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 = 23.5 GPa Locality: Synthetic _database_code_amcsd 0020161 5.493 6.520 3.453 90 90 90 Pnam atom x y z Pb .260 .100 .25 O1 .317 .409 .25 O2 .087 .346 .75