Cerussite Antao S M, Hassan I The Canadian Mineralogist 47 (2009) 1245-1255 The orthorhombic structure of CaCO3, SrCO3, PbCO3 and BaCO3: Linear structural trends Locality: synthetic _database_code_amcsd 0006304 5.18324 8.49920 6.14746 90 90 90 Pmcn atom x y z Uiso Pb .25 .41739 .7538 .01696 C .25 .7541 -.080 .01696 O1 .25 .9057 -.0907 .01696 O2 .4638 .6786 -.0824 .01696