The Energy Gap of the Lowest Manifolds in Americium Triscyclopentadienide

Abstract

Americium triscyclopentadienide/Crystal structure of -/Magnetic susceptibility of - AbstractThe preparation and investigation of 243 Americium triscyclopentadienide is reported. The compound crystallizes in the orthorhombic group Pbcm with the lattice parameters a = 14.08 ± 0.2, b = 17.55 ± 0.02 and c = 19.66 ± 0.02 A. The magnetic susceptibility of the compound was measured between 4.2 and 300 Κ and the paramagnetism is discussed. The deviation from the expected temperature independent molar susceptibility, for the trivalent Americium ion at low temperatures, is assumed to be attributed to the presence of Am 2+ formed by radiolysis and the reducing influence of the cyclopentadienyl ligands.