data_global _chemical_name_mineral 'Bayerite' loop_ _publ_author_name 'Zigan F' 'Joswig W' 'Burger N' _journal_name_full 'Zeitschrift fur Kristallographie' _journal_volume 148 _journal_year 1978 _journal_page_first 255 _journal_page_last 273 _publ_section_title ; Die wasserstoffpositionen im bayerit, Al(OH)3 ; _database_code_amcsd 0019360 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Al O3 H3' _cell_length_a 5.0626 _cell_length_b 8.6719 _cell_length_c 9.4254 _cell_angle_alpha 90 _cell_angle_beta 90.26 _cell_angle_gamma 90 _cell_volume 413.793 _exptl_crystal_density_diffrn 2.504 _symmetry_space_group_name_H-M 'P 1 21/n 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2-y,1/2+z' '1/2-x,1/2+y,1/2-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Al1 0.51140 0.16420 0.00040 0.01659 Al2 0.03260 0.33150 -0.00150 0.01659 O1 0.12990 0.50720 0.38750 0.00633 O2 0.35730 0.32540 0.10200 0.00633 O3 0.71220 0.30570 0.38290 0.00633 O4 0.88190 0.49280 0.11110 0.00633 O5 0.65780 0.67470 0.39880 0.00633 O6 0.28290 0.69380 0.11420 0.00633 H1 0.05270 0.50200 0.29400 0.02330 H2 0.31620 0.30340 0.20640 0.02330 H3 0.74580 0.27500 0.28830 0.02330 H4 0.69340 0.46570 0.12850 0.02330 H5 0.56020 0.58330 0.38830 0.02330 H6 0.35980 0.60060 0.15230 0.02330