A CHIRP PULSE FOURIER TRANSFORM MICROWAVE SPECTROMETER WITH MULTI-ANTENNA DETECTION (MAD-CP-FTMW)

Fourier transform spectra of the ν2 band of PH3 have been remeasured with 0.0045 cm-1 resolution. Ground state combination differences from these data have been fitted simultaneously with the microwave and submillimeterwave data to determine the ground state spectroscopical parameters of PH3 including the parameters of the Δk = ± 3n interactions. The correlation between the latter parameters has been discussed from the point of view of the existence of two equivalent effective rotational operators which are related by a unitary transformation. The ΔJ = 0, +1, ΔK = 0 (A1 ↔ A2, E ↔ E) rotational transitions in the ν2 and ν4 states have been measured for the first time by using a microwave spectrometer and a radiofrequency spectrometer with acoustic detection.

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A rotational spectroscopic and ab initio study of cis and trans (-)-carveol: Further insights into conformational dynamics in monoterpenes and monoterpenoids

Physical Chemistry Chemical Physics ◽

10.1039/d1cp02101j ◽

2021 ◽

Author(s):

Arsh Singh Hazrah ◽

Mohamad al-Jabiri ◽

Raiden Speelman ◽

Wolfgang Jaeger

Keyword(s):

Fourier Transform ◽

Ab Initio ◽

Conformational Dynamics ◽

Ab Initio Study ◽

Chirped Pulse ◽

Rotational Spectra ◽

Microwave Spectrometer ◽

Cis And Trans

Broadband rotational spectra of cis- and trans- (-) carveol were recorded using a chirped pulse Fourier transform microwave spectrometer in the 2-6 GHz region. To aid in spectroscopic assignments a...

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A 6-18 GHZ DIRECT DIGITAL SYNTHESIS TUNABLE SEGMENTED CHIRPED PULSE FOURIER TRANSFORM MICROWAVE SPECTROMETER

Proceedings of the 73rd International Symposium on Molecular Spectroscopy ◽

10.15278/isms.2018.ti12 ◽

2018 ◽

Author(s):

Haley Scolati ◽

Kyle Crabtree ◽

Anna Pischer ◽

Sommer Johansen

Keyword(s):

Fourier Transform ◽

Direct Digital Synthesis ◽

Chirped Pulse ◽

Microwave Spectrometer ◽

Digital Synthesis

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Observation of Carbonyl Fluoride, Ketene, Acetic Acid and Fluorocarbene Produced by an Electric Discharge within a Nozzle by Molecular Beam Fourier Transform Microwave Spectroscopy. A Reaction via a Cycloaddition for Carbonyl Fluoride and Keten?

Zeitschrift für Naturforschung A ◽

10.1515/zna-2000-0805 ◽

2000 ◽

Vol 55 (8) ◽

pp. 695-705 ◽

Cited By ~ 6

Author(s):

D. H. Sutter ◽

H. Dreizler

Keyword(s):

Carbon Dioxide ◽

Acetic Acid ◽

Fourier Transform ◽

Molecular Beam ◽

Reaction Path ◽

Microwave Spectroscopy ◽

Electrical Discharges ◽

Microwave Spectrometer ◽

Precursor Molecules ◽

Carbonyl Fluoride

Abstract A molecular beam Fourier transform microwave spectrometer, designed for the study of chemical reactions within electrical discharges, is described in detail. Applications include the production of carbonyl fluoride, ketene, acetic acid, and difluorocarbene. For the production of carbonyl fluoride and ketene with 1,1-difluoroethylene and carbon dioxide as precursor molecules a reaction path via a 2+2 cycloaddition is proposed.

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