The D alton quantum chemistry program system

K Aidas, C Angeli, KL Bak, V Bakken… - Wiley …, 2014 - Wiley Online Library
Dalton is a powerful general‐purpose program system for the study of molecular electronic
structure at the H artree–F ock, K ohn–S ham, multiconfigurational self‐consistent‐field, M …

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 …

Real-time time-dependent electronic structure theory

X Li, N Govind, C Isborn, AE DePrince III… - Chemical …, 2020 - ACS Publications
Real-time electronic structure methods provide an unprecedented view of electron dynamics
and ultrafast spectroscopy on the atto-and femtosecond time scale with vast potential to yield …

The Chronus quantum software package

DB Williams‐Young, A Petrone, S Sun… - Wiley …, 2020 - Wiley Online Library
Abstract The Chronus Quantum (ChronusQ) software package is an open source (under the
GNU General Public License v2) software infrastructure which targets the solution of …

A density matrix-based quasienergy formulation of the Kohn–Sham density functional response theory using perturbation-and time-dependent basis sets

AJ Thorvaldsen, K Ruud, K Kristensen… - The Journal of …, 2008 - pubs.aip.org
A general method is presented for the calculation of molecular properties to arbitrary order at
the Kohn–Sham density functional level of theory. The quasienergy and Lagrangian …

An ab initio linear response method for computing magnetic circular dichroism spectra with nonperturbative treatment of magnetic field

S Sun, D Williams-Young, X Li - Journal of Chemical Theory and …, 2019 - ACS Publications
Magnetic circular dichroism (MCD) experiments provide a sensitive tool for exploring
geometric, magnetic, and electronic properties of chemical complexes and condensed …

Simulating magnetic circular dichroism spectra with real-time time-dependent density functional theory in gauge including atomic orbitals

S Sun, RA Beck, D Williams-Young… - Journal of Chemical …, 2019 - ACS Publications
Magnetic circular dichroism (MCD) spectra are able to provide insights into the geometric,
electronic, and magnetic properties of chemical systems. However, they can be challenging …

The ab initio calculation of molecular electric, magnetic and geometric properties

R Bast, U Ekström, B Gao, T Helgaker… - Physical Chemistry …, 2011 - pubs.rsc.org
We give an account of some recent advances in the development of ab initio methods for the
calculation of molecular response properties, involving electric, magnetic, and geometric …

Relative Stability of the La and Lb Excited States in Adenine and Guanine: Direct Evidence from TD-DFT Calculations of MCD Spectra

F Santoro, R Improta, T Fahleson… - The Journal of …, 2014 - ACS Publications
The relative position of La and Lb ππ* electronic states in purine nucleobases is a much
debated topic, since it can strongly affect our understanding of their photoexcited dynamics …

Molecular response properties from a Hermitian eigenvalue equation for a time-periodic Hamiltonian

F Pawłowski, J Olsen, P Jørgensen - The Journal of Chemical Physics, 2015 - pubs.aip.org
The time-dependent Schrödinger equation for a time-periodic perturbation is recasted into a
Hermitian eigenvalue equation, where the quasi-energy is an eigenvalue and the time …