Ultrafast molecular movies: Probing chemical dynamics with femtosecond electron and X-ray diffraction

Q Wang, L Yun, J Yang - CCS Chemistry, 2024 - chinesechemsoc.org
Understanding the process of chemical reactions has always been a relentless pursuit for
chemists. The development of femtosecond pump-probe techniques since the 1980s has …

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 …

Extending GPU-accelerated Gaussian integrals in the TeraChem software package to f type orbitals: Implementation and applications

Y Wang, D Hait, KG Johnson, OJ Fajen… - The Journal of …, 2024 - pubs.aip.org
The increasing availability of graphics processing units (GPUs) for scientific computing has
prompted interest in accelerating quantum chemical calculations through their use …

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 …, 2024 - 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 …

Prediction challenge: First principles simulation of the ultrafast electron diffraction spectrum of cyclobutanone

J Suchan, F Liang, AS Durden… - The Journal of Chemical …, 2024 - pubs.aip.org
Computer simulation has long been an essential partner of ultrafast experiments, allowing
the assignment of microscopic mechanistic detail to low-dimensional spectroscopic data …

Investigating dissociation pathways of nitrobenzene via mega-electron-volt ultrafast electron diffraction

K Hegazy, J Cryan, R Li, MF Lin, B Moore… - arXiv preprint arXiv …, 2023 - arxiv.org
As the simplest nitroaromatic compound, nitrobenzene is an interesting model system to
explore the rich photochemistry of nitroaromatic compounds. Previous measurements of …

Simulating ultrafast transient absorption spectra from first principles using a time-dependent configuration interaction probe

A Mehmood, MC Silfies, AS Durden… - The Journal of …, 2024 - pubs.aip.org
Transient absorption spectroscopy (TAS) is among the most common ultrafast
photochemical experiments, but its interpretation remains challenging. In this work, we …

Tracking dissociation pathways of nitrobenzene via mega-electron-volt ultrafast electron diffraction

K Hegazy, P Bucksbaum, M Centurion… - Journal of Physics B …, 2024 - iopscience.iop.org
As the simplest nitroaromatic compound, nitrobenzene is an interesting model system to
explore the rich photochemistry of nitroaromatic compounds. Previous investigations of …

Time-resolved x-ray scattering of excited state structure and dynamics

H Yong, A Kirrander, PM Weber - 2023 - books.rsc.org
Directly observing atomic motions in molecules during chemical dynamics has long
constituted one of the grand challenges in chemistry. 1 The emergence of X-ray free …

Pushing the limits of ultrafast diffraction: Imaging quantum coherences in isolated molecules

Z Tang, R Jarupula, H Yong - Iscience, 2024 - cell.com
Quantum coherence governs the outcome and efficiency of photochemical reactions and
ultrafast molecular dynamics. Recent ultrafast gas-phase X-ray scattering and electron …