Dynamics of anions: from bound to unbound states and everything In between

CJ Clarke, JRR Verlet - Annual Review of Physical Chemistry, 2024 - annualreviews.org
Gas-phase anions present an ideal playground for the exploration of excited-state dynamics.
They offer control in terms of the mass, extent of solvation, internal temperature, and …

State-specific chemical dynamics of the nonvalence bound state of the molecular anions

DH Kang, J Kim, HJ Eun, SK Kim - Accounts of Chemical …, 2022 - ACS Publications
Conspectus Nonvalence bound states (NBS) are anionic states where the excess electron is
extremely loosely bound to the neutral core through long-range potentials. In contrast to the …

Mode-specific vibrational autodetachment following excitation of electronic resonances by electrons and photons

CS Anstöter, G Mensa-Bonsu, P Nag, M Ranković… - Physical Review Letters, 2020 - APS
Electronic resonances commonly decay via internal conversion to vibrationally hot anions
and subsequent statistical electron emission. We observed vibrational structure in such an …

Real-time autodetachment dynamics of vibrational Feshbach resonances in a dipole-bound state

DH Kang, S An, SK Kim - Physical Review Letters, 2020 - APS
Feshbach resonances corresponding to metastable vibrational states of the dipole-bound
state (DBS) have been interrogated in real time for the first time. The state-specific …

Ultrafast valence to non-valence excited state dynamics in a common anionic chromophore

JN Bull, CS Anstöter, JRR Verlet - Nature Communications, 2019 - nature.com
Non-valence states in neutral molecules (Rydberg states) have well-established roles and
importance in photochemistry, however, considerably less is known about the role of non …

High-resolution photoelectron imaging and resonant photoelectron spectroscopy via noncovalently bound excited states of cryogenically cooled anions

GZ Zhu, LS Wang - Chemical Science, 2019 - pubs.rsc.org
Valence-bound anions with polar neutral cores (μ>∼ 2.5 D) can support dipole-bound
excited states below the detachment threshold. These dipole-bound states (DBSs) are …

Experimental observation of the resonant doorways to anion chemistry: dynamic role of dipole-bound Feshbach resonances in dissociative electron attachment

DH Kang, J Kim, HJ Eun, SK Kim - Journal of the American …, 2022 - ACS Publications
Anion chemical dynamics of autodetachment and fragmentation mediated by the dipole-
bound state (DBS) have been thoroughly investigated in a state-specific way by employing …

Role of nonvalence states in the ultrafast dynamics of isolated anions

JRR Verlet, CS Anstoter, JN Bull… - The Journal of Physical …, 2020 - ACS Publications
Nonvalence states of neutral molecules (Rydberg states) play important roles in
nonadiabatic dynamics of excited states. In anions, such nonadiabatic transitions between …

Reaction dynamics of the nonvalence bound states of the anions

DH Kang, SK Kim - Chemical Physics Reviews, 2024 - pubs.aip.org
Nonvalence bound state (NBS) is a unique anionic state where an excess electron is loosely
bound to a neutral molecule in long-range potentials. Since Fermi and Teller first proposed …

Observation and ultrafast dynamics of a nonvalence correlation-bound state of an anion

JN Bull, JRR Verlet - Science Advances, 2017 - science.org
Nonvalence states of molecular anions play key roles in processes, such as electron
mobility, in rare-gas liquids, radiation-induced damage to DNA, and the formation of anions …