_cell_volume [495.2685]
_cell_formula_units_Z [2]
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  2  0.2282  0.5000  0.8797  1
  O  O1  2  0.3881  0.5000  0.1902  1
  O  O2  1  0.0000  0.5000  0.1076  1
  O  O3  1  0.5000  0.5000  0.7178  1
]