Interstellar anions: the role of quantum chemistry

RC Fortenberry - The Journal of Physical Chemistry A, 2015 - ACS Publications
Six anions have been conclusively detected in the interstellar medium (ISM). They all arrived
within a five-year window ending five years ago. Why have no new anions been detected? It …

Additional diffuse functions in basis sets for dipole-bound excited states of anions

WJ Morgan, RC Fortenberry - Theoretical Chemistry Accounts, 2015 - Springer
The existence of dipole-bound excited states has largely been shown by previous
computation through the use of the standard LCAO-MO creation with numerous and diffuse …

Zwitterion vs neutral structures of amino acids stabilized by a negatively charged site: infrared photodissociation and computations of proline–chloride anion

J Schmidt, SR Kass - The Journal of Physical Chemistry A, 2013 - ACS Publications
Infrared photodissociation (IRPD) spectra are reported for a proline–chloride anion cluster
along with its d 2-and d 7-isotopomers. The spectral data indicate that proline is in its neutral …

Valence-, Dipole-and Quadropole-Bound Electronically Excited States of Closed-Shell Anions Formed by Deprotonation of Cyano-and Ethynyl-Disubstituted …

ME Strauss, TJ Santaloci, RC Fortenberry - Chemistry, 2022 - mdpi.com
Dicyano-functionalized benzene and naphthalene anion derivatives exhibit a relatively rich
population of electronically excited states in stark contrast to many assumptions regarding …

Uridine derivatives from the seeds of Lepidium apetalum Willd. and their estrogenic effects

M Li, M Zeng, Z Zhang, J Zhang, B Zhang, X Zhao… - Phytochemistry, 2018 - Elsevier
Ten uridine derivatives (lepidiumuridine B–K) were isolated from the seeds of Lepidium
apetalum Willd. Lepidiumuridine B–J were previously undescribed compounds, and were …

Predictable Valence Excited States of Anions

RC Fortenberry, WJ Morgan… - The Journal of Physical …, 2014 - ACS Publications
The excited states of the 1 1A′: C C–C̈–R–family and related anions are investigated.
Previous work has shown that 1 1A′ C3H–and CCSiH–each possess a rare valence …

Protective group-free synthesis of new chiral diamines via direct azidation of 1, 1-diaryl-2-aminoethanols

HN Roy, A Pitchaiah, M Kim, IT Hwang, KI Lee - RSC advances, 2013 - pubs.rsc.org
Protective group-free synthesis of new chiral diamines via direct azidation of 1,1-diaryl-2-aminoethanols
- RSC Advances (RSC Publishing) DOI:10.1039/C3RA23205K Royal Society of Chemistry …

Presolvated Low Energy Electron Attachment to Peptide Methyl Esters in Aqueous Solution: C–O Bond Cleavage at 77 K

J Kheir, L Chomicz, A Engle, J Rak… - The Journal of Physical …, 2013 - ACS Publications
In this study, the reactions of presolvated electrons with glycine methyl ester and N-
acetylalanylalanine methyl ester (N-aAAMe) are investigated by electron spin resonance …

Radicals Formed in N-Acetylproline by Electron Attachment: Electron Spin Resonance Spectroscopy and Computational Studies

JF Kheir, L Chomicz, J Rak, KH Bowen… - The Journal of …, 2011 - ACS Publications
In this study, the reactions of electrons with N-acetylproline are investigated by electron spin
resonance (ESR) spectroscopy and density functional theory. Electrons are produced by γ …

[图书][B] Infrared Spectroscopy of Gas Phase Ions: Using Infrared Multi-photon Spectroscopy to Investigate Ionization Sites and Hydrogen Bonding in Gaseous Ions.

JC Schmidt - 2013 - search.proquest.com
In this work a novel instrument was developed to obtain infrared multiphoton dissociation
(IRMPD) spectra of gas phase ions. This was done by coupling a tunable infrared laser with …