A mountaineering strategy to excited states: Highly accurate energies and benchmarks for medium sized molecules

PF Loos, F Lipparini, M Boggio-Pasqua… - Journal of Chemical …, 2020 - ACS Publications
Following our previous work focusing on compounds containing up to 3 non-hydrogen
atoms [J. Chem. Theory Comput. 2018, 14, 4360–4379], we present here highly accurate …

Assessing the performances of CASPT2 and NEVPT2 for vertical excitation energies

R Sarkar, PF Loos, M Boggio-Pasqua… - Journal of Chemical …, 2022 - ACS Publications
Methods able to simultaneously account for both static and dynamic electron correlations
have often been employed, not only to model photochemical events but also to provide …

Quantum mechanical determination of atomic polarizabilities of ionic liquids

E Heid, A Szabadi, C Schröder - Physical Chemistry Chemical Physics, 2018 - pubs.rsc.org
The distribution of a molecule's polarizability to individual atomic sites is inevitable to
develop accurate polarizable force fields. We present the direct quantum mechanical …

Exploring Norrish type I and type II reactions: an ab initio mechanistic study highlighting singlet-state mediated chemistry

B Marchetti, TNV Karsili, MNR Ashfold - Physical Chemistry Chemical …, 2019 - pubs.rsc.org
Norrish reactions are important photo-induced reactions in mainstream organic chemistry
and are implicated in many industrially and biologically relevant processes and in the …

[HTML][HTML] Static polarizabilities for excited states within the spin-conserving and spin-flipping equation-of-motion coupled-cluster singles and doubles formalism: Theory …

KD Nanda, AI Krylov - The Journal of Chemical Physics, 2016 - pubs.aip.org
We present the theory and implementation for calculating static polarizabilities within the
equation-of-motion coupled-cluster singles and doubles (EOM-CCSD) framework for …

Solvatochromic Shifts in UV–Vis Absorption Spectra: The Challenging Case of 4-Nitropyridine N-Oxide

S Budzak, AD Laurent, C Laurence… - Journal of Chemical …, 2016 - ACS Publications
4-Nitropyridine N-oxide is a well-known molecular probe for which the experimental UV/vis
absorption spectrum has been measured in a large number of solvents. Previous …

Evaluating excited state atomic polarizabilities of chromophores

E Heid, PA Hunt, C Schröder - Physical Chemistry Chemical Physics, 2018 - pubs.rsc.org
Ground and excited state dipoles and polarizabilities of the chromophores N-methyl-6-
oxyquinolinium betaine (MQ) and coumarin 153 (C153) in solution have been evaluated …

A simple semiempirical model for the static polarizability of electronically excited atoms and molecules

AS Sharipov, AV Pelevkin, BI Loukhovitski - Chinese Physics B, 2023 - iopscience.iop.org
We present a semiempirical analytical model for the static polarizability of electronically
excited atoms and molecules, which requires very few readily accessible input data …

Complex excited state polarizabilities in the ADC/ISR framework

M Scheurer, T Fransson, P Norman, A Dreuw… - The Journal of …, 2020 - pubs.aip.org
We present the derivation and implementation of complex, frequency-dependent
polarizabilities for excited states using the algebraic–diagrammatic construction for the …

Echo-assisted impulsive alignment of room-temperature acetone molecules

J Ma, LH Coudert, F Billard, M Bournazel, B Lavorel… - Physical Review …, 2021 - APS
We experimentally and theoretically investigate the field-free alignment of the asymmetric-
top acetone molecule. Our study shows that the production of postpulse aligned molecules …