data_global _chemical_name_mineral 'Cannonite' loop_ _publ_author_name 'Golic L' 'Graunar M' 'Lazarini F' _journal_name_full 'Acta Crystallographica, Section B' _journal_volume 38 _journal_year 1982 _journal_page_first 2881 _journal_page_last 2883 _publ_section_title ; catena-Di-mu-hydroxo-mu3-oxo-dibismuth(III) sulfate ; _database_code_amcsd 0009782 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Bi2 S O7 H2' _cell_length_a 7.692 _cell_length_b 13.87 _cell_length_c 5.688 _cell_angle_alpha 90 _cell_angle_beta 109.01 _cell_angle_gamma 90 _cell_volume 573.745 _exptl_crystal_density_diffrn 6.530 _symmetry_space_group_name_H-M 'P 1 21/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,1/2+z' '-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 Bi1 0.53563 0.15689 0.40586 0.00870 Bi2 0.18997 0.13397 0.71429 0.01270 S 0.87450 0.13310 0.09930 0.01000 O 0.38980 0.23170 0.65000 0.01100 O-H1 0.32540 0.05220 0.49970 0.01200 O-H2 0.39660 0.07520 0.03780 0.01500 O1 0.73640 0.20280 0.12390 0.02000 O2 0.90090 0.05750 0.29070 0.02000 O3 0.05240 0.18240 0.13200 0.02400 O4 0.80730 0.09060 -0.14530 0.02600 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Bi1 0.00900 0.00850 0.00870 0.00060 0.00430 0.00070 Bi2 0.01050 0.01190 0.01690 0.00040 0.00780 0.00110 S 0.00760 0.00950 0.01210 -0.00010 0.00410 0.00070