Advanced quantum and semiclassical methods for simulating photoinduced molecular dynamics and spectroscopy

S Faraji, D Picconi… - Wiley Interdisciplinary …, 2024 - Wiley Online Library
Molecular‐level understanding of photoinduced processes is critically important for
breakthroughs in transformative technologies utilizing light, ranging from photomedicine to …

Perspective on Theoretical and Experimental Advances in Atmospheric Photochemistry

BFE Curchod, AJ Orr-Ewing - The Journal of Physical Chemistry A, 2024 - ACS Publications
Research that explores the chemistry of Earth's atmosphere is central to the current
understanding of global challenges such as climate change, stratospheric ozone depletion …

Partial density of states representation for accurate deep neural network predictions of x-ray spectra

C Middleton, BFE Curchod, TJ Penfold - Physical Chemistry Chemical …, 2024 - pubs.rsc.org
The performance of a machine learning (ML) algorithm for chemistry is highly contingent
upon the architect's choice of input representation. This work introduces the partial density of …

[HTML][HTML] Predicting the photodynamics of cyclobutanone triggered by a laser pulse at 200 nm and its MeV-UED signals—A trajectory surface hop** and XMS …

J Janoš, JP Figueira Nunes, D Hollas… - The Journal of …, 2024 - pubs.aip.org
This work is part of a prediction challenge that invited theoretical/computational chemists to
predict the photochemistry of cyclobutanone in the gas phase, excited at 200 nm by a laser …

Selecting Initial Conditions for Trajectory-Based Nonadiabatic Simulations

J Janoš, P Slavíček… - Accounts of Chemical …, 2025 - ACS Publications
Conspectus Photochemical reactions have always been the source of a great deal of
mystery. While classified as a type of chemical reaction, no doubts are allowed that the …

Photofragmentation of cyclobutanone at 200 nm: TDDFT vs CASSCF electron diffraction

A Martín Santa Daría… - The Journal of …, 2024 - pubs.aip.org
To simulate a 200 nm photoexcitation in cyclobutanone to the n-3s Rydberg state, classical
trajectories were excited from a Wigner distribution to the singlet state manifold based on …

Ultrafast structural dynamics of UV photoexcited cis, cis-1, 3-cyclooctadiene observed with time-resolved electron diffraction

SB Muvva, Y Liu, P Chakraborty, JPF Nunes… - Physical Chemistry …, 2025 - pubs.rsc.org
Conjugated diene molecules are highly reactive upon photoexcitation and can relax through
multiple reaction channels that depend on the position of the double bonds and the degree …

[HTML][HTML] The photochemistry of Rydberg-excited cyclobutanone: Photoinduced processes and ground state dynamics

J Eng, CD Rankine, TJ Penfold - The Journal of Chemical Physics, 2024 - pubs.aip.org
Owing to ring strain, cyclic ketones exhibit complex excited state dynamics with multiple
competing photochemical channels active on the ultrafast timescale. While the excited state …

Electronic structure of 2 (5H)-thiophenone studied by UPS and soft x-ray spectroscopy

O Plekan, A Ponzi, C Grazioli, M Coreno… - Journal of Physics B …, 2024 - iopscience.iop.org
The electronic structure of 2 (5H)-thiophenone in the gas phase was investigated by
ultraviolet photoelectron spectroscopy and x-ray photoemission spectroscopy (XPS) and …

An atom-by-atom view of a photochemical ring opening reaction

D Rolles, E Wang, S Bhattacharyya, K Chen, K Borne… - 2024 - researchsquare.com
Photoinduced transformations of organic ring molecules play a crucial role in numerous
physical, chemical and biological processes, ranging from biosynthesis of vitamin D to …