data_9007520 _chemical_name 'Mn2O3' loop_ _publ_author_name 'Geller S' _journal_name_full "Acta Crystallographica, Section B" _journal_volume 27 _journal_year 1971 _journal_page_first 821 _journal_page_last 828 _publ_section_title ; Structures of alpha-Mn203, (MnO.983Fe0.017)203 and (Mn0.37Fe0.63)2O3 and relation to magnetic ordering ; _chemical_formula_sum 'Mn2 O3' _cell_length_a 9.4157 _cell_length_b 9.4233 _cell_length_c 9.4047 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 834.450 _symmetry_space_group_name_H-M 'P c a b' loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' 'x,1/2+y,1/2-z' '-x,1/2-y,1/2+z' '1/2-x,y,1/2+z' '1/2+x,-y,1/2-z' '1/2+x,1/2-y,z' '1/2-x,1/2+y,-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Mn1 0.00000 0.00000 0.00000 Mn2 0.00000 0.00000 0.50000 Mn3 0.28479 0.25253 -0.00590 Mn4 0.00462 0.28507 0.24564 Mn5 0.25301 0.00130 0.28533 O6 0.13299 -0.08466 0.15030 O7 0.14435 0.12989 -0.08507 O8 -0.08038 0.14693 0.12412 O9 -0.37447 0.41757 -0.35569 O10 -0.35081 -0.37238 0.41947 O11 0.41306 -0.35285 -0.36571