data_global _chemical_name_mineral 'Kalicinite' loop_ _publ_author_name 'Kagi H' 'Nagai T' 'Loveday J S' 'Wada C' 'Parise J B' _journal_name_full 'American Mineralogist' _journal_volume 88 _journal_year 2003 _journal_page_first 1446 _journal_page_last 1451 _publ_section_title ; Pressure-induced phase transformation of kalicinite (KHCO3) at 2.8 GPa and local structural changes around hydrogen atoms Sample: at P = 0.2 GPa ; _database_code_amcsd 0003173 _chemical_formula_sum 'K C D O3' _cell_length_a 15.103 _cell_length_b 5.6152 _cell_length_c 3.6963 _cell_angle_alpha 90 _cell_angle_beta 104.19 _cell_angle_gamma 90 _cell_volume 303.905 _exptl_crystal_density_diffrn 2.210 _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 K1 0.17200 0.02100 0.28100 C1 0.12500 0.52100 -0.13300 D1 0.01400 0.68100 -0.45100 O1 0.19300 0.53100 0.11500 O2 0.08200 0.71500 -0.27400 O3 0.09000 0.32100 -0.28800