# 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 0.20559200 0.52789900 1.0 Cr Cr1 1 0.85884900 0.78600500 0.07381400 1.0 Cr Cr2 1 0.65339000 0.36221200 0.74889600 1.0 Cr Cr3 1 0.30023500 0.76572300 0.90357100 1.0 Cr Cr4 1 0.69976500 0.23427700 0.09642900 1.0 Cr Cr5 1 0.14115100 0.21399500 0.92618600 1.0 Cr Cr6 1 0.34661000 0.63778800 0.25110400 1.0 Cr Cr7 1 0.26529900 0.79440800 0.47210100 1.0 O O8 1 0.90866200 0.10249200 0.05528900 1.0 O O9 1 0.63403400 0.13140500 0.21976700 1.0 O O10 1 0.37468000 0.67891000 0.38197000 1.0 O O11 1 0.83155300 0.48877800 0.07653500 1.0 O O12 1 0.02290900 0.88072200 0.42159200 1.0 O O13 1 0.36887400 0.28974300 0.80332700 1.0 O O14 1 0.84668600 0.22374700 0.82585000 1.0 O O15 1 0.18905000 0.61777700 0.58095100 1.0 O O16 1 0.15331400 0.77625300 0.17415000 1.0 O O17 1 0.76083200 0.60486400 0.74112600 1.0 O O18 1 0.62532000 0.32109000 0.61803000 1.0 O O19 1 0.50000000 0.00000000 0.50000000 1.0 O O20 1 0.43698200 0.20389600 0.02334800 1.0 O O21 1 0.63112600 0.71025700 0.19667300 1.0 O O22 1 0.81095000 0.38222300 0.41904900 1.0 O O23 1 0.23916800 0.39513600 0.25887400 1.0 O O24 1 0.16844700 0.51122200 0.92346500 1.0 O O25 1 0.97709100 0.11927800 0.57840800 1.0 O O26 1 0.36596600 0.86859500 0.78023300 1.0 O O27 1 0.56301800 0.79610400 0.97665200 1.0 O O28 1 0.09133800 0.89750800 0.94471100 1.0