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

• (International Symposium on Molecular Spectroscopy, 2021-06-24)
To date, many fundamental questions on the physico-chemical origin of the observed molecular complexity in space and its link to life on Earth still remain unanswered. Field work at large facilities such as free-electron ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-23)
With the detection of C$_{60}$, C$_{70}$ and C$_{60}^{+}$, the fullerenes constitute by far the largest molecular species individually identified in the interstellar medium (ISM). Proton affinities of C$_{60}$ and C$_{70}$ ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-24)
In order to unveil how chemistry complexity build up in space, Complex Organic Molecules (COMs) are receiving more and more attention from the astrochemical and astrobiological community. Nowadays, especially after the ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-23)
The millimeter spectrum of allylimine has been recorded between 80 and 300 GHz with a frequency-modulation absorption spectrometer. Two conformers, \textit{syn} and \textit{anti}, have been observed in the gas-phase products ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-23)
The rotational spectrum of the thiophene–water (thiophene–w) complex was studied for the first-time using Fourier transform microwave (FTMW) spectroscopy from 7 to 20 GHz. Supported by density functional theory (DFT) ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-23)
2,2,3,3,3-pentafluoropropanol (PFP) is an important solvent for organic syntheses. It is also considered to be a green-house gas pollutant because it is radiatively active in the mid-infrared region. Understanding properties ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-23)
1,1,1,3,3,3-hexafluoro-2-propanol (hexafluoroisopropanol, HFIP) is an important solvent widely used in organic syntheses and biomatter treatments and is also considered as a greenhouse gas pollutant. The rotational spectrum ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-23)
The monitoring of gas phase mononitrotoluenes is crucial for defence, civil security and environmental interests since they are used as taggant for TNT detection. Rotational spectra of the three isomers of nitrotoluene ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-24)
Cancer mortalities are common due to the lack of diagnostic at the early stages in many countries. Recent studies discovered that the heavy metals in the human colon could cause the colon cancer. The conventional cancer ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-23)
Vibrationally excited oxygen and nitrogen have been long recognized to be of critical importance in nonequilibrium high-enthalpy flows, primarily encountered behind hypersonic shock waves. To date, no direct experimental ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-25)
Laser desorption time-of-flight mass spectrometry (LD-ToF-MS) experiments on pressed-pellet samples of polycyclic aromatic hydrocarbons (PAHs) exhibit the formation of covalently-bonded dimers at masses (m/z) of 2M-2 and ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-24)
The chemi-ionization reactions of atomic lanthanides M + O $\rightarrow$ MO$^{+}$ + $\emph{e}$$^{-} are currently being investigated as a method to artificially increase the ion density in the ionosphere for uniform radio ... application/pdf PDF (243kB) • (International Symposium on Molecular Spectroscopy, 2021-06-24) The chemi-ionization reactions of atomic lanthanides M + O \rightarrow MO^{+} + \emph{e}$$^{-}$ are currently being investigated as a method to artificially increase the localized electron density in the ionosphere ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-23)
We computed an accurate line list, called \texttt{XABC}, for nitric oxide (NO) which covers its pure rotational, vibrational and rovibronic spectra belonging to the lowest four electronic states of NO, i.e. X\,$^2\Pi$, ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-23)
The ExoMol project (www.exomol.com) provides comprehensive line lists for the study of exoplanets and other hot bodies. As part of the ERC-funded ExoMolHD project these line lists are being refactored to facilitate their ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-22)
\begin{wrapfigure}{r}{0pt} \includegraphics[scale=0.52]{Hartmann_XiMult2_1m2xi_result_forISMS.eps} \end{wrapfigure} We present absorbance measurements of the full fundamental ro-vibrational band of nitric oxide in nitrogen ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-23)
Spectra of complex molecules are dense and complicated, especially if isotopologues, low-lying vibrationally excited states, hyperfine structure or other interactions are present. Analysis of these spectra can be difficult ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-22)
The Fourier transform microwave spectrum of 4-methylacetophenone recorded from 8 GHz to 18 GHz under jet-cooled conditions has revealed large tunneling splittings arising from a low barrier to internal rotation of the ring ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-25)
Greenhouse gases were monitored on an open-path over kilometer length with calibrated wavelength modulation spectroscopy (WMS). A movable platform was developed capable of detecting atmospheric variations of the concentrations ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-22)
In high angular momentum ($\ell \geq 3$) Rydberg states, the centrifugal barrier hinders close approach of the Rydberg electron to the ion-core. As a result, these core-nonpenetrating Rydberg states can be well described ...

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