Cesium Takemura K, Shimomura O, Fujihisa H Physical Review Letters 66 (1991) 2014-2017 Cs(VI): a new high-pressure polymorph of cesium above 72 GPa Locality: synthetic Sample: at P = 92 GPa Note: stable above P = 72 GPa Note: known as cesium-VI _database_code_amcsd 0015276 3.011 3.011 4.855 90 90 90 P6_3/mmc atom x y z Cs 1/3 2/3 .25