The presence or absence of significant participation in chemical bonding by the f-orbitals in actinide materials has been a subject of debate for many years. In this talk, I will discuss a relatively direct probe of actinide involvement in bonding, ligand K-edge X-ray absorption spectroscopy.  Experimental and theoretical investigations for a number of actinide complexes and solids will be presented and compared with the analogous transition metal complexes. The evidence for f-orbital � ligand bonding interactions, their origin, and the ramifications for actinide electronic structure will be discussed.

Covalency in the actinides probed with ligand K-edge X-ray absoprtion spectroscopy

247th National Meeting (2014)

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