# generated using pymatgen
data_Cr8O21
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.45830100
_cell_length_b   6.74839428
_cell_length_c   12.88939785
_cell_angle_alpha   105.03452940
_cell_angle_beta   87.48164884
_cell_angle_gamma   102.91755319
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Cr8O21
_chemical_formula_sum   'Cr8 O21'
_cell_volume   446.87234915
_cell_formula_units_Z   1
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  0.73470100  0.67769200  0.52789900  1.0
  Cr  Cr1  1  0.85884900  0.71219100  0.07381400  1.0
  Cr  Cr2  1  0.65339000  0.61331600  0.74889600  1.0
  Cr  Cr3  1  0.30023500  0.86215200  0.90357100  1.0
  Cr  Cr4  1  0.69976500  0.13784800  0.09642900  1.0
  Cr  Cr5  1  0.14115100  0.28780900  0.92618600  1.0
  Cr  Cr6  1  0.34661000  0.38668400  0.25110400  1.0
  Cr  Cr7  1  0.26529900  0.32230800  0.47210100  1.0
  O  O8  1  0.90866200  0.04720300  0.05528900  1.0
  O  O9  1  0.63403400  0.91163800  0.21976700  1.0
  O  O10  1  0.37468000  0.29694000  0.38197000  1.0
  O  O11  1  0.83155300  0.41224300  0.07653500  1.0
  O  O12  1  0.02290900  0.45913000  0.42159200  1.0
  O  O13  1  0.36887400  0.48641500  0.80332700  1.0
  O  O14  1  0.84668600  0.39789700  0.82585000  1.0
  O  O15  1  0.18905000  0.03682700  0.58095100  1.0
  O  O16  1  0.15331400  0.60210300  0.17415000  1.0
  O  O17  1  0.76083200  0.86373800  0.74112600  1.0
  O  O18  1  0.62532000  0.70306000  0.61803000  1.0
  O  O19  1  0.50000000  0.50000000  0.50000000  1.0
  O  O20  1  0.43698200  0.18054900  0.02334800  1.0
  O  O21  1  0.63112600  0.51358500  0.19667300  1.0
  O  O22  1  0.81095000  0.96317300  0.41904900  1.0
  O  O23  1  0.23916800  0.13626200  0.25887400  1.0
  O  O24  1  0.16844700  0.58775700  0.92346500  1.0
  O  O25  1  0.97709100  0.54087000  0.57840800  1.0
  O  O26  1  0.36596600  0.08836200  0.78023300  1.0
  O  O27  1  0.56301800  0.81945100  0.97665200  1.0
  O  O28  1  0.09133800  0.95279700  0.94471100  1.0