Discovery of the interstellar chiral molecule propylene oxide (CH3CHCH2O)

BA McGuire, PB Carroll, RA Loomis, IA Finneran… - Science, 2016 - science.org
Life on Earth relies on chiral molecules—that is, species not superimposable on their mirror
images. This manifests itself in the selection of a single molecular handedness, or …

Analysis of isomeric mixtures by molecular rotational resonance spectroscopy

JL Neill, L Evangelisti, BH Pate - Analytical Science Advances, 2023 - Wiley Online Library
Recent developments in molecular rotational resonance (MRR) spectroscopy that have
enabled its use as an analytical technique for the precise determination of molecular …

[HTML][HTML] Perspective: The first ten years of broadband chirped pulse Fourier transform microwave spectroscopy

GB Park, RW Field - The Journal of chemical physics, 2016 - pubs.aip.org
Since its invention in 2006, the broadband chirped pulse Fourier transform spectrometer has
transformed the field of microwave spectroscopy. The technique enables the collection of …

Understanding (coupled) large amplitude motions: the interplay of microwave spectroscopy, spectral modeling, and quantum chemistry

HVL Nguyen, I Kleiner - Physical Sciences Reviews, 2022 - degruyter.com
A large variety of molecules contain large amplitude motions (LAMs), inter alia internal
rotation and inversion tunneling, resulting in tunneling splittings in their rotational spectrum …

Multiplexed sub-Doppler spectroscopy with an optical frequency comb

DA Long, AJ Fleisher, DF Plusquellic, JT Hodges - Physical Review A, 2016 - APS
An optical frequency comb generated with an electro-optic phase modulator and a chirped
radio-frequency waveform is used to perform pump-probe spectroscopy on the D 1 and D 2 …

Molecule identification with rotational spectroscopy and probabilistic deep learning

M McCarthy, KLK Lee - The Journal of Physical Chemistry A, 2020 - ACS Publications
A proof-of-concept framework for identifying molecules of unknown elemental composition
and structure using experimental rotational data and probabilistic deep learning is …

Electro-optic frequency combs generated via direct digital synthesis applied to sub-Doppler spectroscopy

DA Long, BJ Reschovsky - OSA continuum, 2019 - opg.optica.org
Direct digital synthesis in concert with an electro-optic phase modulator was employed to
generate optical frequency combs with tooth spacings as low as 100 Hz. These combs were …

Hydrogen bonding in the ethanol–water dimer

IA Finneran, PB Carroll, MA Allodi… - Physical Chemistry …, 2015 - pubs.rsc.org
We report the first rotational spectrum of the ground state of the isolated ethanol–water dimer
using chirped-pulse Fourier transform microwave spectroscopy between 8–18 GHz. With the …

A novel Ka-band chirped-pulse spectrometer used in the determination of pressure broadening coefficients of astrochemical molecules

TS Hearne, O Abdelkader Khedaoui… - The Journal of …, 2020 - pubs.aip.org
A novel chirped-pulse Fourier transform microwave (CP-FTMW) spectrometer has been
constructed to cover the Ka-band (26.5 GHz–40 GHz) for use in the CRESUCHIRP project …

Chirped pulse Fourier-transform microwave spectroscopy of alcohol and water tetramers

SE Dutton, EM Mastin, GA Blake - Physical Chemistry Chemical …, 2023 - pubs.rsc.org
In an effort to build towards quantitative models of alcohol: water microaggregation in liquid
mixtures, the present works characterizes the energy landscape and structures of pure …