Learn More about Gala Games including games, NFTs and Nodes.

Actinide chemistry using singlet-paired coupled cluster and its combinations with density functionals

Alejandro J. Garza, Ana G. Sousa Alencar, Gustavo E. Scuseria

Singlet-paired coupled cluster doubles (CCD0) is a simplification of CCD that relinquishes a fraction of dynamic correlation in order to be able to describe static correlation. Combinations of CCD0 with density functionals that recover specifically the dynamic correlation missing in the former have also been developed recently. Here, we assess the accuracy of CCD0 and CCD0+DFT (and variants of these using Brueckner orbitals) as compared to well-established quantum chemical methods for describing ground-state properties of singlet actinide molecules. The f0 actinyl series (UO2+2, NpO2+2, PuO2+2), the isoelectronic NUN, and Thorium (ThO, ThO2+) and Nobelium (NoO, NoO2) oxides are studied.

Chemical Physics (physics.chem-ph)
https://arxiv.org/abs/1510.05988

Posted

in

by

Tags:

Comments

Leave a Reply

Your email address will not be published. Required fields are marked *

NordVPN 2-years plan with 70% off for only $3.49/mo (30 days risk-free. Not satisfied? Get your money back, no questions asked.) Art Prints