data_global _chemical_name_mineral 'Kalicinite' loop_ _publ_author_name 'Nitta I' 'Tomiie Y' 'Koo C H' _journal_name_full 'Acta Crystallographica' _journal_volume 5 _journal_year 1952 _journal_page_first 292 _journal_page_last 292 _publ_section_title ; The crystal structure of potassium bicarbonate, KHCO3 ; _database_code_amcsd 0009145 _chemical_formula_sum 'K C O3' _cell_length_a 15.11 _cell_length_b 5.67 _cell_length_c 3.71 _cell_angle_alpha 90 _cell_angle_beta 103.75 _cell_angle_gamma 90 _cell_volume 308.741 _exptl_crystal_density_diffrn 2.132 _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 _atom_site_U_iso_or_equiv K 0.16330 0.02100 0.30100 0.02242 C 0.11770 0.52900 -0.15000 0.02242 OI 0.19600 0.54100 0.07800 0.02242 OII 0.08130 0.72500 -0.31700 0.02242 OIII 0.07890 0.32000 -0.23300 0.02242