data_global _chemical_name_mineral 'Cyanochroite' loop_ _publ_author_name 'Robinson D J' 'Kennard C H L' _journal_name_full 'Crystal Structure Communications' _journal_volume 1 _journal_year 1972 _journal_page_first 185 _journal_page_last 188 _publ_section_title ; Potassium hexa-aquacopper(II) sulfate, CuH12K2O14S2 (neutron) ; _database_code_amcsd 0012326 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'K2 Cu S2 O14 H12' _cell_length_a 9.066 _cell_length_b 12.13 _cell_length_c 6.149 _cell_angle_alpha 90 _cell_angle_beta 104.4 _cell_angle_gamma 90 _cell_volume 654.965 _exptl_crystal_density_diffrn 2.241 _symmetry_space_group_name_H-M 'P 1 21/a 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2-y,z' '1/2-x,1/2+y,-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z K 0.12370 0.34670 0.34180 Cu 0.00000 0.00000 0.00000 S 0.40190 0.13600 0.72250 O3 0.39830 0.23490 0.58320 O4 0.54350 0.07540 0.73970 O5 0.27310 0.06390 0.61050 O6 0.38550 0.16770 0.94600 O7 0.16140 0.11220 0.16410 O8 -0.18720 0.11870 0.03630 O9 -0.00370 -0.06500 0.28750 H15 0.20910 0.08980 0.31810 H16 0.24200 0.12440 0.08750 H17 -0.28310 0.10230 -0.07290 H18 -0.15950 0.19160 0.00050 H19 -0.10120 -0.05870 0.32680 H20 0.03260 -0.14100 0.32080