data_global _chemical_name_mineral 'Zippeite' loop_ _publ_author_name 'Vochten R' 'Van Haverbeke L' 'Van Springel K' 'Blaton N' 'Peeters O M' _journal_name_full 'The Canadian Mineralogist' _journal_volume 33 _journal_year 1995 _journal_page_first 1091 _journal_page_last 1101 _publ_section_title ; The structure and physicochemical characteristics of synthetic zippeite Note: S occupancies increase from .5 to full to match formula ; _database_code_amcsd 0005465 _chemical_formula_sum 'K U2 S O12 H5' _cell_length_a 8.755 _cell_length_b 13.987 _cell_length_c 17.730 _cell_angle_alpha 90 _cell_angle_beta 104.13 _cell_angle_gamma 90 _cell_volume 2105.459 _exptl_crystal_density_diffrn 4.696 _symmetry_space_group_name_H-M 'C 1 2/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,1/2+z' '1/2+x,1/2-y,1/2+z' '-x,y,1/2-z' '1/2-x,1/2+y,1/2-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_occupancy _atom_site_U_iso_or_equiv K1 0.44870 0.24080 0.13470 0.50000 0.01880 K2 0.42800 0.26540 0.07080 0.50000 0.02060 U1 0.16680 0.01573 0.08649 1.00000 0.01340 U2 0.66650 0.98427 0.08618 1.00000 0.01510 S1 0.50000 -0.00780 0.25000 1.00000 0.01410 S2 0.00000 0.00160 0.25000 1.00000 0.01300 O1 0.19200 0.14180 0.07120 1.00000 0.01520 O1* 0.19800 0.89780 0.11630 1.00000 0.01400 O2 0.65100 0.10720 0.11100 1.00000 0.01600 O2* 0.64800 0.86470 0.05570 1.00000 0.01400 O-H3 0.39300 -0.02800 0.04590 1.00000 0.01570 O-H4 -0.09900 -0.00590 0.04400 1.00000 0.01200 O5 0.55870 -0.07010 0.19550 1.00000 0.01450 O6 0.08200 0.06360 0.20480 1.00000 0.01500 O7 0.38890 0.05490 0.19750 1.00000 0.01640 O8 0.87800 -0.05690 0.20080 1.00000 0.01700 O-H9 0.28500 0.26910 0.26250 1.00000 0.01910 Wat10 0.08800 0.25500 0.40200 1.00000 0.07300