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 …

Time‐dependent coupled‐cluster theory

B Sverdrup Ofstad, E Aurbakken… - Wiley …, 2023 - Wiley Online Library
Recent years have witnessed an increasing interest in time‐dependent coupled‐cluster
(TDCC) theory for simulating laser‐driven electronic dynamics in atoms and molecules, and …

Ab initio calculation of molecular chiroptical properties

TD Crawford - Theoretical Chemistry Accounts, 2006 - Springer
This review describes the first-principles calculation of chiroptical properties such as optical
rotation, electronic and vibrational circular dichroism, and Raman optical activity. Recent …

The Current State of Ab Initio Calculations of Optical Rotation and Electronic Circular Dichroism Spectra

TD Crawford, MC Tam, ML Abrams - The Journal of Physical …, 2007 - ACS Publications
The current ability of ab initio models to compute chiroptical properties such as optical
rotatory dispersion and electronic circular dichroism spectra is reviewed. Comparison …

[HTML][HTML] Communication: Time-dependent optimized coupled-cluster method for multielectron dynamics

T Sato, H Pathak, Y Orimo, KL Ishikawa - The Journal of chemical …, 2018 - pubs.aip.org
Time-dependent coupled-cluster method with time-varying orbital functions, called time-
dependent optimized coupled-cluster (TD-OCC) method, is formulated for multielectron …

Symplectic integration and physical interpretation of time-dependent coupled-cluster theory

TB Pedersen, S Kvaal - The Journal of chemical physics, 2019 - pubs.aip.org
The formulation of the time-dependent Schrödinger equation in terms of coupled-cluster
theory is outlined, with emphasis on the bivariational framework and its classical …

Quantum chemical approaches to the calculation of NMR parameters: From fundamentals to recent advances

IL Rusakova - Magnetochemistry, 2022 - mdpi.com
Quantum chemical methods for the calculation of indirect NMR spin–spin coupling constants
and chemical shifts are always in progress. They never stay the same due to permanently …

Quadratically convergent algorithm for orbital optimization in the orbital-optimized coupled-cluster doubles method and in orbital-optimized second-order Møller …

U Bozkaya, JM Turney, Y Yamaguchi… - The Journal of …, 2011 - pubs.aip.org
Using a Lagrangian-based approach, we present a more elegant derivation of the equations
necessary for the variational optimization of the molecular orbitals (MOs) for the coupled …

Coupled cluster calculations of optical rotatory dispersion of (S)-methyloxirane

MC Tam, NJ Russ, TD Crawford - The Journal of chemical physics, 2004 - pubs.aip.org
Coupled cluster (CC) and density-functional theory (DFT) calculations of optical rotation,[α]
λ, have been carried out for the difficult case of (S)-methyloxirane for comparison to recently …

The ab initio calculation of optical rotation and electronic circular dichroism

M Pecul, K Ruud - Advances in quantum chemistry, 2005 - Elsevier
We review the theory of the lowest-order manifestations of natural optical activity: optical
rotation (OR) and electronic circular dichroism (ECD), and discuss the applications of …