#------------------------------------------------------------------------------ #$Date: 2008-01-26 13:05:32 +0000 (Sat, 26 Jan 2008) $ #$Revision: 19 $ #$URL: svn://www.crystallography.net/cod/cif/9/9009783.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_9009783 _chemical_name 'Corundum' loop_ _publ_author_name 'Pauling L' 'Hendricks S B' _journal_name_full "Journal of the American Chemical Society" _journal_volume 47 _journal_year 1925 _journal_page_first 781 _journal_page_last 790 _publ_section_title ; Crystal structures of hematite and corundum Locality: Ceylon ; _chemical_formula_sum 'Al2 O3' _cell_length_a 5.120 _cell_length_b 5.120 _cell_length_c 5.120 _cell_angle_alpha 55.28 _cell_angle_beta 55.28 _cell_angle_gamma 55.28 _cell_volume 84.496 _symmetry_space_group_name_H-M 'R -3 c' loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '1/2-x,1/2-z,1/2-y' '-z,-x,-y' '1/2+y,1/2+x,1/2+z' 'y,z,x' '1/2-z,1/2-y,1/2-x' '-x,-y,-z' '1/2+x,1/2+z,1/2+y' 'z,x,y' '1/2-y,1/2-x,1/2-z' '-y,-z,-x' '1/2+z,1/2+y,1/2+x' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Al 0.35500 0.35500 0.35500 O 0.55300 -0.05300 0.25000