Javix Thomas
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View article: Rotational Spectroscopy of the Acetone‐Water Complex: Large Amplitude Motions
Rotational Spectroscopy of the Acetone‐Water Complex: Large Amplitude Motions Open
Acetone (CH 3 COCH 3 ), the simplest ketone, has recently attracted considerable attention for its important role in atmospheric chemistry and in the formation of ices in extraterrestrial sources that contain complex organic molecules. In …
View article: Cover Feature: Competition Between Intra‐ and Intermolecular Hydrogen Bonding: <i>o</i>‐Anisic Acid⋅⋅⋅Formic Acid Heterodimer (Chem. Eur. J. 53/2019)
Cover Feature: Competition Between Intra‐ and Intermolecular Hydrogen Bonding: <i>o</i>‐Anisic Acid⋅⋅⋅Formic Acid Heterodimer (Chem. Eur. J. 53/2019) Open
Four conformers of the heterodimer o-anisic acid–formic acid, formed in a supersonic expansion, have been probed by Fourier transform microwave spectroscopy. Two of these forms have the typical double intermolecular hydrogen bond cyclic st…
View article: Conformational Landscape of <i>m</i>-Anisic Acid and Its Complexes with Formic Acid
Conformational Landscape of <i>m</i>-Anisic Acid and Its Complexes with Formic Acid Open
Four conformers of m-anisic acid were observed in a supersonic expansion using Fourier transform microwave spectroscopy. These conformers correspond to different relative orientations of the acid and methoxy groups and have their planar sk…
View article: Competition Between Intra‐ and Intermolecular Hydrogen Bonding: <i>o</i>‐Anisic Acid⋅⋅⋅Formic Acid Heterodimer
Competition Between Intra‐ and Intermolecular Hydrogen Bonding: <i>o</i>‐Anisic Acid⋅⋅⋅Formic Acid Heterodimer Open
Four conformers of the heterodimer o ‐anisic acid–formic acid, formed in a supersonic expansion, have been probed by Fourier transform microwave spectroscopy. Two of these forms have the typical double intermolecular hydrogen‐bond cyclic s…
View article: Issue Information
Issue Information Open
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View article: A CONFORMATIONAL STUDY OF META-ANISIC ACID AND ITS COMPLEXES WITH FORMIC ACID BY MICROWAVE SPECTROSCOPY
A CONFORMATIONAL STUDY OF META-ANISIC ACID AND ITS COMPLEXES WITH FORMIC ACID BY MICROWAVE SPECTROSCOPY Open
We have found that the observed average structures of haloethylene-protic acid heterodimers result from an interplay between favorable electrostatic interactions and steric effects. For vinyl fluoride and 1,1-difluoroethylene complexes, st…
View article: Entropy fluctuation ordering mediate DNA unravelling - a surprising revelation from microfluidic cantilever dissipation dynamics
Entropy fluctuation ordering mediate DNA unravelling - a surprising revelation from microfluidic cantilever dissipation dynamics Open
A double-stranded DNA unravels thermally through intermediate denatured bubble segments. Intrinsically, fluctuations ensue at the bubble boundaries from non-equilibrium (NE) energy exchanges with the environment. However, such details gets…
View article: Nanomechanical resonance captures pre-melting transition in DNA unravelling
Nanomechanical resonance captures pre-melting transition in DNA unravelling Open
A double-stranded DNA unravels thermally through intermediate denatured bubble segments. Intrinsically, fluctuations ensue at the bubble boundaries from non-equilibrium (NE) energy exchanges with the environment. However, such details gets…
