Ultrafast photoinduced dynamics of 1, 3-cyclohexadiene using XMS-CASPT2 surface hop**

I Polyak, L Hutton, R Crespo-Otero… - Journal of chemical …, 2019 - ACS Publications
A full-dimensional simulation of the photodissociation of 1, 3-cyclohexadiene in the manifold
of three electronic states was performed via nonadiabatic surface hop** dynamics using …

[HTML][HTML] Ultrafast x-ray and electron scattering of free molecules: A comparative evaluation

L Ma, H Yong, JD Geiser, A Moreno Carrascosa… - Structural …, 2020 - pubs.aip.org
Resolving gas phase molecular motions with simultaneous spatial and temporal resolution
is rapidly coming within the reach of x-ray Free Electron Lasers (XFELs) and Mega-electron …

Nonadiabatic dynamics of 1, 3-cyclohexadiene by curvature-driven coherent switching with decay of mixing

L Zhang, Y Shu, S Bhaumik, X Chen… - Journal of Chemical …, 2022 - ACS Publications
The photoinduced ring-opening reaction of 1, 3-cyclohexadiene to produce 1, 3, 5-
hexatriene is a classic electrocyclic reaction and is also a prototype for many reactions of …

Multichannel photodissociation dynamics in CS 2 studied by ultrafast electron diffraction

WO Razmus, K Acheson, P Bucksbaum… - Physical Chemistry …, 2022 - pubs.rsc.org
The structural dynamics of photoexcited gas-phase carbon disulfide (CS2) molecules are
investigated using ultrafast electron diffraction. The dynamics were triggered by excitation of …

Using a multistate map** approach to surface hop** to predict the ultrafast electron diffraction signal of gas-phase cyclobutanone

L Hutton, A Moreno Carrascosa, AW Prentice… - The Journal of …, 2024 - pubs.aip.org
Using the recently developed multistate map** approach to surface hop** (multistate
MASH) method combined with SA (3)-CASSCF (12, 12)/aug-cc-pVDZ electronic structure …

Robust inversion of time-resolved data via forward-optimization in a trajectory basis

K Acheson, A Kirrander - Journal of Chemical Theory and …, 2023 - ACS Publications
An inversion method for time-resolved data from ultrafast experiments is introduced, based
on forward-optimization in a trajectory basis. The method is applied to experimental data …

Automatic Clustering of Excited-State Trajectories: Application to Photoexcited Dynamics

K Acheson, A Kirrander - Journal of Chemical Theory and …, 2023 - ACS Publications
We introduce automatic clustering as a computationally efficient tool for classifying and
interpreting trajectories from simulations of photo-excited dynamics. Trajectories are treated …

Ultrafast ring-opening reaction of 1, 3-cyclohexadiene: identification of nonadiabatic pathway via doubly excited state

S Karashima, A Humeniuk, R Uenishi… - Journal of the …, 2021 - ACS Publications
The photoinduced ring-opening reaction of 1, 3-cyclohexadiene (CHD) to produce 1, 3, 5-
hexatriene (HT) plays an essential role in the photobiological synthesis of vitamin D3 in the …

Ehrenfest methods for electron and nuclear dynamics

A Kirrander, M Vacher - Quantum Chemistry and Dynamics of …, 2020 - Wiley Online Library
Rapid advances in ultrafast experiments have contributed to the rise of trajectory‐based
methods for describing nonadiabatic dynamics of molecular systems. In the present Chapter …

Heavy Rydberg and ion-pair states: chemistry, spectroscopy and theory

RJ Donovan, A Kirrander, KP Lawley - International Reviews in …, 2022 - Taylor & Francis
Recent advances in our knowledge of heavy Rydberg and ion-pair states are critically
reviewed, with emphasis placed on the close kinship between the two. Heavy Rydberg …