New hard/soft donor ligand and its effect on the structure and redox behaviour of uranium complexes

This article is HOT as recommended by the referees. And we’ve made it free to access for 4 weeks.

David Emslie and colleagues from McMaster University describe the synthesis of a new rigid NSN-donor ligand as well as the preparation of uranium(IV) and uranium(III) complexes using this ligand and a previously prepared NON-donor ligand. A combination of cyclic voltammetry, DFT calculations and Atoms In Molecules calculations were used to compare U–SAR2 and U–OAr2 bonding and the results indicated increased covalency in U-SAR2 bonds that is probably due to the short U-S distances and tight C-S-U angles in the complexes.  This work will aid the advancement of approaches for lanthanide/actinide separation in nuclear fuel reprocessing as well as analytical actinide detection.

Rigid NON- and NSN-ligand complexes of tetravalent and trivalent uranium

Rigid NON- and NSN-ligand complexes of tetravalent and trivalent uranium.

Download the full paper below which is being published as part of an upcoming Dalton Transactions special issue, New Talent: the Americas…

Rigid NON- and NSN-ligand complexes of tetravalent and trivalent uranium: comparison of U–OAr2 and U–SAr2 bonding
Balamurugan Vidjayacoumar,  Sougandi Ilango,  Matthew J. Ray,  Terry Chu,  Kristopher B. Kolpin,  Nicholas R. Andreychuk,  Carlos A. Cruz,  David J. H. Emslie,  Hilary A. Jenkins and James F. Britten
Dalton Trans., 2012
DOI: 10.1039/C2DT30247K

You may also find this 2010 Dalton Transactions themed issue on New horizons in organo-f-block chemistry interesting.

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