Plattnerite Grocholski B, Shim S H, Cottrell E, Prakapenka V B American Mineralogist 99 (2014) 170-177 Crystal structure and compressibility of lead dioxide up to 140 GPa Note: P = 39.0 GPa Locality: Synthetic _database_code_amcsd 0020163 5.426 6.389 3.362 90 90 90 Pnam atom x y z Pb .258 .103 .25 O1 .338 .440 .25 O2 .061 .344 .75