Kalicinite Nitta I, Tomiie Y, Koo C H Acta Crystallographica 5 (1952) 292-292 The crystal structure of potassium bicarbonate, KHCO3 _database_code_amcsd 0009145 15.11 5.67 3.71 90 103.75 90 P2_1/a atom x y z Biso K .1633 .021 .301 1.77 C .1177 .529 -.150 1.77 OI .1960 .541 .078 1.77 OII .0813 .725 -.317 1.77 OIII .0789 .320 -.233 1.77