KHCO3 Allan D R, Marshall W G, Pulham C R American Mineralogist 92 (2007) 1018-1025 The high-pressure crystal structure of potassium hydrogen carbonate (KHCO3) Note: Kalicinite-type structure Sample: P = 2.10 GPa _database_code_amcsd 0004369 14.545 5.5216 3.6211 90 102.132 90 P2_1/a atom x y z K .1665 .031 .303 D .0109 .696 .552 C .1183 .532 .873 O1 .1926 .549 .110 O2 .0741 .730 .736 O3 .0821 .326 .750