data_global _chemical_name_mineral 'Zinczippeite' loop_ _publ_author_name 'Burns P C' 'Deely K M' 'Hayden L A' _journal_name_full 'The Canadian Mineralogist' _journal_volume 41 _journal_year 2003 _journal_page_first 687 _journal_page_last 706 _publ_section_title ; The crystal chemistry of the zippeite group Sample: Zinc-zippeite ; _database_code_amcsd 0005852 _chemical_formula_sum 'U4 S2 Zn2 O27 H14' _cell_length_a 8.6437 _cell_length_b 14.1664 _cell_length_c 17.701 _cell_angle_alpha 90 _cell_angle_beta 104.041 _cell_angle_gamma 90 _cell_volume 2102.730 _exptl_crystal_density_diffrn 5.032 _symmetry_space_group_name_H-M 'C 1 2/m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,z' '1/2+x,1/2-y,z' '-x,y,-z' '1/2-x,1/2+y,-z' '-x,-y,-z' '1/2-x,1/2-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv U(1) 0.66670 0.23200 0.33470 0.01700 U(2) 0.33320 0.26820 0.16500 0.01600 S(1) 0.00000 0.26380 0.00000 0.03200 S(2) 0.00000 0.25080 0.50000 0.00600 Zn(1) 0.69070 0.50000 0.37680 0.03300 Zn(2) 0.30950 0.00000 0.12070 0.03900 O(1) 0.87600 0.18910 0.45260 0.01500 O(2) -0.11500 0.32060 -0.05410 0.02700 O(3) 0.39500 0.23910 0.29470 0.02000 O(4) -0.07500 0.19820 0.04880 0.01700 O(5) 0.93200 0.31550 0.55000 0.02400 O(6) 0.60300 0.23920 0.20580 0.01600 O(7) 0.64700 0.10460 0.31860 0.02300 O(8) 0.34000 0.39300 0.18250 0.02700 O(9) 0.32600 0.14170 0.13870 0.01700 O(10) 0.69900 0.35600 0.36880 0.02400 Wat(11) 0.71300 0.50000 0.49190 0.02600 Wat(12) 0.35000 0.00000 0.00890 0.03500 Wat(13) 0.55100 0.00000 0.15460 0.02400 Wat(14) 0.45400 0.50000 0.32170 0.03700 Wat(15) 0.93500 0.50000 0.39030 0.03200 Wat(16) 0.17300 0.00000 0.24120 0.04500 Wat(17) 0.06800 0.00000 0.07620 0.03100