data_global _chemical_name_mineral 'Nordstrandite' loop_ _publ_author_name 'Bosmans H J' _journal_name_full 'Acta Crystallographica, Section B' _journal_volume 26 _journal_year 1970 _journal_page_first 649 _journal_page_last 652 _publ_section_title ; Unit cell and crystal structure of nordstrandite, Al(OH)3 ; _database_code_amcsd 0009375 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Al (O3 H3)' _cell_length_a 5.114 _cell_length_b 5.082 _cell_length_c 5.127 _cell_angle_alpha 70.27 _cell_angle_beta 74.0 _cell_angle_gamma 58.47 _cell_volume 106.089 _exptl_crystal_density_diffrn 2.442 _symmetry_space_group_name_H-M 'P -1' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Al 0.33700 0.33300 0.01000 O-H1 0.31900 0.93300 0.24200 O-H2 0.94300 0.59100 0.20300 O-H3 0.62200 0.28500 0.20800