data_global _chemical_name_mineral 'Johannite' loop_ _publ_author_name 'Mereiter K' _journal_name_full 'Tschermaks Mineralogische und Petrographische Mitteilungen' _journal_volume 30 _journal_year 1982 _journal_page_first 47 _journal_page_last 57 _publ_section_title ; Die kristallstruktur des johannits, Cu(UO2)2(OH)2(SO4)2*8H2O ; _database_code_amcsd 0015685 _chemical_compound_source 'Joachimsthal, Czech Republic' _chemical_formula_sum 'Cu U2 S2 O22 H18' _cell_length_a 8.903 _cell_length_b 9.499 _cell_length_c 6.812 _cell_angle_alpha 109.87 _cell_angle_beta 112.01 _cell_angle_gamma 100.40 _cell_volume 469.944 _exptl_crystal_density_diffrn 3.441 _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 _atom_site_U_iso_or_equiv Cu 0.50000 0.50000 0.50000 ? U -0.00614 0.21322 0.11483 ? S 0.04118 0.38746 0.71781 ? O1 -0.23660 0.14020 -0.02860 0.03065 O2 0.22470 0.28620 0.25680 0.02571 O-H3 0.00320 -0.00740 0.19370 0.02229 O4 -0.01720 0.26610 0.47440 0.02546 O5 -0.03410 0.51010 0.70250 0.02976 O6 -0.03370 0.30570 0.82890 0.02520 O7 0.22980 0.45420 0.85130 0.03838 Wat8 0.55980 0.38020 0.25970 0.03027 Wat9 0.56200 0.37330 0.67460 0.03445 Wat10 0.56870 0.12010 0.34380 0.04711 Wat11 0.24750 0.09170 0.66610 0.03724 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 Cu 0.02160 0.02480 0.02360 0.00630 0.00950 0.00980 U 0.01580 0.00880 0.01240 0.00400 0.00740 0.00460 S 0.02440 0.01190 0.01740 0.00640 0.01070 0.00600