data_global _chemical_name_mineral 'Behounekite' loop_ _publ_author_name 'Kierkegaard P' _journal_name_full 'Acta Chemica Scandinavica' _journal_volume 10 _journal_year 1956 _journal_page_first 599 _journal_page_last 616 _publ_section_title ; The crystal structure of U(SO4)2*4H2O ; _database_code_amcsd 0018327 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'U S2 O12 H8' _cell_length_a 14.674 _cell_length_b 11.093 _cell_length_c 5.688 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 925.885 _exptl_crystal_density_diffrn 3.603 _symmetry_space_group_name_H-M 'P n m a' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,z' '-x,1/2+y,-z' '1/2-x,1/2+y,1/2+z' '1/2+x,1/2-y,1/2-z' '1/2+x,y,1/2-z' '1/2-x,-y,1/2+z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z U 0.17100 0.25000 0.12100 S 0.35100 0.05400 0.87900 O1 0.27000 0.12000 0.89000 O2 0.33000 0.92000 0.88000 O3 0.40000 0.08000 0.09000 O4 0.40000 0.08000 0.66000 Wat5 0.04000 0.25000 0.37000 Wat6 0.30000 0.25000 0.37000 Wat7 0.08000 0.12000 0.88000