View article: A CHIRAL TAGGING STRATEGY FOR DETERMINING ABSOLUTE CONFIGURATION AND ENANTIOMERIC EXCESS BY MOLECULAR ROTATIONAL SPECTROSCOPY
A CHIRAL TAGGING STRATEGY FOR DETERMINING ABSOLUTE CONFIGURATION AND ENANTIOMERIC EXCESS BY MOLECULAR ROTATIONAL SPECTROSCOPY Open
The introduction of three wave mixing rotational spectroscopy by Patterson, Schnell, and Doyle [1,2] has expanded applications of molecular rotational spectroscopy into the field of chiral analysis. Chiral analysis of a molecule is the qua…
View article: CHARACTERIZATION OF INTERMOLECULAR INTERACTIONS AT PLAY IN THE 2,2,2-TRIFLUOROETHANOL TRIMERS USING CAVITY AND CHIRPED-PULSE MICROWAVE SPECTROSCOPY
CHARACTERIZATION OF INTERMOLECULAR INTERACTIONS AT PLAY IN THE 2,2,2-TRIFLUOROETHANOL TRIMERS USING CAVITY AND CHIRPED-PULSE MICROWAVE SPECTROSCOPY Open
2,2,2-trifluoroethanol (TFE) is a common aqueous co-solvent in biological chemistry which may induce or destabilize secondary structures of proteins and polypeptides, thanks to its diverse intermolecular linkages originating from the hydro…
View article: ROTATIONAL SPECTROSCOPY OF THE METHYL GLYCIDATE-WATER COMPLEX
ROTATIONAL SPECTROSCOPY OF THE METHYL GLYCIDATE-WATER COMPLEX Open
Many biologically important molecules are chiral and perform their biological functions in an aqueous medium. In this study, we investigate the intermolecular interactions of methyl glycidate, a chiral epoxy ester, with water using rotatio…
View article: VIBRATIONAL CIRCULAR DICHROISM SPECTRA OF METHYL GLYCIDATE IN CHLOROFORM AND WATER: APPLICATION OF THE CLUSTERS-IN-A-LIQUID MODEL
VIBRATIONAL CIRCULAR DICHROISM SPECTRA OF METHYL GLYCIDATE IN CHLOROFORM AND WATER: APPLICATION OF THE CLUSTERS-IN-A-LIQUID MODEL Open
Infrared and vibrational circular dichroism (VCD) spectra of methyl glycidate, a chiral epoxy ester, were measured in CCl$_{4}$ and water in the 1000 cm$^{-1}$ – 1800 cm$^{-1}$ region. The experimental VCD spectra of methyl glycidate in wa…
View article: A NEW 2.0-6.0 GHz CHIRPED PULSE FOURIER TRANSFORM MICROWAVE SPECTROMETER: INSTRUMENTAL ANALYSIS AND INITIAL MOLECULAR RESULTS
A NEW 2.0-6.0 GHz CHIRPED PULSE FOURIER TRANSFORM MICROWAVE SPECTROMETER: INSTRUMENTAL ANALYSIS AND INITIAL MOLECULAR RESULTS Open
Low frequency microwave spectroscopy ($<$ 10 GHz) is ideal for studies of large molecular systems including higher order molecular complexes. The cold rotational temperature of a pulsed jet makes detections in this region highly attractive…
View article: CONFORMATIONAL ANALYSIS OF 3,3,3-TRIFLUORO-2-(TRIFLUOROMETHYL)PROPANOIC ACID
CONFORMATIONAL ANALYSIS OF 3,3,3-TRIFLUORO-2-(TRIFLUOROMETHYL)PROPANOIC ACID Open
Partially fluorinated carboxylic acids exhibit rich conformational landscapes. We report the first high-resolution spectroscopic study of 3,3,3-trifluoro-2-(trifluoromethyl)propanoic acid. Its rotational spectrum was measured using both br…
View article: The Clusters-in-a-Liquid Approach for Solvation: New Insights from the Conformer Specific Gas Phase Spectroscopy and Vibrational Optical Activity Spectroscopy
The Clusters-in-a-Liquid Approach for Solvation: New Insights from the Conformer Specific Gas Phase Spectroscopy and Vibrational Optical Activity Spectroscopy Open
Vibrational optical activity spectroscopies, namely vibrational circular dichroism (VCD) and Raman optical activity (ROA), have been emerged in the past decade as powerful spectroscopic tools for stereochemical information of a wide range …