Recent advances in wave function-based methods of molecular-property calculations

T Helgaker, S Coriani, P Jørgensen… - Chemical …, 2012 - ACS Publications
Our understanding of the electronic structure of molecules often comes from spectroscopic
investigations in which electromagnetic radiation is applied to a molecule and the scattering …

Simulating X-ray spectroscopies and calculating core-excited states of molecules

P Norman, A Dreuw - Chemical reviews, 2018 - ACS Publications
During the past decade, the research field of computational X-ray spectroscopy has
witnessed an advancement triggered by the development of advanced synchrotron light …

Benchmarking two-photon absorption cross sections: performance of CC2 and CAM-B3LYP

MTP Beerepoot, DH Friese, NH List… - Physical Chemistry …, 2015 - pubs.rsc.org
We investigate the performance of CC2 and TDDFT/CAM-B3LYP for the calculation of two-
photon absorption (TPA) strengths and cross sections and contrast our results to a recent …

Strong coupling between localized surface plasmons and molecules by coupled cluster theory

J Fregoni, TS Haugland, S Pipolo, T Giovannini… - Nano Letters, 2021 - ACS Publications
Plasmonic nanocavities enable the confinement of molecules and electromagnetic fields
within nanometric volumes. As a consequence, the molecules experience a remarkably …

Two-Photon Absorption Strengths of Small Molecules: Reference CC3 Values and Benchmarks

C Naim, R Zaleśny, D Jacquemin - Journal of Chemical Theory …, 2024 - ACS Publications
We present a large dataset of highly accurate two-photon transition strengths (δTPA)
determined for standard small molecules. Our reference values have been calculated using …

A perspective on nonresonant and resonant electronic response theory for time-dependent molecular properties

P Norman - Physical chemistry chemical physics, 2011 - pubs.rsc.org
The development of electronic response theory in quantum chemistry has been reviewed,
starting from the early 1970's and reaching the current state-of-the-art. The general theory …

How to stay out of trouble in RIXS calculations within equation-of-motion coupled-cluster damped response theory? Safe hitchhiking in the excitation manifold by …

KD Nanda, ML Vidal, R Faber, S Coriani… - Physical Chemistry …, 2020 - pubs.rsc.org
We present a novel approach for computing resonant inelastic X-ray scattering (RIXS) cross
sections within the equation-of-motion coupled-cluster (EOM-CC) framework. The approach …

[HTML][HTML] Two-photon absorption cross sections within equation-of-motion coupled-cluster formalism using resolution-of-the-identity and Cholesky decomposition …

KD Nanda, AI Krylov - The Journal of chemical physics, 2015 - pubs.aip.org
The equation-of-motion coupled-cluster (EOM-CC) methods provide a robust description of
electronically excited states and their properties. Here, we present a formalism for two …

Core–valence-separated coupled-cluster-singles-and-doubles complex-polarization-propagator approach to X-ray spectroscopies

R Faber, S Coriani - Physical Chemistry Chemical Physics, 2020 - pubs.rsc.org
The iterative subspace algorithm to solve the complex linear response equation of damped
coupled cluster response theory presented, up to CCSD level, by Kauczor et al., J. Chem …

Cherry-picking resolvents: Recovering the valence contribution in X-ray two-photon absorption within the core–valence-separated equation-of-motion coupled-cluster …

JH Andersen, KD Nanda, AI Krylov… - Journal of Chemical …, 2022 - ACS Publications
Calculations of first-order response wave functions in the X-ray regime often diverge within
correlated frameworks such as equation-of-motion coupled-cluster singles and doubles …