Studies of transuranic organometallic complexes provide particularly valuable insight into covalent contributions to the metal-ligand bonding, in which the subtle differences between the transuranium An(III) ions and their lighter lanthanide Ln(III)counterparts are of fundamental importance for effective remediation of nuclear waste. Unlike the organometallic chemistry of uranium, which has focused strongly on U(III) with spectacular advances, that of the transuranics is significantly technically more challenging and has remained dormant. We will show recent and new, electron-rich neptunium organometallic compounds and discuss how the differences in redox stability between the early actinide metal cations is readily modified by apparently subtle changes in the organometallic ligand set.

Organometallic neptunium chemistry and the importance of spontaneous reduction reactions

2019 Spring National Meeting

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