data_global _chemical_name_mineral 'Luogufengite' loop_ _publ_author_name 'Gich M' 'Frontera C' 'Roig A' 'Taboada E' 'Molins E' 'Rechenberg H R' 'Ardisson J D' 'Macedo W A A' 'Ritter C' 'Hardy V' 'Sort J' 'Skumryev V' 'Nogues J' _journal_name_full 'Chemistry of Materials' _journal_volume 18 _journal_year 2006 _journal_page_first 3889 _journal_page_last 3897 _publ_section_title ; High- and low-temperature crystal and magnetic structures of e-Fe2O3 and their correlation to its magnetic properties Note: T = 200 K ; _database_code_amcsd 0021085 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Fe2 O3' _cell_length_a 5.0885 _cell_length_b 8.7802 _cell_length_c 9.4709 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 423.141 _exptl_crystal_density_diffrn 5.013 _symmetry_space_group_name_H-M 'P n a 21' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2-y,z' '1/2-x,1/2+y,1/2+z' '-x,-y,1/2+z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Fe1 0.19280 0.15060 0.58070 ? Fe2 0.68260 0.02910 0.78970 ? Fe3 0.18580 0.15190 0.00000 ? Fe4 0.81040 0.15800 0.30710 ? O1 0.97800 0.32820 0.43140 ? O2 0.51500 0.49070 0.41870 ? O3 0.65000 0.99790 0.18830 ? O4 0.16000 0.16370 0.19560 ? O5 0.84100 0.16800 0.66690 ? O6 0.52700 0.16370 0.93620 ?