Activation of small molecules by molecular uranium complexes

HS La Pierre, K Meyer - Progress in Inorganic Chemistry …, 2014 - Wiley Online Library
This chapter reviews the reaction chemistry of uranium complexes with small molecules of
industrial and biological importance. Specifically, carbon monoxide (CO), nitrogen monoxide …

The role of the 5f valence orbitals of early actinides in chemical bonding

T Vitova, I Pidchenko, D Fellhauer, PS Bagus… - Nature …, 2017 - nature.com
One of the long standing debates in actinide chemistry is the level of localization and
participation of the actinide 5 f valence orbitals in covalent bonds across the actinide series …

Transuranic computational chemistry

N Kaltsoyannis - Chemistry–A European Journal, 2018 - Wiley Online Library
Recent developments in the chemistry of the transuranic elements are surveyed, with
particular emphasis on computational contributions. Examples are drawn from molecular …

Ab initio study of covalency in the ground versus core-excited states and X-ray absorption spectra of actinide complexes

DC Sergentu, TJ Duignan… - The journal of physical …, 2018 - ACS Publications
Relativistic multireference ab initio wave function calculations within the restricted active
space (RAS) framework were performed to calculate metal and ligand X-ray absorption …

X-ray absorption spectra of f-element complexes: insight from relativistic multiconfigurational wavefunction theory

DC Sergentu, J Autschbach - Dalton Transactions, 2022 - pubs.rsc.org
X-ray absorption near edge structure (XANES) spectroscopy, coupled with ab initio
calculations, has emerged as the state-of-the-art tool for elucidating the metal-ligand …

Reliable Potential Energy Surfaces for the Reactions of H2O with ThO2, PaO2+, UO22+, and UO2+

M Vasiliu, KA Peterson, JK Gibson… - The Journal of Physical …, 2015 - ACS Publications
The potential energy surfaces for the reactions of H2O with ThO2, PaO2+, UO22+, and
UO2+ have been calculated at the coupled cluster CCSD (T) level extrapolated to the …

Organolanthanide Complexes Containing Ln–CH3 σ-bonds: Unexpectedly Similar Hydrolysis Rates for Trivalent and Tetravalent Organocerium

Z Shafi, JK Gibson - Inorganic Chemistry, 2023 - ACS Publications
We report the gas-phase preparation, isolation, and reactivity of a series of
organolanthanides featuring the Ln–CH3 bond. The complexes are formed by …

Abiotic reduction of uranium (VI) with humic acid at mineral surfaces: Competing mechanisms, ligand and substituent effects, and electronic structure and vibrational …

Q Wang, C Zhu, X Huang, G Yang - Environmental Pollution, 2019 - Elsevier
Abiotic reduction represents an attractive technology to control U (VI) contamination. In this
work, an abiotic route of U (VI) reduction with humic acid at mineral surfaces is proposed …

Covalency hinders AnO 2 (H 2 O)+→ AnO (OH) 2+ isomerisation (An= Pa–Pu)

N Kaltsoyannis - Dalton Transactions, 2016 - pubs.rsc.org
The enthalpies of the reactions AnO2+→ AnO++ O and AnO2++ H2O→ AnO2 (H2O)+, and
those of the isomerisation of the latter to AnO (OH) 2+, have been calculated for An= Pa–Pu …

Formation of Bare UO22+ and NUO+ by Fragmentation of Gas-Phase Uranyl–Acetonitrile Complexes

MJ Van Stipdonk, MC Michelini, A Plaviak… - The Journal of …, 2014 - ACS Publications
In a prior study [Van Stipdonk; et al. J. Phys. Chem. A 2006, 110, 959− 970], electrospray
ionization (ESI) was used to generate doubly charged complex ions composed of the uranyl …