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

• (International Symposium on Molecular Spectroscopy, 2021-06-25)
A home-built helium nanodroplet isolation spectrometer has been utilized by undergraduate students in course-based experiments to investigate the rovibrational dynamics of small molecules. Helium nanodroplets are well known ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-25)
Students taking physical chemistry often find the thermodynamics section of the course confusing and even downright uninteresting. In part, this is due to the abstract nature of concepts, such as entropy and enthalpy, as ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-25)
We used two previously described [1,2] cavity ring-down spectroscopy systems to accurately measure line intensities in the following three $^{12}$C$^{16}$O$_{2}$ rovibrational bands near 1.6 $\mu$m: (30012) $\leftarrow$ ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-23)
High-resolution anion photoelectron spectra of cryogenically cooled Si$_3$C$^{-}$, Si$_2$C$^{-}_2$, and SiC$^{-}_3$ obtained using slow photoelectron velocity-map imaging (cryo-SEVI) are presented, providing insight into ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-24)
High-resolution anion photoelectron spectra of cryogenically cooled NdO$^-$ obtained using slow photoelectron velocity-map imaging (cryo-SEVI) are presented, providing insight into the vibronic structure of the corresponding ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-23)
High resolution coherent 2D and 3D spectroscopies are unusually powerful tools for overcoming problems of spectral congestion because they can 1) automatically sort peaks by rotational and vibrational quantum number, 2) ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-24)
A high-resolution cavity enhanced absorption spectroscopy (CEAS) technique is presented for infrared absorption studies at temperatures between 77K and 300 K. An optical cavity with a pathlength of several kilometers is ...

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• (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 ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-23)
Oxiranecarbonitrile (cyano-oxirane, c-C$_{2}$H$_{3}$OCN) is of interest as a possible chiral precursor molecule of evolution$\footnote{M. Bolli, R. Micura, A. Eschenmoser, \emph{Chem. Biol.}, \textbf{1997}, 4, 309 (and ... application/pdf PDF (408kB) • (International Symposium on Molecular Spectroscopy, 2021-06-24) One of the main objectives in the study of weakly bound complexes is to provide a quantitative description of the (ro)vibrational dynamics which can be dominated by nuclear quantum effects. For example, water and carbon ... application/pdf PDF (208kB) • (International Symposium on Molecular Spectroscopy, 2021-06-25) We report here on the high resolution ($\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$115MHz have been obtained allowing the seven different ... application/pdf PDF (196kB) • (International Symposium on Molecular Spectroscopy, 2021-06-22) Molecules with ultrafast dynamics inherently have broad spectral features and modeling ultrafast spectroscopy data is a complex art. The complexity is reduced in the gas phase, however most ultrafast spectroscopies are ... application/pdf PDF (228kB) • (International Symposium on Molecular Spectroscopy, 2021-06-23) S-type stars are characterized by the presence of ZrO electronic transitions. Analysis of several ZrO band systems has, to date, relied upon data collected using photographic plates and has escaped a more modern spectral ... application/pdf PDF (218kB) • (International Symposium on Molecular Spectroscopy, 2021-06-25) From an astrochemical point of view ketenimine (CH$_2$CNH) is a complex organic molecule (COM) and therefore likely to be a building block for biologically relevant molecules. Since it has been detected in the star-forming ... application/pdf PDF (382kB) • (International Symposium on Molecular Spectroscopy, 2021-06-22) There is an increasing demand for precise molecular spectroscopy, in particular in the mid-IR fingerprint window, whether it be for modelling our atmosphere, interpreting astrophysical spectra or testing fundamental ... application/pdf PDF (497kB) • (International Symposium on Molecular Spectroscopy, 2021-06-25) Chlorine nitrate (\chem{ClONO_2}) is a very important atmospheric "reservoir" of ClO and \chem{NO_2}, destroying stratospheric ozone through catalytic cycles\footnote{P. J. Crutzen, \textit{Quart. J. Royal Met. Soc.} ... application/pdf PDF (403kB) • (International Symposium on Molecular Spectroscopy, 2021-06-22) The electronic excited states of polycyclic aromatic hydrocarbons (PAHs) are especially interesting and high-resolution laser spectroscopy is very powerful to elucidate molecular structure and excited-state dynamics. We ... application/pdf PDF (280kB) • (International Symposium on Molecular Spectroscopy, 2021-06-22) We use Fourier transform spectrometers based on mid-infrared frequency combs to measure and analyze broadband spectra of molecules of environmental importance in the two water windows around 3.3$\mu$m and 7.8$\mu$m. Both ... application/pdf PDF (801kB) • (International Symposium on Molecular Spectroscopy, 2021-06-22) Applying various action spectroscopic techniques in a 4~K cryogenic ion trap instrument, protonated methanimine, CH$_2$NH$_2^+\$, has been investigated by high-resolution rovibrational and pure rotational spectroscopy for ...

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