data_[Cr6O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cr  1.6600  1.4000  0.9400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [5.4627]
_cell_length_b [8.1072]
_cell_length_c [9.1518]
_cell_angle_alpha [90.0000]
_cell_angle_beta [126.1709]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Cr3O8]
_chemical_formula_sum '[Cr6 O16]'
_cell_volume [327.1868]
_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
[
  Cr  Cr0  4  0.3016  0.6829  0.8048  1
  Cr  Cr1  2  0.0000  0.0000  0.5000  1
  O  O2  4  0.0636  0.5630  0.8258  1
  O  O3  4  0.0981  0.7224  0.0998  1
  O  O4  4  0.4271  0.0598  0.6711  1
  O  O5  4  0.4553  0.6838  0.4611  1
]