Core-Level Spectroscopy of 2-Thiouracil at the Sulfur L<sub>1</sub>- and L<sub>2,3</sub>-Edges Utilizing a SASE Free-Electron Laser
In this paper, we report X-ray absorption and core-level electron spectra of the nucleobase derivative 2-thiouracil at the sulfur L<sub>1</sub>- and L<sub>2,3</sub>-edges. We used soft X-rays from the free-electron laser FLASH2 for the excitation of isolated molecules and dis...
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oai:doaj.org-article:6bb959ee681c45d8b4d1dd65dadf51c62021-11-11T18:28:34ZCore-Level Spectroscopy of 2-Thiouracil at the Sulfur L<sub>1</sub>- and L<sub>2,3</sub>-Edges Utilizing a SASE Free-Electron Laser10.3390/molecules262164691420-3049https://doaj.org/article/6bb959ee681c45d8b4d1dd65dadf51c62021-10-01T00:00:00Zhttps://www.mdpi.com/1420-3049/26/21/6469https://doaj.org/toc/1420-3049In this paper, we report X-ray absorption and core-level electron spectra of the nucleobase derivative 2-thiouracil at the sulfur L<sub>1</sub>- and L<sub>2,3</sub>-edges. We used soft X-rays from the free-electron laser FLASH2 for the excitation of isolated molecules and dispersed the outgoing electrons with a magnetic bottle spectrometer. We identified photoelectrons from the 2p core orbital, accompanied by an electron correlation satellite, as well as resonant and non-resonant Coster–Kronig and Auger–Meitner emission at the L<sub>1</sub>- and L<sub>2,3</sub>-edges, respectively. We used the electron yield to construct X-ray absorption spectra at the two edges. The experimental data obtained are put in the context of the literature currently available on sulfur core-level and 2-thiouracil spectroscopy.Fabiano LeverDennis MayerJan MetjeSkirmantas AlisauskasFrancesca CalegariStefan DüstererRaimund FeifelMario NiebuhrBastian ManschwetusMarion KuhlmannTommaso MazzaMatthew Scott RobinsonRichard J. SquibbAndrea TrabattoniMåns WallnerThomas J. A. WolfMarkus GührMDPI AGarticleX-rayphotoelectronsulfurthiouracilnucleobasesCoster–KronigOrganic chemistryQD241-441ENMolecules, Vol 26, Iss 6469, p 6469 (2021) |
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| topic |
X-ray photoelectron sulfur thiouracil nucleobases Coster–Kronig Organic chemistry QD241-441 |
| spellingShingle |
X-ray photoelectron sulfur thiouracil nucleobases Coster–Kronig Organic chemistry QD241-441 Fabiano Lever Dennis Mayer Jan Metje Skirmantas Alisauskas Francesca Calegari Stefan Düsterer Raimund Feifel Mario Niebuhr Bastian Manschwetus Marion Kuhlmann Tommaso Mazza Matthew Scott Robinson Richard J. Squibb Andrea Trabattoni Måns Wallner Thomas J. A. Wolf Markus Gühr Core-Level Spectroscopy of 2-Thiouracil at the Sulfur L<sub>1</sub>- and L<sub>2,3</sub>-Edges Utilizing a SASE Free-Electron Laser |
| description |
In this paper, we report X-ray absorption and core-level electron spectra of the nucleobase derivative 2-thiouracil at the sulfur L<sub>1</sub>- and L<sub>2,3</sub>-edges. We used soft X-rays from the free-electron laser FLASH2 for the excitation of isolated molecules and dispersed the outgoing electrons with a magnetic bottle spectrometer. We identified photoelectrons from the 2p core orbital, accompanied by an electron correlation satellite, as well as resonant and non-resonant Coster–Kronig and Auger–Meitner emission at the L<sub>1</sub>- and L<sub>2,3</sub>-edges, respectively. We used the electron yield to construct X-ray absorption spectra at the two edges. The experimental data obtained are put in the context of the literature currently available on sulfur core-level and 2-thiouracil spectroscopy. |
| format |
article |
| author |
Fabiano Lever Dennis Mayer Jan Metje Skirmantas Alisauskas Francesca Calegari Stefan Düsterer Raimund Feifel Mario Niebuhr Bastian Manschwetus Marion Kuhlmann Tommaso Mazza Matthew Scott Robinson Richard J. Squibb Andrea Trabattoni Måns Wallner Thomas J. A. Wolf Markus Gühr |
| author_facet |
Fabiano Lever Dennis Mayer Jan Metje Skirmantas Alisauskas Francesca Calegari Stefan Düsterer Raimund Feifel Mario Niebuhr Bastian Manschwetus Marion Kuhlmann Tommaso Mazza Matthew Scott Robinson Richard J. Squibb Andrea Trabattoni Måns Wallner Thomas J. A. Wolf Markus Gühr |
| author_sort |
Fabiano Lever |
| title |
Core-Level Spectroscopy of 2-Thiouracil at the Sulfur L<sub>1</sub>- and L<sub>2,3</sub>-Edges Utilizing a SASE Free-Electron Laser |
| title_short |
Core-Level Spectroscopy of 2-Thiouracil at the Sulfur L<sub>1</sub>- and L<sub>2,3</sub>-Edges Utilizing a SASE Free-Electron Laser |
| title_full |
Core-Level Spectroscopy of 2-Thiouracil at the Sulfur L<sub>1</sub>- and L<sub>2,3</sub>-Edges Utilizing a SASE Free-Electron Laser |
| title_fullStr |
Core-Level Spectroscopy of 2-Thiouracil at the Sulfur L<sub>1</sub>- and L<sub>2,3</sub>-Edges Utilizing a SASE Free-Electron Laser |
| title_full_unstemmed |
Core-Level Spectroscopy of 2-Thiouracil at the Sulfur L<sub>1</sub>- and L<sub>2,3</sub>-Edges Utilizing a SASE Free-Electron Laser |
| title_sort |
core-level spectroscopy of 2-thiouracil at the sulfur l<sub>1</sub>- and l<sub>2,3</sub>-edges utilizing a sase free-electron laser |
| publisher |
MDPI AG |
| publishDate |
2021 |
| url |
https://doaj.org/article/6bb959ee681c45d8b4d1dd65dadf51c6 |
| work_keys_str_mv |
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