# Browse Abstracts & Presentations - 2021 International Symposium on Molecular Spectroscopy by Title

• (International Symposium on Molecular Spectroscopy, 2021-06-24)
We describe a laser spectroscopic study of ytterbium monomethoxide, a species of interest to search for time-reversal symmetry violation using laser-cooled molecules. We have performed measurements of vibrational structure ...

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• (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, 2021-06-23)
\begin{wrapfigure}{r}{0pt} \includegraphics[scale=0.4]{2-naphthalenethiol.eps} \end{wrapfigure} Following previous studies of gas-phase dimerization of sulfur-bearing aromatic thiols, like thiophenol\footnote{R.T. Saragi, ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-24)
The existence of negative molecular ions in space has been known for over a decade. Despite the determinations of anion abundances within various regions of the interstellar medium, questions remain as to how these weakly ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-25)
The cyclohexadienyl radical (\chem{C_6H_7}) was observed in a low temperature argon matrix with matrix isolation infrared spectroscopy. The \chem{C_6H_7} radical was produced from the reaction of H atoms with benzene ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-23)
The CPUF (Chirped Pulse in Uniform Flow) technique has been used previously in pulsed CRESU (Reaction Kinetics in Uniform Supersonic Flow) conditions to observe chemical reactions at low temperatures. We have adapted the ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-25)
For the past three years, the Department of Chemistry and Biochemistry at the University of Northern Iowa has been leading undergraduate students on spectroscopic expeditions into the depths of Wind Cave National Park in ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-24)
Known for their stable structural and thermal properties, diamondoids and their radical cations are viable candidates as carriers for diffuse interstellar bands.$^{1}$ While previous diamondoid research has mainly focused ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-24)
Photoinjection studies of two wide bandgap semiconductors, 4H-SiC and GaN, are conducted with fs infrared reflectivity measurements in order to characterize how the relative penetration depths of UV-pump/IR-probe light ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-22)
Optically-pumped molecular THz lasers are powerful and versatile sources. We have demonstrated a continuous wave molecular laser emission based on ammonia (\ce{NH3}) optically pumped by a quantum cascade laser at about 1 ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-24)
We report a spectrometer employing optically-switched dual-wavelength cavity ring-down spectroscopy (OSDW-CRDS) for high-precision measurements of methane isotopic ratios. A wave-guide optical switch rapidly alternated ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-25)
The rotational spectrum of oxazole (\textit{c}-\chem{C_3H_3NO}, C$_{s}$), an astrochemically relevant aromatic heterocycle, has been studied from 40 GHz to 360 GHz. Transitions of the ground vibrational state of the main ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-23)
\begin{wrapfigure}{|}{0pt} \includegraphics[scale=0.3]{Fig.eps} \end{wrapfigure} Pnicogen bonding emerged as an important interaction as ubiquitous hydrogen bonding, the study of interactions of simple molecular model ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-21)
It is well known among spectroscopists that hydrogen has two modifications: para-H$_2$ and ortho-H$_2$. Pure para-H$_2$ can be produced by leading normal'' H$_2$, a 3:1 ortho:para mixture, over a catalyst at low temperature. ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-23)
Molecular bending spectra can be broadly categorized into three physical cases, depending on the molecular equilibrium configuration: linear, bent, and nonrigid. We have studied the three cases in detail with an extended ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-22)
The electronic structure of CaO is complex due to the large number of low-lying energy states and a multitude of rovibronic interactions among them. Several vibrionic bands of the $A’^{1}\Pi-X^{1}\Sigma^{+}$ CaO have been ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-24)
In the last year, a paper was published by our group describing a multi-antenna detection, chirped-pulse Fourier transform microwave (MAD-CP-FTMW) spectrometer. A talk will also be given at this conference regarding this ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-24)
Iodine oxides (I$_{x}$O$_{y}$) are atmospherically important due to their high reactivity with ozone. The I$^{-}$ anion has been detected in the atmosphere, along with IO$_{2}$$^{-} and IO_{3}$$^{-}$ however, IO$^{-}$ ...

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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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• (International Symposium on Molecular Spectroscopy, 2021-06-25)
Charge-transfer processes, particularly in hydrated iodide and salt clusters, depend sensitively on the chemical environment and number of water molecules solvated around the iodide ion. Studying such charge-transfer ...

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