# Browse Abstracts & Presentations - 2021 International Symposium on Molecular Spectroscopy by Subject "Small molecules"

• (International Symposium on Molecular Spectroscopy, 2021-06-25)
A direct potential fit to Hund's case (a) potential curves for the low-lying supermultiplet' states (${X{}^2\Delta}$, ${{}^2\Pi}$, ${}^2\Sigma^{+}$) of NiH and to R-dependent spin-orbit and rotational coupling functions ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-25)
Vibrational levels of the A$^{2}\Sigma^{+}$ state of SH ({\it v}$^{\prime}$ = 0-7) and SD ({\it v}$^{\prime}$ = 0-8) radical are investigated via photodissociation using high-{\it n} Rydberg atom time-of-flight technique. ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-25)
A new electronic transition of PtF has been recorded at high resolution using Intracavity Laser Spectroscopy (ILS). The PtF molecules were produced in a current regulated RF discharge operating with 0.20-0.80 A applied to ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-25)
The visible electronic transitions of the simple asymmetric top molecules CaSH and CaNH2 have been extensively studied both field-free $\footnote{Z. Morbi, C. Zhao, J.W. Hepburn, and P.F. Bernath, J. Chem. Phys. 108, 8891 ... application/pdf PDF (35kB) • (International Symposium on Molecular Spectroscopy, 2021-06-25) Laser-induced plasma is widely used as an emission source for laboratory simulations of different objects. The properties of laser plasma vary significantly depending on the pressure and composition of the environment, as ... application/pdf PDF (1MB) • (International Symposium on Molecular Spectroscopy, 2021-06-25) A comparative experimental and theoretical EPR study of HCO and DCO radicals, stabilized in solid CO at the liquid helium temperatures, revealed the crucial role the radical inter- and intra-molecular motions play in the ... application/pdf PDF (819kB) • (International Symposium on Molecular Spectroscopy, 2021-06-25) Recent observations of a possible SH absorption feature in the atmosphere of a hot Jupiter exoplanet have sparked a renewed interest in the molecule's electronic spectroscopy, motivating the creation of a new line ... application/pdf PDF (477kB) • (International Symposium on Molecular Spectroscopy, 2021-06-25) In the vicinity of evolved stars cosmic dust forms via nucleation processes. Many of the initial steps of nucleation are not well understood but the investigation of small di- and triatomic molecules at radio or infrared ... application/pdf PDF (524kB) • (International Symposium on Molecular Spectroscopy, 2021-06-25) We report here on the high resolution ($\sim$30 MHz FWHM) laser induced fluorescence spectrum of an electronic transition of YbOH observed in the 18500 - 18600 \wn region. The YbOH was produced in a supercooled molecular ... application/pdf PDF (410kB) • (International Symposium on Molecular Spectroscopy, 2021-06-25) Ruthenium monoxide (RuO) molecules have been studied by laser-induced fluorescence in the UNB laser-ablation molecular-jet apparatus. Spectra with line widths of$\sim$115MHz have been obtained allowing the seven different ... application/pdf PDF (196kB) • (International Symposium on Molecular Spectroscopy, 2021-06-25) Chlorine nitrate (\chem{ClONO_2}) is a very important atmospheric "reservoir" of ClO and \chem{NO_2}, destroying stratospheric ozone through catalytic cycles\footnote{P. J. Crutzen, \textit{Quart. J. Royal Met. Soc.} ... application/pdf PDF (403kB) • (International Symposium on Molecular Spectroscopy, 2021-06-25) \begin{wrapfigure}{r}{0pt} \includegraphics[scale=0.2]{Trioxane.eps} \end{wrapfigure} Trioxane, (H$_2$CO)$_3$, is a symmetric top that belongs to the$C_{3v}$symmetry group. The molecule owns 20 fundamental modes that ... application/pdf PDF (789kB) • (International Symposium on Molecular Spectroscopy, 2021-06-25) We observed rotationally resolved excitation spectra of PbO for transitions from the X(0$^+$)$v''=0$vibronic ground state in a wavelength range of 400$-$450 nm. PbO molecules were produced by laser ablation in a cold ... application/pdf PDF (182kB) • (International Symposium on Molecular Spectroscopy, 2021-06-25) INO or Nitrosyl iodide is the simplest form among the family of INOx (x=1 to 3), which may be viewed as important temporary reservoir species for iodine and nitrogen oxides. Since the corresponding chlorine and bromine ... application/pdf PDF (96kB) • (International Symposium on Molecular Spectroscopy, 2021-06-25) Phosphorus belongs to the group of the so-called `main biogenic elements'', which includes the most abundant elements in living systems. Accordingly, when seeking to better understand the evolution of the universe -with ... application/pdf PDF (441kB) • (International Symposium on Molecular Spectroscopy, 2021-06-25) We have produced a new line list for SiO covering IR, visible and UV regions by extending the ExoMol EBJT line list for SiO to include the$A\,{}^{1}\Pi$and$E\,{}^{1}\Sigma^{+}$electronic states. The line list was ... application/pdf PDF (623kB) • (International Symposium on Molecular Spectroscopy, 2021-06-25) \begin{wrapfigure}{r}{0pt} \includegraphics[scale=0.25]{Fig_iso_RuO4.eps} \end{wrapfigure} ~ The study and analysis of heavy spherical-top molecules is often not straightforward. The presence of hot bands and of many ... application/pdf PDF (367kB) • application/pdf PDF (363kB) • (International Symposium on Molecular Spectroscopy, 2021-06-25) Using ILS-FTS, we have recorded the$\it{A}\Omega$=1 –$\it{X}\Omega$=0$^{+}\$ transition of diatomic PtS. Strong bands were observed at 15,520 and 15,910 \wn, which have been identified as the (0,0) and (1,0) ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-25)
Beryllium is known to be a challenging test for even high level \textit{ab initio} methods due to high electron correlation contributions. There is fundamental interest in understanding how well computational methods can ...

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