Rapid Communications in Mass Spectrometry, volume 28, issue 14, pages 1580-1590

Electron attachment to some naphthoquinone derivatives: long-lived molecular anion formation

Vorob’ev A. S. 1
Nafikova E.P. 1
Elkin Y N 4
Pelageev D N 4
Koltsova E A 4
Modelli A. 5, 6
Publication typeJournal Article
Publication date2014-05-29
Quartile SCImago
Q3
Quartile WOS
Q3
Impact factor2
ISSN09514198, 10970231
Organic Chemistry
Spectroscopy
Analytical Chemistry
Abstract
Electron Affinity (EA) is one of the fundamental properties of a molecule. EA values can be measured with various experimental methods, although their availability is still relatively limited. We make an attempt to use Dissociative Electron Attachment Spectroscopy (DEAS) data for evaluation of the EAs of twelve naphthoquinone (NQ) derivatives.Naphthoquinone (NQ) and eleven of its hydroxyl derivatives were investigated by means of DEAS. A combined investigation of NQ and juglone by means of the Electron Transmission Spectroscopy (ETS) and DEAS techniques, with the support of density functional theory (DFT) calculations, allowed us to elucidate the empty-level structures of NQ and its hydroxyl derivatives.All molecules under investigation form extremely long-lived molecular anions associated with three resonant states (except for NQ, where only two long-lived resonances were observed). The hydroxyl substituents of NQ cause an increase in EA and number of internal degrees of freedom (N), and, as a result, an increase in the mean electron autodetachment lifetimes of the molecular negative ions (NIs). Evaluation of the EAs from the measured lifetimes of the molecular NIs through a simple Arrhenius approximation gives results in reasonable agreement with those obtained with DFT calculations.NI lifetime measurements by means of a modified DEAS instrumentation can provide quantitative data of EA. A simple Arrhenius approximation seems to be adequate to describe the process of electron detachment from molecular anions.

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Asfandiarov N. L. et al. Electron attachment to some naphthoquinone derivatives: long-lived molecular anion formation // Rapid Communications in Mass Spectrometry. 2014. Vol. 28. No. 14. pp. 1580-1590.
GOST all authors (up to 50) Copy
Asfandiarov N. L., Pshenichnyuk S. A., Vorob’ev A. S., Nafikova E., Elkin Y. N., Pelageev D. N., Koltsova E. A., Modelli A. Electron attachment to some naphthoquinone derivatives: long-lived molecular anion formation // Rapid Communications in Mass Spectrometry. 2014. Vol. 28. No. 14. pp. 1580-1590.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1002/rcm.6934
UR - https://doi.org/10.1002%2Frcm.6934
TI - Electron attachment to some naphthoquinone derivatives: long-lived molecular anion formation
T2 - Rapid Communications in Mass Spectrometry
AU - Asfandiarov, Nail' L.
AU - Pshenichnyuk, Stanislav A.
AU - Vorob’ev, A. S.
AU - Nafikova, E.P.
AU - Elkin, Y N
AU - Pelageev, D N
AU - Koltsova, E A
AU - Modelli, A.
PY - 2014
DA - 2014/05/29 00:00:00
PB - Wiley
SP - 1580-1590
IS - 14
VL - 28
SN - 0951-4198
SN - 1097-0231
ER -
BibTex |
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@article{2014_Asfandiarov,
author = {Nail' L. Asfandiarov and Stanislav A. Pshenichnyuk and A. S. Vorob’ev and E.P. Nafikova and Y N Elkin and D N Pelageev and E A Koltsova and A. Modelli},
title = {Electron attachment to some naphthoquinone derivatives: long-lived molecular anion formation},
journal = {Rapid Communications in Mass Spectrometry},
year = {2014},
volume = {28},
publisher = {Wiley},
month = {may},
url = {https://doi.org/10.1002%2Frcm.6934},
number = {14},
pages = {1580--1590},
doi = {10.1002/rcm.6934}
}
MLA
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Asfandiarov, Nail' L., et al. “Electron attachment to some naphthoquinone derivatives: long-lived molecular anion formation.” Rapid Communications in Mass Spectrometry, vol. 28, no. 14, May. 2014, pp. 1580-1590. https://doi.org/10.1002%2Frcm.6934.
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