data_global _chemical_name_mineral 'Kaliochalcite' loop_ _publ_author_name 'Giester G' 'Zemann J' _journal_name_full 'Zeitschrift fur Kristallographie' _journal_volume 179 _journal_year 1987 _journal_page_first 431 _journal_page_last 442 _publ_section_title ; The crystal structure of the natrochalcite-type compounds (Me+)Cu2(OH)(zO4)2*H2O [Me+ = Na,K,Rb; z = S,Se], with special reference to the hydrogen bonds ; _database_code_amcsd 0010973 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'K Cu2 S2 O10 H4' _cell_length_a 8.955 _cell_length_b 6.265 _cell_length_c 7.628 _cell_angle_alpha 90 _cell_angle_beta 117.45 _cell_angle_gamma 90 _cell_volume 379.772 _exptl_crystal_density_diffrn 3.449 _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_occupancy K 0.00000 0.50000 0.50000 1.00000 Cu 0.25000 0.25000 0.00000 1.00000 S 0.08019 0.00000 0.28786 1.00000 O1 0.18620 0.00000 0.18510 1.00000 O2 0.18470 0.00000 0.50000 1.00000 O3 -0.02830 0.19460 0.22760 1.00000 Wat4 0.15600 0.50000 0.07460 0.50000 O-H4 0.15600 0.50000 0.07460 0.50000 H 0.18400 0.50000 0.19400 0.50000 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 K 0.00960 0.02030 0.01060 0.00000 0.00290 0.00000 Cu 0.00570 0.00720 0.01100 0.00030 0.00270 -0.00100 S 0.00530 0.00790 0.00690 0.00000 0.00240 0.00000 O1 0.00990 0.01370 0.01240 0.00000 0.00740 0.00000 O2 0.01060 0.02160 0.00680 0.00000 0.00160 0.00000 O3 0.00800 0.00860 0.01330 0.00160 0.00250 -0.00080 Wat4 0.00710 0.00900 0.01070 0.00000 0.00420 0.00000 O-H4 0.00710 0.00900 0.01070 0.00000 0.00420 0.00000