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 = 0.00 GPa _database_code_amcsd 0004364 15.195 5.6298 3.7088 90 104.534 90 P2_1/a atom x y z K .1681 .030 .302 D .0149 .694 .550 C .1225 .520 .860 O1 .1945 .539 .100 O2 .0785 .722 .729 O3 .0835 .323 .728