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 …

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 …

Probing the critical dipole moment to support excited dipole-bound states in valence-bound anions

CH Qian, GZ Zhu, LS Wang - The journal of physical chemistry …, 2019 - ACS Publications
We report photodetachment spectroscopy and high-resolution photoelectron imaging of
para-halogen substituted phenoxide anions, p-XC6H4O–(X= F, Cl, Br, I). The dipole …

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 …

On the stability of a dipole-bound state in the presence of a molecule

ME Castellani, CS Anstöter, JRR Verlet - Physical Chemistry Chemical …, 2019 - pubs.rsc.org
Dipole-bound states (DBSs) are diffuse non-valence molecular orbitals of anions where the
electron is bound by the permanent dipole moment of the neutral core. Here, an …

Resonant two-photon photoelectron imaging and intersystem crossing from excited dipole-bound states of cold anions

GZ Zhu, LF Cheung, Y Liu, CH Qian… - The Journal of Physical …, 2019 - ACS Publications
We report the observation of a dipole-bound state (DBS) 659 cm–1 below the electron
detachment threshold of cryogenically cooled deprotonated 4, 4′-biphenol anion (bPh–) …

Observation of a core-excited dipole-bound state∼ 1 eV above the electron detachment threshold in cryogenically cooled acetylacetonate

RA Jara-Toro, MI Taccone, J Dezalay… - The Journal of …, 2024 - pubs.aip.org
Dipole-bound states in anions exist when a polar neutral core binds an electron in a diffuse
orbital through charge–dipole interaction. Electronically excited polar neutral cores can also …

Polarization of valence orbitals by the intramolecular electric field from a diffuse dipole-bound electron

DF Yuan, Y Liu, CH Qian, GS Kocheril… - The Journal of …, 2020 - ACS Publications
The diffuse electron in a dipole-bound state is spatially well separated from the valence
electrons and is known to have negligible effects on the dipole-bound state's molecular …

[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 …

Observation and exploitation of spin–orbit excited dipole-bound states in ion–molecule clusters

W Cao, H Zhang, Q Yuan, X Zhou… - The Journal of …, 2021 - ACS Publications
We report an observation of spin–orbit excited dipole-bound states (DBSs) in arginine–
iodide complexes (Arg· I–) by using temperature-dependent, wavelength-resolved “iodide …