Probing Dipole-Bound States Using Photodetachment Spectroscopy and Resonant Photoelectron Imaging of Cryogenically Cooled Anions

YR Zhang, DF Yuan, LS Wang - The Journal of Physical Chemistry …, 2023 - ACS Publications
Molecular anions with polar neutral cores can support highly diffuse dipole-bound states
below their detachment thresholds due to the long-range charge–dipole interaction. Such …

On the performance of second-order approximate coupled-cluster singles and doubles methods for non-valence anions

GP Paran, C Utku, TC Jagau - Physical Chemistry Chemical Physics, 2024 - pubs.rsc.org
We investigate the capability of several variants of the second-order approximate coupled-
cluster singles and doubles (CC2) method to describe dipole-bound, quadrupole-bound …

Observation of an excited dipole-bound state in a diatomic anion

Y Lu, R Tang, C Ning - The Journal of Physical Chemistry Letters, 2021 - ACS Publications
We report the observation of σ-type and π-type excited dipole-bound states (DBSs) in
cryogenically cooled potassium iodide (KI) anions for the first time. Two DBSs were …

Probing the Strong Nonadiabatic Interactions in the Triazolyl Radical Using Photodetachment Spectroscopy and Resonant Photoelectron Imaging of Cryogenically …

YR Zhang, DF Yuan, LS Wang - Journal of the American Chemical …, 2022 - ACS Publications
Although the adiabatic potential energy surfaces defined by the Born-Oppenheimer
approximation are the cornerstones for understanding the electronic structure and …

Velocity Map Imaging Spectroscopy of the Dipole-Bound State of CH2CN: Implications for the Diffuse Interstellar Bands

BA Laws, ZD Levey, TW Schmidt… - Journal of the American …, 2021 - ACS Publications
Weakly bound anionic systems present a new domain for negative ion spectroscopy. Here
we report on a multifaceted study of the CH2CN–dipole-bound state, employing high …

Dipole-bound state, photodetachment spectroscopy, and resonant photoelectron imaging of cryogenically-cooled 2-cyanopyrrolide

DF Yuan, YR Zhang, LS Wang - The Journal of Physical Chemistry …, 2022 - ACS Publications
Valence-bound anions with polar neutral cores can have diffuse dipole-bound excited states
just below the electron detachment threshold. Because of the similarity in geometry and …

Observation of core-excited dipole-bound states

YR Zhang, DF Yuan, LS Wang - The Journal of Physical Chemistry …, 2022 - ACS Publications
Polar molecules can bind an electron in a diffuse orbital due to the charge-dipole interaction.
Electronic excited states of polar molecules can also bind an electron to form core-excited …

Probing the electronic structure and spectroscopy of pyrrolyl and imidazolyl radicals using high-resolution photoelectron imaging of cryogenically cooled anions

YR Zhang, DF Yuan, LS Wang - Physical Chemistry Chemical Physics, 2022 - pubs.rsc.org
High-resolution photoelectron imaging and photodetachment spectroscopy of cryogenically
cooled pyrrolide and imidazolide anions are used to probe the electronic structure and …

Electron-Binding Dynamics of the Dipole-Bound State: Correlation Effect on the Autodetachment Dynamics

DH Kang, KH Cho, J Kim, HJ Eun… - Journal of the …, 2023 - ACS Publications
The nature of the electron-binding forces in the dipole-bound states (DBS) of anions is
interrogated through experimental and theoretical means by investigating the …

[HTML][HTML] Observation of a dipole-bound excited state in 4-ethynylphenoxide and comparison with the quadrupole-bound excited state in the isoelectronic 4 …

YR Zhang, DF Yuan, CH Qian, LS Wang - The Journal of Chemical …, 2021 - pubs.aip.org
Negative ions do not possess Rydberg states but can have Rydberg-like nonvalence excited
states near the electron detachment threshold, including dipole-bound states (DBSs) and …