Articles with "rotational constants" as a keyword



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Rotational characterization of methyl methacrylate: Internal dynamics and structure determination

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Published in 2018 at "Journal of Molecular Spectroscopy"

DOI: 10.1016/j.jms.2017.10.006

Abstract: Abstract Rotational constants, Watson’s S centrifugal distortion coefficients, and internal rotation parameters of the two most stable conformers of methyl methacrylate were retrieved from the microwave spectrum. Splittings of rotational energy levels were caused by… read more here.

Keywords: methyl; methacrylate internal; characterization methyl; methyl methacrylate ... See more keywords
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Microwave Spectra and Theoretical Calculations for Two Structural Isomers of Methylmanganese Pentacarbonyl.

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Published in 2020 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.0c00524

Abstract: The first microwave rotational spectra for two structural isomers of methylmanganese pentacarbonyl were measured in the 4-9 GHz range using a pulsed-beam Fourier transform microwave spectrometer. The spectra for the two isomers, a symmetric-top structure… read more here.

Keywords: two structural; isomers methylmanganese; mhz; structural isomers ... See more keywords
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Isotope shifts and band progressions in SO2 rovibrational energy levels: using quantum theory to extract rotational constants

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Published in 2019 at "Molecular Physics"

DOI: 10.1080/00268976.2019.1567850

Abstract: ABSTRACT We report the isotope shifts of the rotational constants and vibrational band progressions of the sulfur dioxide molecule (SO), for all four stable sulfur isotopes32S,33S,34S, and36S. These are extracted from exact quantum theoretical calculations… read more here.

Keywords: band progressions; isotope shifts; rovibrational energy; rotational constants ... See more keywords