Machine learning for electronically excited states of molecules

J Westermayr, P Marquetand - Chemical Reviews, 2020 - ACS Publications
Electronically excited states of molecules are at the heart of photochemistry, photophysics,
as well as photobiology and also play a role in material science. Their theoretical description …

Ultrafast electron diffraction: Visualizing dynamic states of matter

D Filippetto, P Musumeci, RK Li, BJ Siwick… - Reviews of Modern …, 2022 - APS
Since the discovery of electron-wave duality, electron scattering instrumentation has
developed into a powerful array of techniques for revealing the atomic structure of matter …

Step-by-step state-selective tracking of fragmentation dynamics of water dications by momentum imaging

T Severt, ZL Streeter, W Iskandar, KA Larsen… - Nature …, 2022 - nature.com
The double photoionization of a molecule by one photon ejects two electrons and typically
creates an unstable dication. Observing the subsequent fragmentation products in …

Unsupervised Machine Learning in the Analysis of Nonadiabatic Molecular Dynamics Simulation

Y Zhu, J Peng, C Xu, Z Lan - The Journal of Physical Chemistry …, 2024 - ACS Publications
The all-atomic full-dimensional-level simulations of nonadiabatic molecular dynamics
(NAMD) in large realistic systems has received high research interest in recent years …

Directly imaging excited state-resolved transient structures of water induced by valence and inner-shell ionisation

Z Wang, X Hu, X Xue, S Zhou, X Li, Y Yang… - Nature …, 2023 - nature.com
Real-time imaging of transient structure of the electronic excited state is fundamentally
critical to understand and control ultrafast molecular dynamics. The ejection of electrons …

Observing the structural evolution in the photodissociation of diiodomethane with femtosecond solution X-ray scattering

MR Panman, E Biasin, O Berntsson, M Hermann… - Physical Review Letters, 2020 - APS
Resolving the structural dynamics of the initial steps of chemical reactions is challenging.
We report the femtosecond time-resolved wide-angle x-ray scattering of the …

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 …

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 …

[HTML][HTML] An assessment of different electronic structure approaches for modeling time-resolved x-ray absorption spectroscopy

S Tsuru, ML Vidal, M Pápai, AI Krylov, KB Møller… - Structural …, 2021 - pubs.aip.org
We assess the performance of different protocols for simulating excited-state x-ray
absorption spectra. We consider three different protocols based on equation-of-motion …

[HTML][HTML] Prediction through quantum dynamics simulations: Photo-excited cyclobutanone

O Bennett, A Freibert, KE Spinlove… - The Journal of Chemical …, 2024 - pubs.aip.org
Quantum dynamics simulations are becoming a standard tool for simulating photo-excited
molecular systems involving a manifold of coupled states, known as non-adiabatic …