Sulfur donating extractants for the separation of trivalent actinides and lanthanides

NP Bessen, JA Jackson, MP Jensen… - Coordination Chemistry …, 2020 - Elsevier
The effective separation of trivalent actinides and lanthanides is capable of reducing the
long term radiation hazard associated with used nuclear fuel. This class of separation …

The coordination properties and ionic radius of actinium: A 120-year-old enigma

GJP Deblonde, M Zavarin, AB Kersting - Coordination Chemistry Reviews, 2021 - Elsevier
Actinium is an elusive element with untamed properties and represents a peculiar case in
the periodic table, as its isotopes are all radioactive, the longest-lived one having only a 22 …

Polyoxometalates as ligands to synthesize, isolate and characterize compounds of rare isotopes on the microgram scale

I Colliard, JRI Lee, CA Colla, HE Mason, AM Sawvel… - Nature Chemistry, 2022 - nature.com
The synthesis and study of radioactive compounds are both inherently limited by their
toxicity, cost and isotope scarcity. Traditional methods using small inorganic or organic …

Quantification of f-element covalency through analysis of the electron density: insights from simulation

A Kerridge - Chemical Communications, 2017 - pubs.rsc.org
The electronic structure of f-element compounds is complex due to a combination of
relativistic effects, strong electron correlation and weak crystal field environments. However …

On the origin of covalent bonding in heavy actinides

MP Kelley, J Su, M Urban, M Luckey… - Journal of the …, 2017 - ACS Publications
Recent reports have suggested the late actinides participate in more covalent interactions
than the earlier actinides, yet the origin of this shift in chemistry is not understood. This report …

Isolation and characterization of a californium metallocene

CAP Goodwin, J Su, LM Stevens, FD White… - Nature, 2021 - nature.com
Californium (Cf) is currently the heaviest element accessible above microgram quantities. Cf
isotopes impose severe experimental challenges due to their scarcity and radiological …

Relativistic quantum chemical calculations show that the uranium molecule U2 has a quadruple bond

S Knecht, HJA Jensen, T Saue - Nature chemistry, 2019 - nature.com
Understanding the bonding, reactivity and electronic structure of actinides is lagging behind
that of the rest of the periodic table. This can be partly explained by the challenges that one …

Actinide covalency measured by pulsed electron paramagnetic resonance spectroscopy

A Formanuik, AM Ariciu, F Ortu, R Beekmeyer… - Nature Chemistry, 2017 - nature.com
Our knowledge of actinide chemical bonds lags far behind our understanding of the bonding
regimes of any other series of elements. This is a major issue given the technological as well …

Investigation of f-Element Interactions with Functionalized Diamides of Phenanthroline-Based Ligands

EM Archer, SS Galley, JA Jackson… - Solvent Extraction and …, 2023 - Taylor & Francis
Separations relevant to trivalent actinides and lanthanides have been a focus of the f-
element community in the past few decades. A central focus of this effort has been …

Multiple bonding in lanthanides and actinides: Direct comparison of covalency in thorium (IV)-and cerium (IV)-imido complexes

T Cheisson, KD Kersey, N Mahieu… - Journal of the …, 2019 - ACS Publications
A series of thorium (IV)-imido complexes was synthesized and characterized. Extensive
experimental and computational comparisons with the isostructural cerium (IV)-imido …