Current density and molecular magnetic properties

D Sundholm, M Dimitrova, RJF Berger - Chemical Communications, 2021 - pubs.rsc.org
We give an overview of the molecular response to an external magnetic field perturbing
quantum mechanical systems. We present state-of-the-art methods for calculating …

Vibrational spectroscopy by means of first‐principles molecular dynamics simulations

E Ditler, S Luber - Wiley Interdisciplinary Reviews …, 2022 - Wiley Online Library
Vibrational spectroscopy is one of the most important experimental techniques for the
characterization of molecules and materials. Spectroscopic signatures retrieved in …

Main and satellite features in the Ni 2p XPS of NiO

PS Bagus, CJ Nelin, CR Brundle, BV Crist… - Inorganic …, 2022 - ACS Publications
The origin and assignment of the complex main and satellite X-ray photoelectron
spectroscopy (XPS) features of the cations in ionic compounds have been the subject of …

A perspective on sustainable computational chemistry software development and integration

R Di Felice, ML Mayes, RM Richard… - Journal of chemical …, 2023 - ACS Publications
The power of quantum chemistry to predict the ground and excited state properties of
complex chemical systems has driven the development of computational quantum chemistry …

Observation of an inner-shell orbital clock transition in neutral ytterbium atoms

T Ishiyama, K Ono, T Takano, A Sunaga… - Physical Review Letters, 2023 - APS
We observe a weakly allowed optical transition of atomic ytterbium from the ground state to
the metastable state 4 f 13 5 d 6 s 2 (J= 2) for all five bosonic and two fermionic isotopes with …

[HTML][HTML] Exact two-component theory becoming an efficient tool for NMR shieldings and shifts with spin–orbit coupling

YJ Franzke, C Holzer - The Journal of Chemical Physics, 2023 - pubs.aip.org
We present a gauge-origin invariant exact two-component (X2C) approach within a modern
density functional framework, supporting meta-generalized gradient approximations such as …

Deformation versus sphericity in the ground states of the lightest gold isotopes

JG Cubiss, AN Andreyev, AE Barzakh, P Van Duppen… - Physical review …, 2023 - APS
The changes in mean-squared charge radii of neutron-deficient gold nuclei have been
determined using the in-source, resonance-ionization laser spectroscopy technique, at the …

Relativistic coupled‐cluster and equation‐of‐motion coupled‐cluster methods

J Liu, L Cheng - Wiley Interdisciplinary Reviews: Computational …, 2021 - Wiley Online Library
The development of relativistic coupled‐cluster (CC) and equation‐of‐motion coupled‐
cluster (EOM‐CC) methods is reviewed. An emphasis is placed on recent efforts to improve …

4-component relativistic Hamiltonian with effective QED potentials for molecular calculations

A Sunaga, M Salman, T Saue - The Journal of Chemical Physics, 2022 - pubs.aip.org
We report the implementation of effective quantum electrodynamics (QED) potentials for all-
electron four-component relativistic molecular calculations using the DIRAC code. The …

[HTML][HTML] Current density functional framework for spin–orbit coupling

C Holzer, YJ Franzke, A Pausch - The Journal of Chemical Physics, 2022 - pubs.aip.org
Relativistic two-component density functional calculations are carried out in a non-collinear
formalism to describe spin–orbit interactions, where the exchange–correlation functional is …