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 = 2.5 GPa ; _database_code_amcsd 0003176 _chemical_formula_sum 'K C D O3' _cell_length_a 14.379 _cell_length_b 5.494 _cell_length_c 3.609 _cell_angle_alpha 90 _cell_angle_beta 101.64 _cell_angle_gamma 90 _cell_volume 279.241 _exptl_crystal_density_diffrn 2.405 _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 0.16200 0.02100 0.29800 C1 0.12100 0.54100 -0.10400 D1 0.01400 0.70700 -0.42500 O1 0.19500 0.53200 0.12300 O2 0.07900 0.72800 -0.30100 O3 0.08300 0.32900 -0.23900