Cold and ultracold molecules in the twenties

TP Softley - Proceedings of the Royal Society A, 2023 - royalsocietypublishing.org
A diversity of experimental techniques has been developed over the last 25 years to create
samples of molecular gases at temperatures close to the Absolute Zero—here we consider …

Cold trapped molecular ions and hybrid platforms for ions and neutral particles

M Deiß, S Willitsch, J Hecker Denschlag - Nature Physics, 2024 - nature.com
Recent years have seen the emergence of a new generation of collision and cold-chemistry
experiments in which cold atoms and ions are brought into contact in a controlled way in …

Capture theory models: An overview of their development, experimental verification, and applications to ion–molecule reactions

A Tsikritea, JA Diprose, TP Softley… - The Journal of Chemical …, 2022 - pubs.aip.org
Since Arrhenius first proposed an equation to account for the behavior of thermally activated
reactions in 1889, significant progress has been made in our understanding of chemical …

Collisional alignment and molecular rotation control the chemi-ionization of individual conformers of hydroquinone with metastable neon

L Ploenes, P Straňák, A Mishra, X Liu, J Pérez-Ríos… - Nature Chemistry, 2024 - nature.com
The relationship between the shape of a molecule and its chemical reactivity is a central
tenet in chemistry. However, the influence of the molecular geometry on reactivity can be …

Spatial and temporal detection of ions ejected from Coulomb crystals

JA Diprose, V Richardson, P Regan… - The Journal of …, 2024 - ACS Publications
Coulomb crystals have proven to be powerful and versatile tools for the study of ion–
molecule reactions under cold and controlled conditions. Reactions in Coulomb crystals are …

Trapping and sympathetic cooling of conformationally selected molecular ions

L Xu, J Toscano, S Willitsch - Physical Review Letters, 2024 - APS
We report the generation, trapping, and sympathetic cooling of individual conformers of
molecular ions with the example of cis-and trans-meta-aminostyrene. Following …

Conformational and state-specific effects in reactions of 2, 3-dibromobutadiene with Coulomb-crystallized calcium ions

A Kilaj, S Käser, J Wang, P Straňák… - Physical Chemistry …, 2023 - pubs.rsc.org
Recent advances in experimental methodology enabled studies of the quantum-state-and
conformational dependence of chemical reactions under precisely controlled conditions in …

The role of precursor states in the stereo-dynamics of elementary processes

S Falcinelli, D Cappelletti, F Vecchiocattivi… - Physical Chemistry …, 2023 - pubs.rsc.org
The present perspective review focuses on the role of the precursor state, controlling the
dynamical evolution of elementary processes, whose structure and stability are often difficult …

The topology of the reaction stereo-dynamics in chemi-ionizations

S Falcinelli, F Vecchiocattivi, F Pirani - Communications Chemistry, 2023 - nature.com
Details on the stereo-dynamic topology of chemi-ionizations highlight the role of the
centrifugal barrier of colliding reactants: it acts as a selector of the orbital quantum number …

Fragmentation of interstellar methanol by collisions with He˙+: an experimental and computational study

V Richardson, EVF de Aragão, X He, F Pirani… - Physical Chemistry …, 2022 - pubs.rsc.org
Methanol is a key species in astrochemistry as its presence and reactivity provides a primary
route to the synthesis of more complex interstellar organic molecules (iCOMs) that may …