data_[Cr8O12]
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 [P1]
_cell_length_a [5.5038]
_cell_length_b [18.7595]
_cell_length_c [18.7595]
_cell_angle_alpha [120.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [1]
_chemical_formula_structural [Cr2O3]
_chemical_formula_sum '[Cr8 O12]'
_cell_volume [1677.3974]
_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
[
  Cr  Cr0  1  0.1057  0.1229  0.4736  1
  Cr  Cr1  1  0.1562  0.1146  0.6512  1
  Cr  Cr2  1  0.1693  0.8854  0.3496  1
  Cr  Cr3  1  0.2921  0.8865  0.5358  1
  Cr  Cr4  1  0.4859  0.0385  0.4864  1
  Cr  Cr5  1  0.6385  0.8101  0.3999  1
  Cr  Cr6  1  0.7109  0.1788  0.5856  1
  Cr  Cr7  1  0.8806  0.9565  0.5126  1
  O  O8  1  0.0956  0.9995  0.6051  1
  O  O9  1  0.2409  0.9985  0.4032  1
  O  O10  1  0.3976  0.8087  0.3270  1
  O  O11  1  0.4452  0.1442  0.4911  1
  O  O12  1  0.4578  0.1134  0.6090  1
  O  O13  1  0.4899  0.7922  0.4750  1
  O  O14  1  0.5270  0.9446  0.5063  1
  O  O15  1  0.8398  0.0661  0.5098  1
  O  O16  1  0.8570  0.8872  0.3860  1
  O  O17  1  0.9220  0.2127  0.5273  1
  O  O18  1  0.9284  0.1893  0.6713  1
  O  O19  1  0.9852  0.8504  0.4943  1
]